Exposure
- ID
- GRAVI.2025-10-07T04:35:23.155_2
- Header ID
- GRAVI.2025-10-07T04:35:23.155
- Date updated
- 2025-10-07 04:50:30 UTC+0000
- Release date
- 2026-10-07 04:50:30 UTC+0000
- UTC Start
- 2025-10-07 04:35:23.155
- UTC End
- 2025-10-07 04:42:03.155
- MJD Start
- 60955.19124022
- MJD End
- 60955.19586984963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006532
- Ambient temperature (°C)
- 12.08
- Seeing (arcsec)
- 0.515
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 | 53.0320 | 53.1320 | 9.5000 | 10.5000 |
| U1-U3 | 94.1750 | 94.5020 | 15.6000 | 16.7000 |
| U1-U4 | 110.2650 | 111.7160 | 45.7570 | 46.8820 |
| U2-U3 | 41.8270 | 42.0710 | 23.4000 | 24.6000 |
| U2-U4 | 74.4180 | 75.7710 | 70.6760 | 71.4390 |
| U3-U4 | 55.3550 | 56.1590 | 104.4000 | 104.5950 |
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 | 60955.19124022 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158311 |
| DEC | -13.71796 |
| 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 | 53.032 |
| HIERARCH ESO ISS PBL12 END | 53.132 |
| HIERARCH ESO ISS PBLA12 START | 9.5 |
| HIERARCH ESO ISS PBLA12 END | 10.5 |
| HIERARCH ESO ISS PBL13 START | 94.175 |
| HIERARCH ESO ISS PBL13 END | 94.502 |
| HIERARCH ESO ISS PBLA13 START | 15.6 |
| HIERARCH ESO ISS PBLA13 END | 16.7 |
| HIERARCH ESO ISS PBL14 START | 110.265 |
| HIERARCH ESO ISS PBL14 END | 111.716 |
| HIERARCH ESO ISS PBLA14 START | 45.757 |
| HIERARCH ESO ISS PBLA14 END | 46.882 |
| HIERARCH ESO ISS PBL23 START | 41.827 |
| HIERARCH ESO ISS PBL23 END | 42.071 |
| HIERARCH ESO ISS PBLA23 START | 23.4 |
| HIERARCH ESO ISS PBLA23 END | 24.6 |
| HIERARCH ESO ISS PBL24 START | 74.418 |
| HIERARCH ESO ISS PBL24 END | 75.771 |
| HIERARCH ESO ISS PBLA24 START | 70.676 |
| HIERARCH ESO ISS PBLA24 END | 71.439 |
| HIERARCH ESO ISS PBL34 START | 55.355 |
| HIERARCH ESO ISS PBL34 END | 56.159 |
| HIERARCH ESO ISS PBLA34 START | 104.4 |
| HIERARCH ESO ISS PBLA34 END | 104.595 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006512 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006552 |
| HIERARCH ESO ISS AMBI TEMP | 12.08 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |