Exposure
- ID
- GRAVI.2025-11-10T04:42:28.149_2
- Header ID
- GRAVI.2025-11-10T04:42:28.149
- Date updated
- 2025-11-10 04:55:54 UTC+0000
- Release date
- 2026-11-10 04:55:54 UTC+0000
- UTC Start
- 2025-11-10 04:42:28.149
- UTC End
- 2025-11-10 04:49:08.149
- MJD Start
- 60989.19615913
- MJD End
- 60989.20078875963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005272499999999999
- Ambient temperature (°C)
- 13.52
- Seeing (arcsec)
- 0.525
Observation
- ID
- 70771
- Category
- science
- Program ID
- 116.28X8.001
- Program Title
- PRECISION BLACK HOLE MASSES AT COSMIC NOON WITH GRAVITY+
- Program Type
- Normal
- PI / COI
- SHIMIZU / EISENHAUER / GENZEL / SHANGGUAN / DAVIES / STURM / LUTZ / SANTOS / CAO / TACCONI / FORSTER SCHREIBER / HOENIG / MILLOUR / LEFTLEY / PAUMARD / PETROV / CLÉNET / LOPEZ / PERRIN / BRANDNER / GARCIA / STRAUBMEIER / LE BOUQUIN / KREIDBERG / WOLF / SY
Target
- ID
- 52505
- Name
- J0312-1343
- RA
- 48.160695833333335
- DEC
- -13.718732222222222
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.8180 | 55.9360 | 27.0000 | 27.6000 |
| U1-U3 | 101.2930 | 101.5270 | 33.3000 | 33.9000 |
| U1-U4 | 129.8510 | 130.0560 | 61.2370 | 61.6940 |
| U2-U3 | 46.2380 | 46.3470 | 41.0000 | 41.6000 |
| U2-U4 | 89.4270 | 89.4050 | 81.8140 | 82.2190 |
| U3-U4 | 62.2210 | 62.0450 | 110.8400 | 111.3090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28X8.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60989.19615913 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158009 |
| DEC | -13.71899 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 55.818 |
| HIERARCH ESO ISS PBL12 END | 55.936 |
| HIERARCH ESO ISS PBLA12 START | 27.0 |
| HIERARCH ESO ISS PBLA12 END | 27.6 |
| HIERARCH ESO ISS PBL13 START | 101.293 |
| HIERARCH ESO ISS PBL13 END | 101.527 |
| HIERARCH ESO ISS PBLA13 START | 33.3 |
| HIERARCH ESO ISS PBLA13 END | 33.9 |
| HIERARCH ESO ISS PBL14 START | 129.851 |
| HIERARCH ESO ISS PBL14 END | 130.056 |
| HIERARCH ESO ISS PBLA14 START | 61.237 |
| HIERARCH ESO ISS PBLA14 END | 61.694 |
| HIERARCH ESO ISS PBL23 START | 46.238 |
| HIERARCH ESO ISS PBL23 END | 46.347 |
| HIERARCH ESO ISS PBLA23 START | 41.0 |
| HIERARCH ESO ISS PBLA23 END | 41.6 |
| HIERARCH ESO ISS PBL24 START | 89.427 |
| HIERARCH ESO ISS PBL24 END | 89.405 |
| HIERARCH ESO ISS PBLA24 START | 81.814 |
| HIERARCH ESO ISS PBLA24 END | 82.219 |
| HIERARCH ESO ISS PBL34 START | 62.221 |
| HIERARCH ESO ISS PBL34 END | 62.045 |
| HIERARCH ESO ISS PBLA34 START | 110.84 |
| HIERARCH ESO ISS PBLA34 END | 111.309 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005293 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005252 |
| HIERARCH ESO ISS AMBI TEMP | 13.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |