Exposure
- ID
- GRAVI.2025-10-07T08:09:31.405_2
- Header ID
- GRAVI.2025-10-07T08:09:31.405
- Date updated
- 2025-10-07 08:21:28 UTC+0000
- Release date
- 2026-10-07 08:21:28 UTC+0000
- UTC Start
- 2025-10-07 08:09:31.405
- UTC End
- 2025-10-07 08:16:11.405
- MJD Start
- 60955.33994682
- MJD End
- 60955.34457644963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003735
- Ambient temperature (°C)
- 10.2
- Seeing (arcsec)
- 0.865
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 | 56.5580 | 56.5570 | 32.7000 | 33.1000 |
| U1-U3 | 102.3730 | 102.2910 | 38.5000 | 38.9000 |
| U1-U4 | 127.5000 | 126.7510 | 65.0730 | 65.3240 |
| U2-U3 | 46.4780 | 46.3860 | 45.7000 | 46.0000 |
| U2-U4 | 85.3260 | 84.5060 | 85.8890 | 86.2590 |
| U3-U4 | 58.1290 | 57.5130 | 116.9280 | 117.6500 |
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 | 60955.33994682 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158131 |
| DEC | -13.71896 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.557 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 102.373 |
| HIERARCH ESO ISS PBL13 END | 102.291 |
| HIERARCH ESO ISS PBLA13 START | 38.5 |
| HIERARCH ESO ISS PBLA13 END | 38.9 |
| HIERARCH ESO ISS PBL14 START | 127.5 |
| HIERARCH ESO ISS PBL14 END | 126.751 |
| HIERARCH ESO ISS PBLA14 START | 65.073 |
| HIERARCH ESO ISS PBLA14 END | 65.324 |
| HIERARCH ESO ISS PBL23 START | 46.478 |
| HIERARCH ESO ISS PBL23 END | 46.386 |
| HIERARCH ESO ISS PBLA23 START | 45.7 |
| HIERARCH ESO ISS PBLA23 END | 46.0 |
| HIERARCH ESO ISS PBL24 START | 85.326 |
| HIERARCH ESO ISS PBL24 END | 84.506 |
| HIERARCH ESO ISS PBLA24 START | 85.889 |
| HIERARCH ESO ISS PBLA24 END | 86.259 |
| HIERARCH ESO ISS PBL34 START | 58.129 |
| HIERARCH ESO ISS PBL34 END | 57.513 |
| HIERARCH ESO ISS PBLA34 START | 116.928 |
| HIERARCH ESO ISS PBLA34 END | 117.65 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003884 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003586 |
| HIERARCH ESO ISS AMBI TEMP | 10.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |