Exposure
- ID
- GRAVI.2025-10-07T06:04:41.382_2
- Header ID
- GRAVI.2025-10-07T06:04:41.382
- Date updated
- 2025-10-07 06:20:29 UTC+0000
- Release date
- 2026-10-07 06:20:29 UTC+0000
- UTC Start
- 2025-10-07 06:04:41.382
- UTC End
- 2025-10-07 06:11:21.382
- MJD Start
- 60955.25325674
- MJD End
- 60955.257886369625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061715
- Ambient temperature (°C)
- 11.13
- Seeing (arcsec)
- 0.46499999999999997
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 | 54.7690 | 54.9200 | 21.5000 | 22.3000 |
| U1-U3 | 98.9520 | 99.3120 | 28.0000 | 28.8000 |
| U1-U4 | 125.7540 | 126.5500 | 57.0900 | 57.7290 |
| U2-U3 | 44.9730 | 45.1810 | 36.0000 | 36.8000 |
| U2-U4 | 87.2420 | 87.7720 | 78.5190 | 78.9950 |
| U3-U4 | 62.0440 | 62.2240 | 107.8480 | 108.2020 |
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 | 60955.25325674 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158295 |
| DEC | -13.71806 |
| 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 | 54.769 |
| HIERARCH ESO ISS PBL12 END | 54.92 |
| HIERARCH ESO ISS PBLA12 START | 21.5 |
| HIERARCH ESO ISS PBLA12 END | 22.3 |
| HIERARCH ESO ISS PBL13 START | 98.952 |
| HIERARCH ESO ISS PBL13 END | 99.312 |
| HIERARCH ESO ISS PBLA13 START | 28.0 |
| HIERARCH ESO ISS PBLA13 END | 28.8 |
| HIERARCH ESO ISS PBL14 START | 125.754 |
| HIERARCH ESO ISS PBL14 END | 126.55 |
| HIERARCH ESO ISS PBLA14 START | 57.09 |
| HIERARCH ESO ISS PBLA14 END | 57.729 |
| HIERARCH ESO ISS PBL23 START | 44.973 |
| HIERARCH ESO ISS PBL23 END | 45.181 |
| HIERARCH ESO ISS PBLA23 START | 36.0 |
| HIERARCH ESO ISS PBLA23 END | 36.8 |
| HIERARCH ESO ISS PBL24 START | 87.242 |
| HIERARCH ESO ISS PBL24 END | 87.772 |
| HIERARCH ESO ISS PBLA24 START | 78.519 |
| HIERARCH ESO ISS PBLA24 END | 78.995 |
| HIERARCH ESO ISS PBL34 START | 62.044 |
| HIERARCH ESO ISS PBL34 END | 62.224 |
| HIERARCH ESO ISS PBLA34 START | 107.848 |
| HIERARCH ESO ISS PBLA34 END | 108.202 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005717 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006626 |
| HIERARCH ESO ISS AMBI TEMP | 11.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |