Exposure
- ID
- GRAVI.2025-10-07T04:28:17.136_2
- Header ID
- GRAVI.2025-10-07T04:28:17.136
- Date updated
- 2025-10-07 04:45:49 UTC+0000
- Release date
- 2026-10-07 04:45:49 UTC+0000
- UTC Start
- 2025-10-07 04:28:17.136
- UTC End
- 2025-10-07 04:34:57.136
- MJD Start
- 60955.18630945
- MJD End
- 60955.19093907963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006580000000000001
- Ambient temperature (°C)
- 12.2
- Seeing (arcsec)
- 0.495
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 | 52.9390 | 53.0290 | 8.5000 | 9.5000 |
| U1-U3 | 93.8560 | 94.1640 | 14.5000 | 15.6000 |
| U1-U4 | 108.7580 | 110.2160 | 44.5540 | 45.7190 |
| U2-U3 | 41.5830 | 41.8190 | 22.2000 | 23.4000 |
| U2-U4 | 72.9790 | 74.3720 | 69.8550 | 70.6490 |
| U3-U4 | 54.4850 | 55.3270 | 104.2120 | 104.3930 |
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 | 60955.18630945 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158316 |
| 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 | 52.939 |
| HIERARCH ESO ISS PBL12 END | 53.029 |
| HIERARCH ESO ISS PBLA12 START | 8.5 |
| HIERARCH ESO ISS PBLA12 END | 9.5 |
| HIERARCH ESO ISS PBL13 START | 93.856 |
| HIERARCH ESO ISS PBL13 END | 94.164 |
| HIERARCH ESO ISS PBLA13 START | 14.5 |
| HIERARCH ESO ISS PBLA13 END | 15.6 |
| HIERARCH ESO ISS PBL14 START | 108.758 |
| HIERARCH ESO ISS PBL14 END | 110.216 |
| HIERARCH ESO ISS PBLA14 START | 44.554 |
| HIERARCH ESO ISS PBLA14 END | 45.719 |
| HIERARCH ESO ISS PBL23 START | 41.583 |
| HIERARCH ESO ISS PBL23 END | 41.819 |
| HIERARCH ESO ISS PBLA23 START | 22.2 |
| HIERARCH ESO ISS PBLA23 END | 23.4 |
| HIERARCH ESO ISS PBL24 START | 72.979 |
| HIERARCH ESO ISS PBL24 END | 74.372 |
| HIERARCH ESO ISS PBLA24 START | 69.855 |
| HIERARCH ESO ISS PBLA24 END | 70.649 |
| HIERARCH ESO ISS PBL34 START | 54.485 |
| HIERARCH ESO ISS PBL34 END | 55.327 |
| HIERARCH ESO ISS PBLA34 START | 104.212 |
| HIERARCH ESO ISS PBLA34 END | 104.393 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006648 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006512 |
| HIERARCH ESO ISS AMBI TEMP | 12.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |