COVER INFORMATION Station: VLBA_NL (Code NL ) Experiment: 1st Epoch on X-ray Transient GROJ1655-40: 2,6,18cm 18aug94 VLBA Exp. Code: BHTOA1 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 2, 6, 18cm Correlator: SOCORRO Notes: Use 7 stations: KP LA FD SC NL OV MK Fringe finder & amp. checks: 1622-297 Schedule for VLBA_NL (Code NL ) Page 2 1st Epoch on X-ray Transient GROJ1655-40: 2,6,18cm 18aug94 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 18 Aug 1994 Day 230 --- 23 30 00 GRJ1655 16 54 00.200 15 12 05 5.2 160.7 -1.7 0.0 0.0 0.0 23 43 00 (2000) -39 50 43.60 15 25 07 6.0 163.1 -1.5 Tape: 1 1 1 Forward 0 8775 23 43 00 GRJ1655 16 54 00.200 15 25 07 6.0 163.1 -1.5 0.0 0.0 0.0 23 56 00 (2000) -39 50 43.60 15 38 09 6.6 165.5 -1.3 Tape: 1 1 1 Forward 8775 17550 --- Start: Thu 18 Aug 1994 Day 230 -- Stop: Fri 19 Aug 1994 Day 231 --- 23 56 00 GRJ1655 16 54 00.200 15 38 09 6.6 165.5 -1.3 0.0 0.0 0.0 00 09 00 (2000) -39 50 43.60 15 51 11 7.2 168.0 -1.0 Tape: 1 2 1 Reverse 17550 8775 00 09 00 GRJ1655 16 54 00.200 15 51 11 7.2 168.0 -1.0 0.0 0.0 0.0 00 22 00 (2000) -39 50 43.60 16 04 13 7.6 170.5 -0.8 Tape: 1 2 1 Reverse 8775 0 00 22 00 GRJ1655 16 54 00.200 16 04 13 7.6 170.5 -0.8 0.0 0.0 0.0 00 35 00 (2000) -39 50 43.60 16 17 15 8.0 173.0 -0.6 Tape: 1 3 1 Forward 0 8775 00 35 00 GRJ1655 16 54 00.200 16 17 15 8.0 173.0 -0.6 0.0 0.0 0.0 00 48 00 (2000) -39 50 43.60 16 30 17 8.2 175.5 -0.4 Tape: 1 3 1 Forward 8775 17550 00 48 00 GRJ1655 16 54 00.200 16 30 17 8.2 175.5 -0.4 0.0 0.0 0.0 01 01 00 (2000) -39 50 43.60 16 43 19 8.4 178.0 -0.2 Tape: 1 4 1 Reverse 17550 8775 01 01 00 GRJ1655 16 54 00.200 16 43 19 8.4 178.0 -0.2 0.0 0.0 0.0 01 14 00 (2000) -39 50 43.60 16 56 22 8.4 180.5 0.0 Tape: 1 4 1 Reverse 8775 0 01 14 00 GRJ1655 16 54 00.200 16 56 22 8.4 180.5 0.0 0.0 0.0 0.0 01 27 00 (2000) -39 50 43.60 17 09 24 8.3 183.1 0.3 Tape: 1 5 1 Forward 0 8775 01 27 00 GRJ1655 16 54 00.200 17 09 24 8.3 183.1 0.3 0.0 0.0 0.0 01 40 00 (2000) -39 50 43.60 17 22 26 8.1 185.6 0.5 Tape: 1 5 1 Forward 8775 17550 01 40 00 GRJ1655 16 54 00.200 17 22 26 8.1 185.6 0.5 0.0 0.0 0.0 01 53 00 (2000) -39 50 43.60 17 35 28 7.8 188.1 0.7 Tape: 1 6 1 Reverse 17550 8775 Schedule for VLBA_NL (Code NL ) Page 3 1st Epoch on X-ray Transient GROJ1655-40: 2,6,18cm 18aug94 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 19 Aug 1994 Day 231 --- 01 53 00 GRJ1655 16 54 00.200 17 35 28 7.8 188.1 0.7 0.0 0.0 0.0 02 06 00 (2000) -39 50 43.60 17 48 30 7.4 190.6 0.9 Tape: 1 6 1 Reverse 8775 0 02 06 00 GRJ1655 16 54 00.200 17 48 30 7.4 190.6 0.9 0.0 0.0 0.0 02 12 30 (2000) -39 50 43.60 17 55 01 7.2 191.8 1.0 Tape: 1 7 1 Forward 0 4387 02 12 30 1622-297 16 26 06.021 17 55 01 15.5 200.0 1.5 8.3 8.2 0.5 02 19 00 (2000) -29 51 26.97 18 01 32 15.1 201.4 1.6 Tape: 1 7 1 Forward 4387 8775 02 19 00 GRJ1655 16 54 00.200 18 01 32 6.9 193.0 1.1 -8.1 -8.3 -0.5 02 25 30 (2000) -39 50 43.60 18 08 03 6.7 194.3 1.2 Tape: 1 7 1 Forward 8775 13162 02 25 30 1622-297 16 26 06.021 18 08 03 14.6 202.8 1.7 7.9 8.5 0.5 02 32 00 (2000) -29 51 26.97 18 14 34 14.1 204.1 1.8 Tape: 1 7 1 Forward 13162 17550 02 32 00 GRJ1655 16 54 00.200 18 14 34 6.4 195.5 1.3 -7.8 -8.6 -0.5 02 38 30 (2000) -39 50 43.60 18 21 05 6.0 196.7 1.5 Tape: 1 8 1 Reverse 17550 13162 02 38 30 1622-297 16 26 06.021 18 21 05 13.6 205.5 1.9 7.6 8.8 0.5 02 45 00 (2000) -29 51 26.97 18 27 37 13.1 206.8 2.0 Tape: 1 8 1 Reverse 13162 8775 02 45 00 GRJ1655 16 54 00.200 18 27 37 5.7 197.9 1.6 -7.4 -8.9 -0.5 02 58 00 (2000) -39 50 43.60 18 40 39 4.9 200.3 1.8 Tape: 1 8 1 Reverse 8775 0 02 58 00 GRJ1655 16 54 00.200 18 40 39 4.9 200.3 1.8 0.0 0.0 0.0 03 11 00 (2000) -39 50 43.60 18 53 41 4.0 202.6 2.0 Tape: 1 9 1 Forward 0 8775 03 11 00 GRJ1655 16 54 00.200 18 53 41 4.0 202.6 2.0 0.0 0.0 0.0 03 24 00 (2000) -39 50 43.60 19 06 43 3.0 204.9 2.2 Tape: 1 9 1 Forward 8775 17550 03 24 00 GRJ1655 16 54 00.200 19 06 43 3.0 204.9 2.2 0.0 0.0 0.0 03 30 30 (2000) -39 50 43.60 19 13 14 2.5 206.1 2.3 Tape: 1 10 1 Reverse 17550 13162 Schedule for VLBA_NL (Code NL ) Page 4 1st Epoch on X-ray Transient GROJ1655-40: 2,6,18cm 18aug94 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 19 Aug 1994 Day 231 --- 03 30 30 1622-297 16 26 06.021 19 13 14 8.6 215.8 2.8 6.2 9.8 0.5 03 37 00 (2000) -29 51 26.97 19 19 45 7.9 217.1 2.9 Tape: 1 10 1 Reverse 13162 8775 03 37 00 GRJ1655 16 54 00.200 19 19 45 1.9 207.2 2.4 -6.0 -9.9 -0.5 03 43 30 (2000) -39 50 43.60 19 26 16 1.4 208.3 2.5 DOWN Tape: 1 10 1 Reverse 8775 4387 03 43 30 1622-297 16 26 06.021 19 26 16 7.2 218.3 3.0 5.8 10.0 0.5 03 50 00 (2000) -29 51 26.97 19 32 47 6.4 219.5 3.1 Tape: 1 10 1 Reverse 4387 0 03 50 00 GRJ1655 16 54 00.200 19 32 47 0.8 209.4 2.7 -5.6 -10.0 -0.5 03 56 30 (2000) -39 50 43.60 19 39 18 0.2 210.5 2.8 DOWN Tape: 1 11 1 Forward 0 4387 03 56 30 1622-297 16 26 06.021 19 39 18 5.6 220.7 3.2 5.5 10.1 0.5 04 03 00 (2000) -29 51 26.97 19 45 49 4.8 221.8 3.3 Tape: 1 11 1 Forward 4387 8775 04 03 00 GRJ1655 16 54 00.200 19 45 49 -0.5 211.6 2.9 -5.3 -10.2 -0.5 04 16 00 (2000) -39 50 43.60 19 58 51 -1.8 213.7 3.1 DOWN Tape: 1 11 1 Forward 8775 17550 04 16 00 GRJ1655 16 54 00.200 19 58 51 -1.8 213.7 3.1 0.0 0.0 0.0 04 29 00 (2000) -39 50 43.60 20 11 54 -3.2 215.8 3.3 DOWN Tape: 1 12 1 Reverse 17550 8775 04 29 00 GRJ1655 16 54 00.200 20 11 54 -3.2 215.8 3.3 0.0 0.0 0.0 04 42 00 (2000) -39 50 43.60 20 24 56 -4.6 217.9 3.5 DOWN Tape: 1 12 1 Reverse 8775 0 04 42 00 GRJ1655 16 54 00.200 20 24 56 -4.6 217.9 3.5 0.0 0.0 0.0 04 55 00 (2000) -39 50 43.60 20 37 58 -6.2 219.9 3.7 DOWN Tape: 1 13 1 Forward 0 8775 04 55 00 GRJ1655 16 54 00.200 20 37 58 -6.2 219.9 3.7 0.0 0.0 0.0 05 08 00 (2000) -39 50 43.60 20 51 00 -7.7 221.8 4.0 DOWN Tape: 1 13 1 Forward 8775 17550 05 08 00 GRJ1655 16 54 00.200 20 51 00 -7.7 221.8 4.0 0.0 0.0 0.0 05 21 00 (2000) -39 50 43.60 21 04 02 -9.4 223.7 4.2 DOWN Tape: 1 14 1 Reverse 17550 8775 Schedule for VLBA_NL (Code NL ) Page 5 1st Epoch on X-ray Transient GROJ1655-40: 2,6,18cm 18aug94 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 19 Aug 1994 Day 231 --- 05 21 00 GRJ1655 16 54 00.200 21 04 02 -9.4 223.7 4.2 0.0 0.0 0.0 05 34 00 (2000) -39 50 43.60 21 17 04 -11.1 225.6 4.4 DOWN Tape: 1 14 1 Reverse 8775 0 SOURCE LIST -- 1st Epoch on X-ray Transient GROJ1655-40: 2,6,18cm 18aug94 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 47.223 -29 44 41.41 *-29 51 26.97 -29 50 44.41 GRJ1655 16 50 33.149 * 16 54 00.200 16 53 39.782 -39 45 51.69 *-39 50 43.60 -39 50 15.36