Exposure
- ID
- GRAVI.2025-10-07T05:42:32.326_2
- Header ID
- GRAVI.2025-10-07T05:42:32.326
- Date updated
- 2025-10-07 05:56:18 UTC+0000
- Release date
- 2026-10-07 05:56:18 UTC+0000
- UTC Start
- 2025-10-07 05:42:32.326
- UTC End
- 2025-10-07 05:49:12.326
- MJD Start
- 60955.23787414
- MJD End
- 60955.24250376963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004981
- Ambient temperature (°C)
- 11.52
- Seeing (arcsec)
- 0.635
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 | 54.2830 | 54.4340 | 18.8000 | 19.7000 |
| U1-U3 | 97.7450 | 98.1280 | 25.3000 | 26.2000 |
| U1-U4 | 122.7400 | 123.7510 | 54.8430 | 55.5770 |
| U2-U3 | 44.2470 | 44.4810 | 33.3000 | 34.2000 |
| U2-U4 | 85.0690 | 85.8230 | 76.8950 | 77.4180 |
| U3-U4 | 61.1400 | 61.4760 | 106.8030 | 107.1150 |
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 | 60955.23787414 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158288 |
| DEC | -13.71802 |
| 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 | 54.283 |
| HIERARCH ESO ISS PBL12 END | 54.434 |
| HIERARCH ESO ISS PBLA12 START | 18.8 |
| HIERARCH ESO ISS PBLA12 END | 19.7 |
| HIERARCH ESO ISS PBL13 START | 97.745 |
| HIERARCH ESO ISS PBL13 END | 98.128 |
| HIERARCH ESO ISS PBLA13 START | 25.3 |
| HIERARCH ESO ISS PBLA13 END | 26.2 |
| HIERARCH ESO ISS PBL14 START | 122.74 |
| HIERARCH ESO ISS PBL14 END | 123.751 |
| HIERARCH ESO ISS PBLA14 START | 54.843 |
| HIERARCH ESO ISS PBLA14 END | 55.577 |
| HIERARCH ESO ISS PBL23 START | 44.247 |
| HIERARCH ESO ISS PBL23 END | 44.481 |
| HIERARCH ESO ISS PBLA23 START | 33.3 |
| HIERARCH ESO ISS PBLA23 END | 34.2 |
| HIERARCH ESO ISS PBL24 START | 85.069 |
| HIERARCH ESO ISS PBL24 END | 85.823 |
| HIERARCH ESO ISS PBLA24 START | 76.895 |
| HIERARCH ESO ISS PBLA24 END | 77.418 |
| HIERARCH ESO ISS PBL34 START | 61.14 |
| HIERARCH ESO ISS PBL34 END | 61.476 |
| HIERARCH ESO ISS PBLA34 START | 106.803 |
| HIERARCH ESO ISS PBLA34 END | 107.115 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004451 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005511 |
| HIERARCH ESO ISS AMBI TEMP | 11.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |