COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: Deep Global VLBI Observations of the Hubble Deep Field Exp. Code: GG053C Schedule Version: 1.00 Processed by SCHED version: Release of 18 Sept. 2003 PI: Mike Garrett Address: JIVE Postbus 2 7990 AA Dwingeloo Netherlands Phone: +31 521 596511 EMAIL: garrett@jive.nfra.nl Fax: +31 521 596539 Phone during observation: +31 528 220842 Observing mode: 128-4-2 Dual Pol, 2-bit sampling, 21cm Notes: Please Note... Phase-referencing expt, Observing frequency is ** 21CM band ** Request only 1 SINGLE WSRT Antenna pleeeeeease Switch the phase-cal OFF during observations please Schedule for VLBA_HN (Code Hn ) Page 2 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 22 Feb 2004 Day 53 --- Next scan frequencies: 1408.49 1408.49 1416.49 1416.49 Next BBC frequencies: 991.51 991.51 983.51 983.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 23 10 00 J1241+602 04 30 52 23.3 27.0 -8.2 -42.1 0 1 1 0 23 10 00 23 11 30 --- 04 32 22 23.4 27.1 -8.2 -42.4 90 F 1 600 23 11 30 J1234+619 04 32 22 25.2 26.6 -8.0 -44.2 -10 1 1 600 23 11 30 23 14 10 --- 04 35 03 25.5 26.9 -8.0 -44.7 150 F 1 1667 23 14 10 HDF 04 35 03 25.4 26.4 -8.0 -44.3 -6 1 1 1667 23 14 10 23 19 30 --- 04 40 24 25.9 26.9 -7.9 -45.3 314 F 1 3800 23 19 30 J1234+619 04 40 24 25.9 27.3 -7.9 -45.7 -6 1 1 3800 23 19 30 23 22 10 --- 04 43 04 26.1 27.6 -7.9 -46.1 154 F 1 4867 23 22 10 HDF 04 43 04 26.1 27.2 -7.9 -45.8 -6 1 1 4867 23 22 10 23 27 30 --- 04 48 25 26.5 27.6 -7.8 -46.7 314 F 1 7000 23 27 30 J1234+619 04 48 25 26.6 28.1 -7.8 -47.1 -6 1 1 7000 23 27 30 23 30 10 --- 04 51 05 26.8 28.3 -7.7 -47.6 154 F 1 8067 23 30 10 HDF 04 51 05 26.8 27.9 -7.8 -47.2 -6 1 1 8067 23 30 10 23 35 30 --- 04 56 26 27.2 28.4 -7.7 -48.2 314 F 1 10200 23 35 30 J1234+619 04 56 26 27.3 28.8 -7.6 -48.6 -6 1 1 10200 23 35 30 23 38 10 --- 04 59 07 27.5 29.0 -7.6 -49.0 154 F 1 11267 23 38 10 HDF 04 59 07 27.5 28.6 -7.6 -48.7 -6 1 1 11267 23 38 10 23 43 30 --- 05 04 28 27.9 29.0 -7.5 -49.7 314 F 1 13400 23 43 30 J1234+619 05 04 28 28.0 29.5 -7.5 -50.0 -6 1 1 13400 23 43 30 23 46 10 --- 05 07 08 28.2 29.7 -7.5 -50.5 154 F 1 14467 23 46 10 HDF 05 07 08 28.2 29.3 -7.5 -50.1 -6 1 1 14467 23 46 10 23 51 30 --- 05 12 29 28.7 29.7 -7.4 -51.1 314 F 1 16600 23 51 30 J1234+619 05 12 29 28.7 30.2 -7.4 -51.5 -6 1 1 16600 23 51 30 23 54 00 --- 05 14 59 29.0 30.4 -7.3 -51.9 144 F 1 17600 23 56 00 J1241+602 05 17 00 27.4 31.3 -7.4 -50.3 111 1 2 17600 23 56 00 23 57 30 --- 05 18 30 27.6 31.5 -7.4 -50.5 90 R 1 17000 Schedule for VLBA_HN (Code Hn ) Page 3 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Start: Sun 22 Feb 2004 Day 53 -- Stop: Mon 23 Feb 2004 Day 54 --- 23 57 30 J1234+619 05 18 30 29.3 30.7 -7.3 -52.5 -9 1 2 17000 23 57 30 00 00 10 --- 05 21 10 29.5 30.9 -7.2 -53.0 151 R 1 15933 00 00 10 HDF 05 21 10 29.5 30.4 -7.3 -52.7 -6 1 2 15933 00 00 10 00 05 30 --- 05 26 31 30.0 30.9 -7.2 -53.7 314 R 1 13800 00 05 30 J1234+619 05 26 31 30.0 31.3 -7.1 -54.0 -6 1 2 13800 00 05 30 00 08 10 --- 05 29 12 30.3 31.5 -7.1 -54.5 154 R 1 12733 00 08 10 HDF 05 29 12 30.2 31.1 -7.1 -54.1 -6 1 2 12733 00 08 10 00 13 30 --- 05 34 33 30.7 31.5 -7.0 -55.1 314 R 1 10600 00 13 30 J1234+619 05 34 33 30.8 31.9 -7.0 -55.4 -6 1 2 10600 00 13 30 00 16 10 --- 05 37 13 31.1 32.1 -7.0 -55.9 154 R 1 9533 00 16 10 HDF 05 37 13 31.0 31.7 -7.0 -55.6 -6 1 2 9533 00 16 10 00 21 30 --- 05 42 34 31.5 32.1 -6.9 -56.6 314 R 1 7400 00 21 30 J1234+619 05 42 34 31.6 32.5 -6.9 -56.9 -6 1 2 7400 00 21 30 00 24 10 --- 05 45 14 31.9 32.7 -6.8 -57.4 154 R 1 6333 00 24 10 HDF 05 45 14 31.7 32.3 -6.9 -57.1 -6 1 2 6333 00 24 10 00 29 30 --- 05 50 35 32.3 32.7 -6.8 -58.0 314 R 1 4200 00 29 30 J1234+619 05 50 35 32.4 33.1 -6.7 -58.3 -6 1 2 4200 00 29 30 00 32 10 --- 05 53 16 32.7 33.3 -6.7 -58.8 154 R 1 3133 00 32 10 HDF 05 53 16 32.5 32.9 -6.7 -58.5 -6 1 2 3133 00 32 10 00 37 30 --- 05 58 36 33.1 33.3 -6.6 -59.5 314 R 1 1000 00 37 30 J1234+619 05 58 36 33.2 33.7 -6.6 -59.8 -6 1 2 1000 00 37 30 00 40 00 --- 06 01 07 33.5 33.9 -6.6 -60.3 144 R 1 0 00 42 00 J1241+602 06 03 07 32.1 35.2 -6.6 -58.4 111 1 3 0 00 42 00 00 43 30 --- 06 04 37 32.2 35.3 -6.6 -58.7 90 F 1 600 00 43 30 J1234+619 06 04 37 33.8 34.1 -6.5 -60.9 -9 1 3 600 00 43 30 00 46 10 --- 06 07 18 34.1 34.3 -6.5 -61.4 151 F 1 1667 00 46 10 HDF 06 07 18 34.0 33.9 -6.5 -61.1 -6 1 3 1667 00 46 10 00 51 30 --- 06 12 39 34.5 34.2 -6.4 -62.1 314 F 1 3800 00 51 30 J1234+619 06 12 39 34.6 34.7 -6.4 -62.4 -6 1 3 3800 00 51 30 00 54 10 --- 06 15 19 34.9 34.9 -6.3 -62.9 154 F 1 4867 Schedule for VLBA_HN (Code Hn ) Page 4 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 00 54 10 HDF 06 15 19 34.8 34.4 -6.4 -62.5 -6 1 3 4867 00 54 10 00 59 30 --- 06 20 40 35.3 34.8 -6.3 -63.5 314 F 1 7000 00 59 30 J1234+619 06 20 40 35.5 35.2 -6.2 -63.8 -6 1 3 7000 00 59 30 01 02 10 --- 06 23 21 35.8 35.4 -6.2 -64.3 154 F 1 8067 01 02 10 HDF 06 23 21 35.6 34.9 -6.2 -64.0 -6 1 3 8067 01 02 10 01 07 30 --- 06 28 41 36.2 35.3 -6.1 -65.0 314 F 1 10200 01 07 30 J1234+619 06 28 41 36.3 35.7 -6.1 -65.3 -6 1 3 10200 01 07 30 01 10 10 --- 06 31 22 36.6 35.9 -6.1 -65.8 154 F 1 11267 01 10 10 HDF 06 31 22 36.5 35.4 -6.1 -65.5 -6 1 3 11267 01 10 10 01 15 30 --- 06 36 43 37.0 35.7 -6.0 -66.5 314 F 1 13400 01 15 30 J1234+619 06 36 43 37.2 36.2 -6.0 -66.8 -6 1 3 13400 01 15 30 01 18 10 --- 06 39 23 37.5 36.3 -5.9 -67.3 154 F 1 14467 01 18 10 HDF 06 39 23 37.3 35.9 -6.0 -67.0 -6 1 3 14467 01 18 10 01 23 30 --- 06 44 44 37.9 36.2 -5.9 -68.0 314 F 1 16600 01 23 30 J1234+619 06 44 44 38.1 36.6 -5.8 -68.3 -6 1 3 16600 01 23 30 01 26 00 --- 06 47 14 38.3 36.8 -5.8 -68.8 144 F 1 17600 01 28 00 J1241+602 06 49 15 37.1 38.4 -5.9 -66.6 112 1 4 17600 01 28 00 01 29 30 --- 06 50 45 37.3 38.5 -5.8 -66.9 90 R 1 17000 01 29 30 J1234+619 06 50 45 38.7 37.0 -5.7 -69.4 -9 1 4 17000 01 29 30 01 32 10 --- 06 53 25 39.0 37.1 -5.7 -69.9 151 R 1 15933 01 32 10 HDF 06 53 25 38.8 36.7 -5.7 -69.6 -6 1 4 15933 01 32 10 01 37 30 --- 06 58 46 39.4 36.9 -5.6 -70.6 314 R 1 13800 01 37 30 J1234+619 06 58 46 39.6 37.4 -5.6 -70.9 -6 1 4 13800 01 37 30 01 40 10 --- 07 01 27 39.9 37.5 -5.5 -71.4 154 R 1 12733 01 40 10 HDF 07 01 27 39.7 37.1 -5.6 -71.1 -6 1 4 12733 01 40 10 01 45 30 --- 07 06 48 40.3 37.3 -5.5 -72.2 314 R 1 10600 01 45 30 J1234+619 07 06 48 40.5 37.8 -5.5 -72.4 -6 1 4 10600 01 45 30 01 48 10 --- 07 09 28 40.8 37.9 -5.4 -73.0 154 R 1 9533 01 48 10 HDF 07 09 28 40.6 37.5 -5.5 -72.7 -6 1 4 9533 01 48 10 01 53 30 --- 07 14 49 41.2 37.7 -5.4 -73.7 314 R 1 7400 Schedule for VLBA_HN (Code Hn ) Page 5 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 01 53 30 J1234+619 07 14 49 41.4 38.1 -5.3 -74.0 -6 1 4 7400 01 53 30 01 56 10 --- 07 17 29 41.7 38.2 -5.3 -74.5 154 R 1 6333 01 56 10 HDF 07 17 29 41.5 37.8 -5.3 -74.2 -6 1 4 6333 01 56 10 02 01 30 --- 07 22 50 42.1 38.0 -5.2 -75.3 314 R 1 4200 02 01 30 J1234+619 07 22 50 42.3 38.5 -5.2 -75.5 -6 1 4 4200 02 01 30 02 04 10 --- 07 25 31 42.6 38.6 -5.1 -76.0 154 R 1 3133 02 04 10 HDF 07 25 31 42.4 38.1 -5.2 -75.8 -6 1 4 3133 02 04 10 02 09 30 --- 07 30 52 43.0 38.3 -5.1 -76.8 314 R 1 1000 02 09 30 J1234+619 07 30 52 43.2 38.8 -5.1 -77.1 -6 1 4 1000 02 09 30 02 12 00 --- 07 33 22 43.5 38.8 -5.0 -77.6 144 R 1 0 02 14 00 J1241+602 07 35 22 42.5 40.8 -5.1 -75.1 112 1 5 0 02 14 00 02 15 30 --- 07 36 53 42.7 40.9 -5.1 -75.4 90 F 1 600 02 15 30 J1234+619 07 36 53 43.9 39.0 -5.0 -78.3 -8 1 5 600 02 15 30 02 18 10 --- 07 39 33 44.2 39.1 -4.9 -78.8 152 F 1 1667 02 18 10 HDF 07 39 33 44.0 38.6 -5.0 -78.5 -6 1 5 1667 02 18 10 02 23 30 --- 07 44 54 44.6 38.8 -4.9 -79.6 314 F 1 3800 02 23 30 J1234+619 07 44 54 44.9 39.2 -4.8 -79.9 -6 1 5 3800 02 23 30 02 26 10 --- 07 47 34 45.2 39.3 -4.8 -80.4 154 F 1 4867 02 26 10 HDF 07 47 34 44.9 38.9 -4.8 -80.1 -6 1 5 4867 02 26 10 02 31 30 --- 07 52 55 45.5 39.0 -4.7 -81.2 314 F 1 7000 02 31 30 J1234+619 07 52 55 45.8 39.4 -4.7 -81.5 -6 1 5 7000 02 31 30 02 34 10 --- 07 55 36 46.1 39.5 -4.6 -82.0 154 F 1 8067 02 34 10 HDF 07 55 36 45.8 39.1 -4.7 -81.8 -6 1 5 8067 02 34 10 02 39 30 --- 08 00 57 46.5 39.2 -4.6 -82.9 314 F 1 10200 02 39 30 J1234+619 08 00 57 46.7 39.6 -4.6 -83.1 -6 1 5 10200 02 39 30 02 42 10 --- 08 03 37 47.0 39.7 -4.5 -83.7 154 F 1 11267 02 42 10 HDF 08 03 37 46.8 39.3 -4.6 -83.4 -6 1 5 11267 02 42 10 02 47 30 --- 08 08 58 47.4 39.4 -4.5 -84.5 314 F 1 13400 02 47 30 J1234+619 08 08 58 47.7 39.8 -4.4 -84.8 -6 1 5 13400 02 47 30 02 50 10 --- 08 11 38 48.0 39.8 -4.4 -85.3 154 F 1 14467 Schedule for VLBA_HN (Code Hn ) Page 6 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 02 50 10 HDF 08 11 38 47.7 39.4 -4.4 -85.1 -6 1 5 14467 02 50 10 02 55 30 --- 08 16 59 48.3 39.5 -4.3 -86.2 314 F 1 16600 02 55 30 J1234+619 08 16 59 48.6 39.9 -4.3 -86.5 -6 1 5 16600 02 55 30 02 58 00 --- 08 19 30 48.9 39.9 -4.2 -87.0 144 F 1 17600 03 00 00 J1241+602 08 21 30 48.1 42.3 -4.3 -84.1 112 1 6 17600 03 00 00 03 01 30 --- 08 23 00 48.3 42.3 -4.3 -84.4 90 R 1 17000 03 01 30 J1234+619 08 23 00 49.3 39.9 -4.2 -87.8 -8 1 6 17000 03 01 30 03 04 10 --- 08 25 41 49.6 39.9 -4.1 -88.3 152 R 1 15933 03 04 10 HDF 08 25 41 49.3 39.5 -4.2 -88.1 -6 1 6 15933 03 04 10 03 09 30 --- 08 31 01 50.0 39.6 -4.1 -89.3 314 R 1 13800 03 09 30 J1234+619 08 31 01 50.3 40.0 -4.1 -89.5 -6 1 6 13800 03 09 30 03 12 10 --- 08 33 42 50.6 40.0 -4.0 -90.1 154 R 1 12733 03 12 10 HDF 08 33 42 50.3 39.6 -4.1 -89.8 -6 1 6 12733 03 12 10 03 17 30 --- 08 39 03 50.9 39.6 -4.0 -91.0 314 R 1 10600 03 17 30 J1234+619 08 39 03 51.2 40.0 -3.9 -91.3 -6 1 6 10600 03 17 30 03 20 10 --- 08 41 43 51.5 39.9 -3.9 -91.9 154 R 1 9533 03 20 10 HDF 08 41 43 51.2 39.6 -3.9 -91.6 -6 1 6 9533 03 20 10 03 25 30 --- 08 47 04 51.8 39.5 -3.8 -92.8 314 R 1 7400 03 25 30 J1234+619 08 47 04 52.1 39.9 -3.8 -93.1 -6 1 6 7400 03 25 30 03 28 10 --- 08 49 45 52.4 39.9 -3.7 -93.7 154 R 1 6333 03 28 10 HDF 08 49 45 52.1 39.5 -3.8 -93.5 -6 1 6 6333 03 28 10 03 33 30 --- 08 55 05 52.8 39.4 -3.7 -94.7 314 R 1 4200 03 33 30 J1234+619 08 55 05 53.1 39.8 -3.7 -95.0 -6 1 6 4200 03 33 30 03 36 10 --- 08 57 46 53.4 39.7 -3.6 -95.6 154 R 1 3133 03 36 10 HDF 08 57 46 53.1 39.4 -3.7 -95.3 -6 1 6 3133 03 36 10 03 41 30 --- 09 03 07 53.7 39.3 -3.6 -96.6 314 R 1 1000 03 41 30 J1234+619 09 03 07 54.0 39.6 -3.5 -96.9 -6 1 6 1000 03 41 30 03 44 00 --- 09 05 37 54.3 39.6 -3.5 -97.5 144 R 1 0 03 46 00 J1241+602 09 07 37 53.8 42.4 -3.6 -94.0 112 1 7 0 03 46 00 03 47 30 --- 09 09 08 54.0 42.4 -3.5 -94.3 90 F 1 600 Schedule for VLBA_HN (Code Hn ) Page 7 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 03 47 30 J1234+619 09 09 08 54.7 39.5 -3.4 -98.3 -8 1 7 600 03 47 30 03 50 10 --- 09 11 48 55.0 39.4 -3.4 -99.0 152 F 1 1667 03 50 10 HDF 09 11 48 54.7 39.0 -3.4 -98.7 -6 1 7 1667 03 50 10 03 55 30 --- 09 17 09 55.3 38.9 -3.3 -100.0 314 F 1 3800 03 55 30 J1234+619 09 17 09 55.6 39.2 -3.3 -100.3 -6 1 7 3800 03 55 30 03 58 10 --- 09 19 49 56.0 39.1 -3.2 -101.0 154 F 1 4867 03 58 10 HDF 09 19 49 55.6 38.8 -3.3 -100.7 -6 1 7 4867 03 58 10 04 03 30 --- 09 25 10 56.2 38.5 -3.2 -102.1 314 F 1 7000 04 03 30 J1234+619 09 25 10 56.6 38.9 -3.2 -102.3 -6 1 7 7000 04 03 30 04 06 10 --- 09 27 51 56.9 38.7 -3.1 -103.0 154 F 1 8067 04 06 10 HDF 09 27 51 56.5 38.4 -3.2 -102.8 -6 1 7 8067 04 06 10 04 11 30 --- 09 33 12 57.1 38.1 -3.1 -104.2 314 F 1 10200 04 11 30 J1234+619 09 33 12 57.5 38.5 -3.0 -104.5 -6 1 7 10200 04 11 30 04 14 10 --- 09 35 52 57.8 38.3 -3.0 -105.2 154 F 1 11267 04 14 10 HDF 09 35 52 57.4 38.0 -3.0 -104.9 -6 1 7 11267 04 14 10 04 19 30 --- 09 41 13 58.0 37.7 -2.9 -106.3 314 F 1 13400 04 19 30 J1234+619 09 41 13 58.4 38.0 -2.9 -106.6 -6 1 7 13400 04 19 30 04 22 10 --- 09 43 53 58.7 37.8 -2.8 -107.4 154 F 1 14467 04 22 10 HDF 09 43 53 58.3 37.5 -2.9 -107.1 -6 1 7 14467 04 22 10 04 27 30 --- 09 49 14 58.9 37.2 -2.8 -108.6 314 F 1 16600 04 27 30 J1234+619 09 49 14 59.3 37.4 -2.8 -108.9 -6 1 7 16600 04 27 30 04 30 00 --- 09 51 45 59.6 37.2 -2.7 -109.6 144 F 1 17600 04 35 00 J0927+3902 09 56 45 83.2 237.3 0.5 52.5 161 1 8 17600 04 35 00 04 42 00 =0923+392 10 03 47 82.1 243.4 0.6 57.4 420 R 1 14800 04 44 00 J1241+602 10 05 47 60.9 399.8 -2.6 -108.8 10 1 8 14800 04 44 00 04 45 40 --- 10 07 27 61.1 399.7 -2.6 -109.3 100 R 1 14133 04 45 40 J1234+619 10 07 27 61.3 395.8 -2.4 -114.3 -9 1 8 14133 04 45 40 04 48 20 --- 10 10 08 61.6 395.6 -2.4 -115.1 151 R 1 13067 04 48 20 HDF 10 10 08 61.2 395.4 -2.4 -114.7 -6 1 8 13067 04 48 20 04 53 50 --- 10 15 39 61.8 394.8 -2.4 -116.5 324 R 1 10867 Schedule for VLBA_HN (Code Hn ) Page 8 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 04 53 50 J1234+619 10 15 39 62.2 395.0 -2.3 -116.8 -6 1 8 10867 04 53 50 04 56 30 --- 10 18 19 62.4 394.7 -2.3 -117.7 154 R 1 9800 04 56 30 HDF 10 18 19 62.1 394.5 -2.3 -117.3 -6 1 8 9800 04 56 30 05 02 00 --- 10 23 50 62.6 393.8 -2.2 -119.1 324 R 1 7600 05 02 00 J1234+619 10 23 50 63.0 394.0 -2.2 -119.5 -6 1 8 7600 05 02 00 05 04 40 --- 10 26 30 63.3 393.6 -2.1 -120.4 154 R 1 6533 05 04 40 HDF 10 26 30 62.9 393.5 -2.2 -120.0 -6 1 8 6533 05 04 40 05 10 10 --- 10 32 01 63.4 392.7 -2.1 -121.9 324 R 1 4333 05 10 10 J1234+619 10 32 01 63.8 392.9 -2.0 -122.3 -6 1 8 4333 05 10 10 05 12 50 --- 10 34 42 64.1 392.5 -2.0 -123.3 154 R 1 3267 05 12 50 HDF 10 34 42 63.7 392.4 -2.0 -122.8 -6 1 8 3267 05 12 50 05 18 20 --- 10 40 13 64.2 391.6 -1.9 -124.8 324 R 1 1067 05 18 20 J1234+619 10 40 13 64.6 391.6 -1.9 -125.2 -6 1 8 1067 05 18 20 05 21 00 --- 10 42 53 64.9 391.2 -1.9 -126.2 154 R 1 0 05 23 00 J1241+602 10 44 53 65.3 395.3 -1.9 -121.4 111 1 9 0 05 23 00 05 24 30 --- 10 46 24 65.4 395.0 -1.9 -121.9 90 F 1 600 05 24 30 J1234+619 10 46 24 65.2 390.6 -1.8 -127.5 -9 1 9 600 05 24 30 05 27 10 --- 10 49 04 65.5 390.2 -1.8 -128.5 151 F 1 1667 05 27 10 HDF 10 49 04 65.1 390.1 -1.8 -128.0 -6 1 9 1667 05 27 10 05 32 30 --- 10 54 25 65.6 389.2 -1.7 -130.1 314 F 1 3800 05 32 30 J1234+619 10 54 25 65.9 389.2 -1.7 -130.6 -6 1 9 3800 05 32 30 05 35 10 --- 10 57 05 66.2 388.7 -1.6 -131.7 154 F 1 4867 05 35 10 HDF 10 57 05 65.8 388.7 -1.7 -131.1 -6 1 9 4867 05 35 10 05 40 30 --- 11 02 26 66.3 387.7 -1.6 -133.2 314 F 1 7000 05 40 30 J1234+619 11 02 26 66.6 387.6 -1.5 -133.8 -6 1 9 7000 05 40 30 05 43 10 --- 11 05 07 66.9 387.1 -1.5 -134.9 154 F 1 8067 05 43 10 HDF 11 05 07 66.5 387.1 -1.5 -134.3 -6 1 9 8067 05 43 10 05 48 30 --- 11 10 28 66.9 386.0 -1.4 -136.5 314 F 1 10200 05 48 30 J1234+619 11 10 28 67.3 385.9 -1.4 -137.2 -6 1 9 10200 05 48 30 05 51 10 --- 11 13 08 67.5 385.3 -1.4 -138.3 154 F 1 11267 Schedule for VLBA_HN (Code Hn ) Page 9 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 05 51 10 HDF 11 13 08 67.1 385.4 -1.4 -137.6 -6 1 9 11267 05 51 10 05 56 30 --- 11 18 29 67.5 384.2 -1.3 -140.0 314 F 1 13400 05 56 30 J1234+619 11 18 29 67.9 384.0 -1.3 -140.7 -6 1 9 13400 05 56 30 05 59 10 --- 11 21 09 68.1 383.4 -1.2 -141.9 154 F 1 14467 05 59 10 HDF 11 21 09 67.7 383.6 -1.3 -141.1 -6 1 9 14467 05 59 10 06 04 30 --- 11 26 30 68.1 382.2 -1.2 -143.5 314 F 1 16600 06 04 30 J1234+619 11 26 30 68.5 382.0 -1.1 -144.3 -6 1 9 16600 06 04 30 06 07 00 --- 11 29 01 68.7 381.3 -1.1 -145.5 144 F 1 17600 06 09 00 J1241+602 11 31 01 69.6 385.5 -1.2 -140.4 111 1 10 17600 06 09 00 06 10 30 --- 11 32 31 69.7 385.1 -1.2 -141.1 90 R 1 17000 06 10 30 J1234+619 11 32 31 68.9 380.4 -1.0 -147.1 -9 1 10 17000 06 10 30 06 13 10 --- 11 35 12 69.1 379.7 -1.0 -148.4 151 R 1 15933 06 13 10 HDF 11 35 12 68.7 380.0 -1.0 -147.6 -6 1 10 15933 06 13 10 06 18 30 --- 11 40 32 69.0 378.5 -0.9 -150.1 314 R 1 13800 06 18 30 J1234+619 11 40 32 69.4 378.1 -0.9 -151.0 -6 1 10 13800 06 18 30 06 21 10 --- 11 43 13 69.5 377.3 -0.9 -152.4 154 R 1 12733 06 21 10 HDF 11 43 13 69.2 377.7 -0.9 -151.4 -6 1 10 12733 06 21 10 06 26 30 --- 11 48 34 69.5 376.2 -0.8 -154.1 314 R 1 10600 06 26 30 J1234+619 11 48 34 69.8 375.7 -0.8 -155.1 -6 1 10 10600 06 26 30 06 29 10 --- 11 51 14 69.9 374.9 -0.7 -156.4 154 R 1 9533 06 29 10 HDF 11 51 14 69.6 375.4 -0.8 -155.4 -6 1 10 9533 06 29 10 06 34 30 --- 11 56 35 69.8 373.7 -0.7 -158.2 314 R 1 7400 06 34 30 J1234+619 11 56 35 70.2 373.2 -0.6 -159.2 -6 1 10 7400 06 34 30 06 37 10 --- 11 59 16 70.3 372.3 -0.6 -160.6 154 R 1 6333 06 37 10 HDF 11 59 16 70.0 372.9 -0.6 -159.5 -6 1 10 6333 06 37 10 06 42 30 --- 12 04 36 70.2 371.1 -0.5 -162.4 314 R 1 4200 06 42 30 J1234+619 12 04 36 70.5 370.5 -0.5 -163.5 -6 1 10 4200 06 42 30 06 45 10 --- 12 07 17 70.6 369.6 -0.5 -164.9 154 R 1 3133 06 45 10 HDF 12 07 17 70.2 370.3 -0.5 -163.8 -6 1 10 3133 06 45 10 06 50 30 --- 12 12 38 70.4 368.5 -0.4 -166.6 314 R 1 1000 Schedule for VLBA_HN (Code Hn ) Page 10 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 06 50 30 J1234+619 12 12 38 70.7 367.8 -0.4 -167.9 -6 1 10 1000 06 50 30 06 53 00 --- 12 15 08 70.8 366.9 -0.3 -169.2 144 R 1 0 06 55 00 J1241+602 12 17 08 72.2 370.0 -0.4 -165.1 111 1 11 0 06 55 00 06 56 30 --- 12 18 39 72.3 369.4 -0.4 -166.0 90 F 1 600 06 56 30 J1234+619 12 18 39 70.8 365.7 -0.3 -171.2 -9 1 11 600 06 56 30 06 59 10 --- 12 21 19 70.9 364.7 -0.2 -172.7 151 F 1 1667 06 59 10 HDF 12 21 19 70.6 365.5 -0.3 -171.4 -6 1 11 1667 06 59 10 07 04 30 --- 12 26 40 70.7 363.6 -0.2 -174.3 314 F 1 3800 07 04 30 J1234+619 12 26 40 70.9 362.8 -0.1 -175.6 -6 1 11 3800 07 04 30 07 07 10 --- 12 29 20 71.0 361.8 -0.1 -177.1 154 F 1 4867 07 07 10 HDF 12 29 20 70.7 362.7 -0.1 -175.8 -6 1 11 4867 07 07 10 07 12 30 --- 12 34 41 70.7 360.8 0.0 -178.8 314 F 1 7000 07 12 30 J1234+619 12 34 41 71.0 359.9 0.0 179.9 -6 1 11 7000 07 12 30 07 15 10 --- 12 37 22 71.0 358.9 0.0 178.3 154 F 1 8067 07 15 10 HDF 12 37 22 70.7 359.8 0.0 179.8 -6 1 11 8067 07 15 10 07 20 30 --- 12 42 43 70.7 358.0 0.1 176.8 314 F 1 10200 07 20 30 J1234+619 12 42 43 70.9 357.0 0.1 175.3 -6 1 11 10200 07 20 30 07 23 10 --- 12 45 23 70.9 356.1 0.2 173.9 154 F 1 11267 07 23 10 HDF 12 45 23 70.7 357.0 0.1 175.3 -6 1 11 11267 07 23 10 07 28 30 --- 12 50 44 70.6 355.1 0.2 172.4 314 F 1 13400 07 28 30 J1234+619 12 50 44 70.8 354.2 0.3 170.9 -6 1 11 13400 07 28 30 07 31 10 --- 12 53 24 70.8 353.2 0.3 169.4 154 F 1 14467 07 31 10 HDF 12 53 24 70.6 354.2 0.3 170.9 -6 1 11 14467 07 31 10 07 36 30 --- 12 58 45 70.5 352.4 0.4 168.0 314 F 1 16600 07 36 30 J1234+619 12 58 45 70.6 351.4 0.4 166.5 -6 1 11 16600 07 36 30 07 39 00 --- 13 01 16 70.6 350.5 0.4 165.1 144 F 1 17600 07 41 00 J1241+602 13 03 16 72.3 351.2 0.4 166.9 111 1 12 17600 07 41 00 07 42 30 --- 13 04 46 72.3 350.6 0.4 166.0 90 R 1 17000 07 42 30 J1234+619 13 04 46 70.5 349.3 0.5 163.2 -10 1 12 17000 07 42 30 07 45 10 --- 13 07 27 70.4 348.4 0.6 161.8 150 R 1 15933 Schedule for VLBA_HN (Code Hn ) Page 11 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 07 45 10 HDF 13 07 27 70.2 349.5 0.5 163.3 -6 1 12 15933 07 45 10 07 50 30 --- 13 12 48 70.0 347.7 0.6 160.5 314 R 1 13800 07 50 30 J1234+619 13 12 48 70.2 346.7 0.6 158.9 -6 1 12 13800 07 50 30 07 53 10 --- 13 15 28 70.0 345.8 0.7 157.5 154 R 1 12733 07 53 10 HDF 13 15 28 69.9 346.9 0.6 159.1 -6 1 12 12733 07 53 10 07 58 30 --- 13 20 49 69.7 345.2 0.7 156.3 314 R 1 10600 07 58 30 J1234+619 13 20 49 69.8 344.1 0.8 154.8 -6 1 12 10600 07 58 30 08 01 10 --- 13 23 29 69.6 343.3 0.8 153.4 154 R 1 9533 08 01 10 HDF 13 23 29 69.5 344.4 0.8 155.0 -6 1 12 9533 08 01 10 08 06 30 --- 13 28 50 69.3 342.8 0.9 152.3 314 R 1 7400 08 06 30 J1234+619 13 28 50 69.4 341.7 0.9 150.8 -6 1 12 7400 08 06 30 08 09 10 --- 13 31 31 69.2 340.9 1.0 149.5 154 R 1 6333 08 09 10 HDF 13 31 31 69.1 342.0 0.9 151.0 -6 1 12 6333 08 09 10 08 14 30 --- 13 36 52 68.8 340.5 1.0 148.4 314 R 1 4200 08 14 30 J1234+619 13 36 52 68.9 339.5 1.0 146.9 -6 1 12 4200 08 14 30 08 17 10 --- 13 39 32 68.7 338.7 1.1 145.6 154 R 1 3133 08 17 10 HDF 13 39 32 68.6 339.8 1.0 147.2 -6 1 12 3133 08 17 10 08 22 30 --- 13 44 53 68.3 338.4 1.1 144.7 314 R 1 1000 08 22 30 J1234+619 13 44 53 68.3 337.3 1.2 143.1 -6 1 12 1000 08 22 30 08 25 00 --- 13 47 23 68.1 336.7 1.2 142.0 144 R 1 0 08 27 00 J1241+602 13 49 24 69.8 335.3 1.1 141.9 111 1 13 0 08 27 00 08 28 30 --- 13 50 54 69.7 334.9 1.2 141.1 90 F 1 600 08 28 30 J1234+619 13 50 54 67.9 335.9 1.3 140.4 -10 1 13 600 08 28 30 08 31 10 --- 13 53 34 67.7 335.2 1.3 139.3 150 F 1 1667 08 31 10 HDF 13 53 34 67.7 336.2 1.3 140.7 -6 1 13 1667 08 31 10 08 36 30 --- 13 58 55 67.3 335.0 1.4 138.4 314 F 1 3800 08 36 30 J1234+619 13 58 55 67.3 334.0 1.4 136.9 -6 1 13 3800 08 36 30 08 39 10 --- 14 01 36 67.0 333.4 1.5 135.8 154 F 1 4867 08 39 10 HDF 14 01 36 67.1 334.4 1.4 137.3 -6 1 13 4867 08 39 10 08 44 30 --- 14 06 56 66.6 333.2 1.5 135.0 314 F 1 7000 Schedule for VLBA_HN (Code Hn ) Page 12 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 08 44 30 J1234+619 14 06 56 66.6 332.3 1.5 133.6 -6 1 13 7000 08 44 30 08 47 10 --- 14 09 37 66.4 331.7 1.6 132.5 154 F 1 8067 08 47 10 HDF 14 09 37 66.4 332.7 1.5 133.9 -6 1 13 8067 08 47 10 08 52 30 --- 14 14 58 66.0 331.7 1.6 131.8 314 F 1 10200 08 52 30 J1234+619 14 14 58 65.9 330.7 1.7 130.4 -6 1 13 10200 08 52 30 08 55 10 --- 14 17 38 65.7 330.2 1.7 129.4 154 F 1 11267 08 55 10 HDF 14 17 38 65.7 331.1 1.7 130.8 -6 1 13 11267 08 55 10 09 00 30 --- 14 22 59 65.2 330.2 1.8 128.7 314 F 1 13400 09 00 30 J1234+619 14 22 59 65.2 329.3 1.8 127.3 -6 1 13 13400 09 00 30 09 03 10 --- 14 25 40 64.9 328.8 1.9 126.3 154 F 1 14467 09 03 10 HDF 14 25 40 65.0 329.7 1.8 127.7 -6 1 13 14467 09 03 10 09 08 30 --- 14 31 00 64.5 328.9 1.9 125.7 314 F 1 16600 09 08 30 J1234+619 14 31 00 64.4 328.0 1.9 124.4 -6 1 13 16600 09 08 30 09 11 00 --- 14 33 31 64.2 327.6 2.0 123.5 144 F 1 17600 09 13 00 J1241+602 14 35 31 65.6 325.2 1.9 122.5 111 1 14 17600 09 13 00 09 14 30 --- 14 37 01 65.4 325.0 1.9 121.9 90 R 1 17000 09 14 30 J1234+619 14 37 01 63.8 327.1 2.0 122.3 -9 1 14 17000 09 14 30 09 17 10 --- 14 39 42 63.5 326.7 2.1 121.3 151 R 1 15933 09 17 10 HDF 14 39 42 63.7 327.6 2.0 122.6 -6 1 14 15933 09 17 10 09 22 30 --- 14 45 03 63.1 326.8 2.1 120.8 314 R 1 13800 09 22 30 J1234+619 14 45 03 63.0 326.0 2.2 119.5 -6 1 14 13800 09 22 30 09 25 10 --- 14 47 43 62.7 325.7 2.2 118.6 154 R 1 12733 09 25 10 HDF 14 47 43 62.9 326.5 2.2 119.9 -6 1 14 12733 09 25 10 09 30 30 --- 14 53 04 62.3 325.8 2.3 118.1 314 R 1 10600 09 30 30 J1234+619 14 53 04 62.2 325.1 2.3 116.9 -6 1 14 10600 09 30 30 09 33 10 --- 14 55 44 61.9 324.8 2.4 116.0 154 R 1 9533 09 33 10 HDF 14 55 44 62.0 325.5 2.3 117.3 -6 1 14 9533 09 33 10 09 38 30 --- 15 01 05 61.5 324.9 2.4 115.6 314 R 1 7400 09 38 30 J1234+619 15 01 05 61.3 324.2 2.4 114.4 -6 1 14 7400 09 38 30 09 41 10 --- 15 03 46 61.0 323.9 2.5 113.5 154 R 1 6333 Schedule for VLBA_HN (Code Hn ) Page 13 Deep Global VLBI Observations of the Hubble Deep Field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 23 Feb 2004 Day 54 --- 09 41 10 HDF 15 03 46 61.2 324.6 2.4 114.7 -6 1 14 6333 09 41 10 09 46 30 --- 15 09 07 60.6 324.1 2.5 113.1 314 R 1 4200 09 46 30 J1234+619 15 09 07 60.5 323.4 2.6 111.9 -6 1 14 4200 09 46 30 09 49 10 --- 15 11 47 60.2 323.2 2.6 111.1 154 R 1 3133 09 49 10 HDF 15 11 47 60.3 323.9 2.6 112.3 -6 1 14 3133 09 49 10 09 54 30 --- 15 17 08 59.8 323.4 2.7 110.7 314 R 1 1000 09 54 30 J1234+619 15 17 08 59.6 322.8 2.7 109.6 -6 1 14 1000 09 54 30 09 57 00 --- 15 19 38 59.3 322.6 2.8 108.9 144 R 1 0 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: GG053.21cm Matches group v20cm_2 in /aps3/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 1 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 2400.00 2400.00 2400.00 2400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= L L L L IF = A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 1408.49 1408.49 1416.49 1416.49 BBC fr= 991.51 991.51 983.51 983.51 Bandwd= 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 OFF OFF OFF OFF PCALXB2= M1 M2 M3 M4 OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCE LIST -- Deep Global VLBI Observations of the Hubble Deep Field Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Source Source position (RA/Dec) (B1950) (J2000) (Date) * J1241+602 12 39 16.511212 * 12 41 29.590769 12 41 42.828883 60 37 07.62228 * 60 20 41.32017 60 19 08.21679 From catalog imbedded in main SCHED input file. * J1234+619 12 31 56.132262 * 12 34 11.743000 12 34 25.396658 62 15 03.88430 * 61 58 32.48000 61 56 59.62125 From catalog imbedded in main SCHED input file. * HDF 12 34 28.059876 * 12 36 42.091690 12 36 55.629106 62 30 01.18651 * 62 13 31.42640 62 11 58.48180 From catalog imbedded in main SCHED input file. * J0927+3902 09 23 55.319195 * 09 27 03.013916 09 27 19.672033 0923+392 39 15 23.56655 * 39 02 20.85195 39 01 19.48134 4C39.25 /aps3/sched/catalogs/sources.vlba J0927+39 ICRF - Ext.1 Source - 1998 IERS Annual Report The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) J1241+602 123.6 J1234+619 122.9 HDF 122.5 J0927+3902 148.5 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg