COVER INFORMATION Station: VLBA_NL (Code NL ) Experiment: 3rd Epoch X-ray Transient GROJ1655-40: 6,13,18cm 25aug94 VLBA Exp. Code: BHTOA3 Schedule Version: 1.00 Processed by SCHED version: 17 Feb 1994 PI: R. Hjellming Address: NRAO P.O. Box O Socorro, NM 87801, USA Phone: 1-505-835-7273 (work) or 1-505-835-0504 (home) EMAIL: rhjellmi@nrao.edu (internet) Fax: 1-505-835-7027 Telex: 9109881710 Phone during observation: 1-505-835-7273 (work) or 1-505-835-0504 (home) Observing mode: VLBA 128-8-1 6,13,18cm Correlator: SOCORRO Notes: Use ALL AVAILABLE stations EXCEPT BR" Fringe finder & amp. checks: 1622-297 Schedule for VLBA_NL (Code NL ) Page 2 3rd Epoch X-ray Transient GROJ1655-40: 6,13,18cm 25aug94 VLBA ------------------------------------------------------------------------------- Start UT Source RA/Dec Start / Stop Slews/Notes Stop UT Coord epoch LST EL AZ HA EL AZ HA Tape: Drive, Index, Head Group, Direction, Footage (Start Stop) ------------------------------------------------------------------------------- --- Thu 25 Aug 1994 Day 237 --- 23 00 00 GRJ1655 16 54 00.200 15 09 35 5.0 160.2 -1.7 0.0 0.0 0.0 23 13 00 (2000) -39 50 43.60 15 22 38 5.8 162.6 -1.5 Tape: 1 1 1 Forward 0 8775 23 13 00 GRJ1655 16 54 00.200 15 22 38 5.8 162.6 -1.5 0.0 0.0 0.0 23 26 00 (2000) -39 50 43.60 15 35 40 6.5 165.1 -1.3 Tape: 1 1 1 Forward 8775 17550 23 26 00 GRJ1655 16 54 00.200 15 35 40 6.5 165.1 -1.3 0.0 0.0 0.0 23 39 00 (2000) -39 50 43.60 15 48 42 7.1 167.5 -1.1 Tape: 1 2 1 Reverse 17550 8775 23 39 00 GRJ1655 16 54 00.200 15 48 42 7.1 167.5 -1.1 0.0 0.0 0.0 23 52 00 (2000) -39 50 43.60 16 01 44 7.5 170.0 -0.9 Tape: 1 2 1 Reverse 8775 0 --- Start: Thu 25 Aug 1994 Day 237 -- Stop: Fri 26 Aug 1994 Day 238 --- 23 52 00 GRJ1655 16 54 00.200 16 01 44 7.5 170.0 -0.9 0.0 0.0 0.0 00 05 00 (2000) -39 50 43.60 16 14 46 7.9 172.5 -0.6 Tape: 1 3 1 Forward 0 8775 00 05 00 GRJ1655 16 54 00.200 16 14 46 7.9 172.5 -0.6 0.0 0.0 0.0 00 18 00 (2000) -39 50 43.60 16 27 48 8.2 175.0 -0.4 Tape: 1 3 1 Forward 8775 17550 00 18 00 GRJ1655 16 54 00.200 16 27 48 8.2 175.0 -0.4 0.0 0.0 0.0 00 31 00 (2000) -39 50 43.60 16 40 50 8.3 177.5 -0.2 Tape: 1 4 1 Reverse 17550 8775 00 31 00 GRJ1655 16 54 00.200 16 40 50 8.3 177.5 -0.2 0.0 0.0 0.0 00 44 00 (2000) -39 50 43.60 16 53 53 8.4 180.0 0.0 Tape: 1 4 1 Reverse 8775 0 00 44 00 GRJ1655 16 54 00.200 16 53 53 8.4 180.0 0.0 0.0 0.0 0.0 00 57 00 (2000) -39 50 43.60 17 06 55 8.3 182.6 0.2 Tape: 1 5 1 Forward 0 8775 00 57 00 GRJ1655 16 54 00.200 17 06 55 8.3 182.6 0.2 0.0 0.0 0.0 01 10 00 (2000) -39 50 43.60 17 19 57 8.2 185.1 0.4 Tape: 1 5 1 Forward 8775 17550 01 10 00 GRJ1655 16 54 00.200 17 19 57 8.2 185.1 0.4 0.0 0.0 0.0 01 23 00 (2000) -39 50 43.60 17 32 59 7.9 187.6 0.7 Tape: 1 6 1 Reverse 17550 8775 Schedule for VLBA_NL (Code NL ) Page 3 3rd Epoch X-ray Transient GROJ1655-40: 6,13,18cm 25aug94 VLBA ------------------------------------------------------------------------------- Start UT Source RA/Dec Start / Stop Slews/Notes Stop UT Coord epoch LST EL AZ HA EL AZ HA Tape: Drive, Index, Head Group, Direction, Footage (Start Stop) ------------------------------------------------------------------------------- --- Fri 26 Aug 1994 Day 238 --- 01 23 00 GRJ1655 16 54 00.200 17 32 59 7.9 187.6 0.7 0.0 0.0 0.0 01 36 00 (2000) -39 50 43.60 17 46 01 7.5 190.1 0.9 Tape: 1 6 1 Reverse 8775 0 01 36 00 GRJ1655 16 54 00.200 17 46 01 7.5 190.1 0.9 0.0 0.0 0.0 01 42 30 (2000) -39 50 43.60 17 52 32 7.3 191.3 1.0 Tape: 1 7 1 Forward 0 4387 01 42 30 1622-297 16 26 06.021 17 52 32 15.6 199.4 1.4 8.3 8.1 0.5 01 49 00 (2000) -29 51 26.97 17 59 03 15.2 200.8 1.6 Tape: 1 7 1 Forward 4387 8775 01 49 00 GRJ1655 16 54 00.200 17 59 03 7.1 192.6 1.1 -8.2 -8.3 -0.5 01 55 30 (2000) -39 50 43.60 18 05 34 6.8 193.8 1.2 Tape: 1 7 1 Forward 8775 13162 01 55 30 1622-297 16 26 06.021 18 05 34 14.8 202.2 1.7 8.0 8.4 0.5 02 02 00 (2000) -29 51 26.97 18 12 05 14.3 203.6 1.8 Tape: 1 7 1 Forward 13162 17550 02 02 00 GRJ1655 16 54 00.200 18 12 05 6.5 195.0 1.3 -7.8 -8.6 -0.5 02 08 30 (2000) -39 50 43.60 18 18 36 6.1 196.2 1.4 Tape: 1 8 1 Reverse 17550 13162 02 08 30 1622-297 16 26 06.021 18 18 36 13.8 205.0 1.9 7.7 8.7 0.5 02 15 00 (2000) -29 51 26.97 18 25 08 13.3 206.3 2.0 Tape: 1 8 1 Reverse 13162 8775 02 15 00 GRJ1655 16 54 00.200 18 25 08 5.8 197.5 1.5 -7.5 -8.9 -0.5 02 28 00 (2000) -39 50 43.60 18 38 10 5.0 199.8 1.7 Tape: 1 8 1 Reverse 8775 0 02 28 00 GRJ1655 16 54 00.200 18 38 10 5.0 199.8 1.7 0.0 0.0 0.0 02 41 00 (2000) -39 50 43.60 18 51 12 4.1 202.2 2.0 Tape: 1 9 1 Forward 0 8775 02 41 00 GRJ1655 16 54 00.200 18 51 12 4.1 202.2 2.0 0.0 0.0 0.0 02 54 00 (2000) -39 50 43.60 19 04 14 3.2 204.5 2.2 Tape: 1 9 1 Forward 8775 17550 02 54 00 GRJ1655 16 54 00.200 19 04 14 3.2 204.5 2.2 0.0 0.0 0.0 03 00 30 (2000) -39 50 43.60 19 10 45 2.7 205.7 2.3 Tape: 1 10 1 Reverse 17550 13162 Schedule for VLBA_NL (Code NL ) Page 4 3rd Epoch X-ray Transient GROJ1655-40: 6,13,18cm 25aug94 VLBA ------------------------------------------------------------------------------- Start UT Source RA/Dec Start / Stop Slews/Notes Stop UT Coord epoch LST EL AZ HA EL AZ HA Tape: Drive, Index, Head Group, Direction, Footage (Start Stop) ------------------------------------------------------------------------------- --- Fri 26 Aug 1994 Day 238 --- 03 00 30 1622-297 16 26 06.021 19 10 45 8.9 215.4 2.7 6.2 9.7 0.5 03 07 00 (2000) -29 51 26.97 19 17 16 8.2 216.6 2.9 Tape: 1 10 1 Reverse 13162 8775 03 07 00 GRJ1655 16 54 00.200 19 17 16 2.1 206.8 2.4 -6.1 -9.8 -0.5 03 13 30 (2000) -39 50 43.60 19 23 47 1.6 207.9 2.5 SETS Tape: 1 10 1 Reverse 8775 4387 03 13 30 1622-297 16 26 06.021 19 23 47 7.5 217.8 3.0 5.9 9.9 0.5 03 20 00 (2000) -29 51 26.97 19 30 18 6.7 219.0 3.1 Tape: 1 10 1 Reverse 4387 0 03 20 00 GRJ1655 16 54 00.200 19 30 18 1.0 209.0 2.6 -5.7 -10.0 -0.5 03 26 30 (2000) -39 50 43.60 19 36 49 0.4 210.1 2.7 DOWN Tape: 1 11 1 Forward 0 4387 03 26 30 1622-297 16 26 06.021 19 36 49 5.9 220.2 3.2 5.5 10.1 0.5 03 33 00 (2000) -29 51 26.97 19 43 20 5.1 221.4 3.3 Tape: 1 11 1 Forward 4387 8775 03 33 00 GRJ1655 16 54 00.200 19 43 20 -0.2 211.2 2.8 -5.4 -10.2 -0.5 03 46 00 (2000) -39 50 43.60 19 56 22 -1.5 213.3 3.0 DOWN Tape: 1 11 1 Forward 8775 17550 03 46 00 GRJ1655 16 54 00.200 19 56 22 -1.5 213.3 3.0 0.0 0.0 0.0 03 59 00 (2000) -39 50 43.60 20 09 25 -2.9 215.4 3.3 DOWN Tape: 1 12 1 Reverse 17550 8775 03 59 00 GRJ1655 16 54 00.200 20 09 25 -2.9 215.4 3.3 0.0 0.0 0.0 04 12 00 (2000) -39 50 43.60 20 22 27 -4.3 217.5 3.5 DOWN Tape: 1 12 1 Reverse 8775 0 04 12 00 GRJ1655 16 54 00.200 20 22 27 -4.3 217.5 3.5 0.0 0.0 0.0 04 25 00 (2000) -39 50 43.60 20 35 29 -5.9 219.5 3.7 DOWN Tape: 1 13 1 Forward 0 8775 04 25 00 GRJ1655 16 54 00.200 20 35 29 -5.9 219.5 3.7 0.0 0.0 0.0 04 38 00 (2000) -39 50 43.60 20 48 31 -7.4 221.4 3.9 DOWN Tape: 1 13 1 Forward 8775 17550 04 38 00 GRJ1655 16 54 00.200 20 48 31 -7.4 221.4 3.9 0.0 0.0 0.0 04 51 00 (2000) -39 50 43.60 21 01 33 -9.1 223.3 4.1 DOWN Tape: 1 14 1 Reverse 17550 8775 Schedule for VLBA_NL (Code NL ) Page 5 3rd Epoch X-ray Transient GROJ1655-40: 6,13,18cm 25aug94 VLBA ------------------------------------------------------------------------------- Start UT Source RA/Dec Start / Stop Slews/Notes Stop UT Coord epoch LST EL AZ HA EL AZ HA Tape: Drive, Index, Head Group, Direction, Footage (Start Stop) ------------------------------------------------------------------------------- --- Fri 26 Aug 1994 Day 238 --- 04 51 00 GRJ1655 16 54 00.200 21 01 33 -9.1 223.3 4.1 0.0 0.0 0.0 05 04 00 (2000) -39 50 43.60 21 14 35 -10.8 225.2 4.3 DOWN Tape: 1 14 1 Reverse 8775 0 SOURCE LIST -- 3rd Epoch X-ray Transient GROJ1655-40: 6,13,18cm 25aug94 VLBA Catalog positions marked with *. Position of date is for stop time of first scan. Source Source position (RA/Dec) (B1950) (J2000) (Date) 1622-297 16 22 57.243 * 16 26 06.021 16 25 47.067 -29 44 41.41 *-29 51 26.97 -29 50 44.29 GRJ1655 16 50 33.149 * 16 54 00.200 16 53 39.609 -39 45 51.69 *-39 50 43.60 -39 50 15.49