Exposure
- ID
- GRAVI.2025-10-07T04:57:29.211_2
- Header ID
- GRAVI.2025-10-07T04:57:29.211
- Date updated
- 2025-10-07 05:15:56 UTC+0000
- Release date
- 2026-10-07 05:15:56 UTC+0000
- UTC Start
- 2025-10-07 04:57:29.211
- UTC End
- 2025-10-07 05:04:09.211
- MJD Start
- 60955.20658809
- MJD End
- 60955.211217719625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058575
- Ambient temperature (°C)
- 11.91
- Seeing (arcsec)
- 0.48
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 | 53.3790 | 53.5030 | 12.7000 | 13.7000 |
| U1-U3 | 95.2650 | 95.6300 | 19.0000 | 20.1000 |
| U1-U4 | 114.7870 | 116.1320 | 49.1740 | 50.1490 |
| U2-U3 | 42.6180 | 42.8710 | 27.0000 | 28.0000 |
| U2-U4 | 78.5370 | 79.7080 | 72.9920 | 73.6540 |
| U3-U4 | 57.7510 | 58.4020 | 105.0650 | 105.2980 |
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 | 60955.20658809 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158306 |
| DEC | -13.71798 |
| 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 | 53.379 |
| HIERARCH ESO ISS PBL12 END | 53.503 |
| HIERARCH ESO ISS PBLA12 START | 12.7 |
| HIERARCH ESO ISS PBLA12 END | 13.7 |
| HIERARCH ESO ISS PBL13 START | 95.265 |
| HIERARCH ESO ISS PBL13 END | 95.63 |
| HIERARCH ESO ISS PBLA13 START | 19.0 |
| HIERARCH ESO ISS PBLA13 END | 20.1 |
| HIERARCH ESO ISS PBL14 START | 114.787 |
| HIERARCH ESO ISS PBL14 END | 116.132 |
| HIERARCH ESO ISS PBLA14 START | 49.174 |
| HIERARCH ESO ISS PBLA14 END | 50.149 |
| HIERARCH ESO ISS PBL23 START | 42.618 |
| HIERARCH ESO ISS PBL23 END | 42.871 |
| HIERARCH ESO ISS PBLA23 START | 27.0 |
| HIERARCH ESO ISS PBLA23 END | 28.0 |
| HIERARCH ESO ISS PBL24 START | 78.537 |
| HIERARCH ESO ISS PBL24 END | 79.708 |
| HIERARCH ESO ISS PBLA24 START | 72.992 |
| HIERARCH ESO ISS PBLA24 END | 73.654 |
| HIERARCH ESO ISS PBL34 START | 57.751 |
| HIERARCH ESO ISS PBL34 END | 58.402 |
| HIERARCH ESO ISS PBLA34 START | 105.065 |
| HIERARCH ESO ISS PBLA34 END | 105.298 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006676 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005039 |
| HIERARCH ESO ISS AMBI TEMP | 11.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |