Exposure
- ID
- GRAVI.2025-10-06T03:53:28.549_2
- Header ID
- GRAVI.2025-10-06T03:53:28.549
- Date updated
- 2025-10-06 04:10:59 UTC+0000
- Release date
- 2026-10-06 04:10:58 UTC+0000
- UTC Start
- 2025-10-06 03:53:28.549
- UTC End
- 2025-10-06 04:00:08.549
- MJD Start
- 60954.16213598
- MJD End
- 60954.166765609625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003746
- Ambient temperature (°C)
- 13.22
- Seeing (arcsec)
- 0.485
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 | 52.6170 | 52.6500 | 2.5000 | 3.6000 |
| U1-U3 | 92.4890 | 92.6790 | 8.0000 | 9.2000 |
| U1-U4 | 100.4310 | 101.8940 | 36.9730 | 38.4500 |
| U2-U3 | 40.4140 | 40.5960 | 15.0000 | 16.4000 |
| U2-U4 | 64.3240 | 65.9450 | 64.5240 | 65.5930 |
| U3-U4 | 48.9250 | 50.0080 | 103.4370 | 103.5420 |
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 | 60954.16213598 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.157432 |
| 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 | 52.617 |
| HIERARCH ESO ISS PBL12 END | 52.65 |
| HIERARCH ESO ISS PBLA12 START | 2.5 |
| HIERARCH ESO ISS PBLA12 END | 3.6 |
| HIERARCH ESO ISS PBL13 START | 92.489 |
| HIERARCH ESO ISS PBL13 END | 92.679 |
| HIERARCH ESO ISS PBLA13 START | 8.0 |
| HIERARCH ESO ISS PBLA13 END | 9.2 |
| HIERARCH ESO ISS PBL14 START | 100.431 |
| HIERARCH ESO ISS PBL14 END | 101.894 |
| HIERARCH ESO ISS PBLA14 START | 36.973 |
| HIERARCH ESO ISS PBLA14 END | 38.45 |
| HIERARCH ESO ISS PBL23 START | 40.414 |
| HIERARCH ESO ISS PBL23 END | 40.596 |
| HIERARCH ESO ISS PBLA23 START | 15.0 |
| HIERARCH ESO ISS PBLA23 END | 16.4 |
| HIERARCH ESO ISS PBL24 START | 64.324 |
| HIERARCH ESO ISS PBL24 END | 65.945 |
| HIERARCH ESO ISS PBLA24 START | 64.524 |
| HIERARCH ESO ISS PBLA24 END | 65.593 |
| HIERARCH ESO ISS PBL34 START | 48.925 |
| HIERARCH ESO ISS PBL34 END | 50.008 |
| HIERARCH ESO ISS PBLA34 START | 103.437 |
| HIERARCH ESO ISS PBLA34 END | 103.542 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003285 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004207 |
| HIERARCH ESO ISS AMBI TEMP | 13.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |