Exposure
- ID
- GRAVI.2024-07-25T08:31:05.814_1
- Header ID
- GRAVI.2024-07-25T08:31:05.814
- Date updated
- 2024-07-25 08:40:37 UTC+0000
- Release date
- 2025-07-25 08:40:37 UTC+0000
- UTC Start
- 2024-07-25 08:31:05.814
- UTC End
- 2024-07-25 08:33:05.814
- MJD Start
- 60516.3549284
- MJD End
- 60516.3563172889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003304
- Ambient temperature (°C)
- 12.14
- Seeing (arcsec)
- 0.61
Observation
- ID
- 60188
- Category
- science
- Program ID
- 113.26T9.002
- Program Title
- FIRST SYSTEMATIC SEARCH FOR PARSEC-SCALE SUPERMASSIVE BLACK HOLE BINARIES WITH VLTI/GRAVITY
- Program Type
- Normal
- PI / COI
- SHANGGUAN / SHIMIZU / GENZEL / DAVIES / STURM / LUTZ / EISENHAUER / TACCONI / FORSTER SCHREIBER / DEXTER / SANTOS / CAO / HOENIG / PERRIN / PETROV / PAUMARD / CLÉNET / DE ZEEUW / LEFTLEY / SYKES / LI
Target
- ID
- 44690
- Name
- AKN_557
- RA
- 338.127944
- DEC
- 8.20851
Instrument
Projected baselines
Baseline | Length start | Length end | Angle start | Angle end |
---|---|---|---|---|
U1-U2 | 54.0460 | 54.1380 | 35.0000 | 35.1000 |
U1-U3 | 99.6730 | 99.8190 | 40.3000 | 40.3000 |
U1-U4 | 129.8370 | 129.7480 | 62.2200 | 62.1180 |
U2-U3 | 46.1210 | 46.1680 | 46.4000 | 46.4000 |
U2-U4 | 85.4050 | 85.1490 | 79.0240 | 78.9090 |
U3-U4 | 52.7470 | 52.4360 | 107.1030 | 107.1270 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 113.26T9.002 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,DUAL |
MJD-OBS | 60516.3549284 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
HIERARCH ESO OBS TARG NAME | AKN 557 |
HIERARCH ESO INS SOBJ NAME | AKN_557 |
RA | 338.127944 |
DEC | 8.20851 |
HIERARCH ESO INS SPEC RES | LOW |
HIERARCH ESO INS POLA MODE | SPLIT |
HIERARCH ESO ISS CONF NTEL | 4 |
HIERARCH ESO ISS CONF STATION1 | U1 |
HIERARCH ESO ISS CONF STATION2 | U2 |
HIERARCH ESO ISS CONF STATION3 | U3 |
HIERARCH ESO ISS CONF STATION4 | U4 |
EXPTIME | 137.0 |
HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
HIERARCH ESO DET2 NDIT | 12 |
HIERARCH ESO ISS PBL12 START | 54.046 |
HIERARCH ESO ISS PBL12 END | 54.138 |
HIERARCH ESO ISS PBLA12 START | 35.0 |
HIERARCH ESO ISS PBLA12 END | 35.1 |
HIERARCH ESO ISS PBL13 START | 99.673 |
HIERARCH ESO ISS PBL13 END | 99.819 |
HIERARCH ESO ISS PBLA13 START | 40.3 |
HIERARCH ESO ISS PBLA13 END | 40.3 |
HIERARCH ESO ISS PBL14 START | 129.837 |
HIERARCH ESO ISS PBL14 END | 129.748 |
HIERARCH ESO ISS PBLA14 START | 62.22 |
HIERARCH ESO ISS PBLA14 END | 62.118 |
HIERARCH ESO ISS PBL23 START | 46.121 |
HIERARCH ESO ISS PBL23 END | 46.168 |
HIERARCH ESO ISS PBLA23 START | 46.4 |
HIERARCH ESO ISS PBLA23 END | 46.4 |
HIERARCH ESO ISS PBL24 START | 85.405 |
HIERARCH ESO ISS PBL24 END | 85.149 |
HIERARCH ESO ISS PBLA24 START | 79.024 |
HIERARCH ESO ISS PBLA24 END | 78.909 |
HIERARCH ESO ISS PBL34 START | 52.747 |
HIERARCH ESO ISS PBL34 END | 52.436 |
HIERARCH ESO ISS PBLA34 START | 107.103 |
HIERARCH ESO ISS PBLA34 END | 107.127 |
HIERARCH ESO ISS AMBI TAU0 START | 0.003088 |
HIERARCH ESO ISS AMBI TAU0 END | 0.00352 |
HIERARCH ESO ISS AMBI TEMP | 12.14 |
HIERARCH ESO ISS AMBI FWHM START | 0.64 |
HIERARCH ESO ISS AMBI FWHM END | 0.58 |
HIERARCH ESO FT ROBJ NAME | star |
HIERARCH ESO FT ROBJ ALPHA | 223230.558 |
HIERARCH ESO FT ROBJ DELTA | 081236.148 |