Exposure
- ID
- GRAVI.2025-10-07T08:31:31.461_2
- Header ID
- GRAVI.2025-10-07T08:31:31.461
- Date updated
- 2025-10-07 08:45:48 UTC+0000
- Release date
- 2026-10-07 08:45:48 UTC+0000
- UTC Start
- 2025-10-07 08:31:31.461
- UTC End
- 2025-10-07 08:38:11.461
- MJD Start
- 60955.35522524
- MJD End
- 60955.359854869625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028275
- Ambient temperature (°C)
- 10.54
- Seeing (arcsec)
- 0.775
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 | 56.5020 | 56.4530 | 33.9000 | 34.2000 |
| U1-U3 | 101.9860 | 101.7900 | 39.6000 | 39.9000 |
| U1-U4 | 124.7930 | 123.7590 | 65.8110 | 66.0030 |
| U2-U3 | 46.1100 | 45.9510 | 46.6000 | 46.8000 |
| U2-U4 | 82.4590 | 81.4150 | 87.0680 | 87.4380 |
| U3-U4 | 56.0460 | 55.3290 | 119.3450 | 120.1710 |
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 | 60955.35522524 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158123 |
| DEC | -13.71897 |
| 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 | 56.502 |
| HIERARCH ESO ISS PBL12 END | 56.453 |
| HIERARCH ESO ISS PBLA12 START | 33.9 |
| HIERARCH ESO ISS PBLA12 END | 34.2 |
| HIERARCH ESO ISS PBL13 START | 101.986 |
| HIERARCH ESO ISS PBL13 END | 101.79 |
| HIERARCH ESO ISS PBLA13 START | 39.6 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 124.793 |
| HIERARCH ESO ISS PBL14 END | 123.759 |
| HIERARCH ESO ISS PBLA14 START | 65.811 |
| HIERARCH ESO ISS PBLA14 END | 66.003 |
| HIERARCH ESO ISS PBL23 START | 46.11 |
| HIERARCH ESO ISS PBL23 END | 45.951 |
| HIERARCH ESO ISS PBLA23 START | 46.6 |
| HIERARCH ESO ISS PBLA23 END | 46.8 |
| HIERARCH ESO ISS PBL24 START | 82.459 |
| HIERARCH ESO ISS PBL24 END | 81.415 |
| HIERARCH ESO ISS PBLA24 START | 87.068 |
| HIERARCH ESO ISS PBLA24 END | 87.438 |
| HIERARCH ESO ISS PBL34 START | 56.046 |
| HIERARCH ESO ISS PBL34 END | 55.329 |
| HIERARCH ESO ISS PBLA34 START | 119.345 |
| HIERARCH ESO ISS PBLA34 END | 120.171 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003086 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002569 |
| HIERARCH ESO ISS AMBI TEMP | 10.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |