Exposure
- ID
- GRAVI.2025-10-06T03:46:19.530_2
- Header ID
- GRAVI.2025-10-06T03:46:19.530
- Date updated
- 2025-10-06 04:00:52 UTC+0000
- Release date
- 2026-10-06 04:00:52 UTC+0000
- UTC Start
- 2025-10-06 03:46:19.530
- UTC End
- 2025-10-06 03:52:59.530
- MJD Start
- 60954.15717049
- MJD End
- 60954.161800119626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004081
- Ambient temperature (°C)
- 13.27
- Seeing (arcsec)
- 0.47
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 | 52.5950 | 52.6160 | 1.4000 | 2.5000 |
| U1-U3 | 92.3170 | 92.4810 | 6.7000 | 7.9000 |
| U1-U4 | 98.9180 | 100.3670 | 35.3570 | 36.9070 |
| U2-U3 | 40.2370 | 40.4060 | 13.6000 | 15.0000 |
| U2-U4 | 62.5920 | 64.2520 | 63.3330 | 64.4760 |
| U3-U4 | 47.7470 | 48.8770 | 103.3440 | 103.4330 |
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 | 60954.15717049 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.157433 |
| DEC | -13.71825 |
| 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 | 52.595 |
| HIERARCH ESO ISS PBL12 END | 52.616 |
| HIERARCH ESO ISS PBLA12 START | 1.4 |
| HIERARCH ESO ISS PBLA12 END | 2.5 |
| HIERARCH ESO ISS PBL13 START | 92.317 |
| HIERARCH ESO ISS PBL13 END | 92.481 |
| HIERARCH ESO ISS PBLA13 START | 6.7 |
| HIERARCH ESO ISS PBLA13 END | 7.9 |
| HIERARCH ESO ISS PBL14 START | 98.918 |
| HIERARCH ESO ISS PBL14 END | 100.367 |
| HIERARCH ESO ISS PBLA14 START | 35.357 |
| HIERARCH ESO ISS PBLA14 END | 36.907 |
| HIERARCH ESO ISS PBL23 START | 40.237 |
| HIERARCH ESO ISS PBL23 END | 40.406 |
| HIERARCH ESO ISS PBLA23 START | 13.6 |
| HIERARCH ESO ISS PBLA23 END | 15.0 |
| HIERARCH ESO ISS PBL24 START | 62.592 |
| HIERARCH ESO ISS PBL24 END | 64.252 |
| HIERARCH ESO ISS PBLA24 START | 63.333 |
| HIERARCH ESO ISS PBLA24 END | 64.476 |
| HIERARCH ESO ISS PBL34 START | 47.747 |
| HIERARCH ESO ISS PBL34 END | 48.877 |
| HIERARCH ESO ISS PBLA34 START | 103.344 |
| HIERARCH ESO ISS PBLA34 END | 103.433 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004877 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003285 |
| HIERARCH ESO ISS AMBI TEMP | 13.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |