Exposure
- ID
- GRAVI.2025-10-06T06:45:43.987_2
- Header ID
- GRAVI.2025-10-06T06:45:43.987
- Date updated
- 2025-10-06 07:00:44 UTC+0000
- Release date
- 2026-10-06 07:00:44 UTC+0000
- UTC Start
- 2025-10-06 06:45:43.987
- UTC End
- 2025-10-06 06:52:23.987
- MJD Start
- 60954.28175911
- MJD End
- 60954.28638873963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005456000000000001
- Ambient temperature (°C)
- 12.45
- Seeing (arcsec)
- 0.42
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 | 55.5500 | 55.6830 | 25.6000 | 26.2000 |
| U1-U3 | 100.7340 | 101.0140 | 32.0000 | 32.7000 |
| U1-U4 | 129.1500 | 129.5330 | 60.2050 | 60.7100 |
| U2-U3 | 45.9590 | 46.1010 | 39.8000 | 40.4000 |
| U2-U4 | 89.2320 | 89.3670 | 80.9360 | 81.3590 |
| U3-U4 | 62.4390 | 62.3600 | 109.9070 | 110.3430 |
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 | 60954.28175911 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158017 |
| 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 | 55.55 |
| HIERARCH ESO ISS PBL12 END | 55.683 |
| HIERARCH ESO ISS PBLA12 START | 25.6 |
| HIERARCH ESO ISS PBLA12 END | 26.2 |
| HIERARCH ESO ISS PBL13 START | 100.734 |
| HIERARCH ESO ISS PBL13 END | 101.014 |
| HIERARCH ESO ISS PBLA13 START | 32.0 |
| HIERARCH ESO ISS PBLA13 END | 32.7 |
| HIERARCH ESO ISS PBL14 START | 129.15 |
| HIERARCH ESO ISS PBL14 END | 129.533 |
| HIERARCH ESO ISS PBLA14 START | 60.205 |
| HIERARCH ESO ISS PBLA14 END | 60.71 |
| HIERARCH ESO ISS PBL23 START | 45.959 |
| HIERARCH ESO ISS PBL23 END | 46.101 |
| HIERARCH ESO ISS PBLA23 START | 39.8 |
| HIERARCH ESO ISS PBLA23 END | 40.4 |
| HIERARCH ESO ISS PBL24 START | 89.232 |
| HIERARCH ESO ISS PBL24 END | 89.367 |
| HIERARCH ESO ISS PBLA24 START | 80.936 |
| HIERARCH ESO ISS PBLA24 END | 81.359 |
| HIERARCH ESO ISS PBL34 START | 62.439 |
| HIERARCH ESO ISS PBL34 END | 62.36 |
| HIERARCH ESO ISS PBLA34 START | 109.907 |
| HIERARCH ESO ISS PBLA34 END | 110.343 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005361 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005551 |
| HIERARCH ESO ISS AMBI TEMP | 12.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |