Exposure
- ID
- GRAVI.2025-10-07T05:20:38.270_2
- Header ID
- GRAVI.2025-10-07T05:20:38.270
- Date updated
- 2025-10-07 05:35:43 UTC+0000
- Release date
- 2026-10-07 05:35:42 UTC+0000
- UTC Start
- 2025-10-07 05:20:38.270
- UTC End
- 2025-10-07 05:27:18.270
- MJD Start
- 60955.22266516
- MJD End
- 60955.22729478963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006675
- Ambient temperature (°C)
- 11.74
- Seeing (arcsec)
- 0.54
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 | 53.8200 | 53.9620 | 15.9000 | 16.9000 |
| U1-U3 | 96.5210 | 96.9060 | 22.4000 | 23.4000 |
| U1-U4 | 119.1420 | 120.3360 | 52.2900 | 53.1320 |
| U2-U3 | 43.4680 | 43.7170 | 30.4000 | 31.4000 |
| U2-U4 | 82.2340 | 83.1990 | 75.1170 | 75.6980 |
| U3-U4 | 59.7510 | 60.2420 | 105.8950 | 106.1680 |
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 | 60955.22266516 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158297 |
| DEC | -13.718 |
| 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 | 53.82 |
| HIERARCH ESO ISS PBL12 END | 53.962 |
| HIERARCH ESO ISS PBLA12 START | 15.9 |
| HIERARCH ESO ISS PBLA12 END | 16.9 |
| HIERARCH ESO ISS PBL13 START | 96.521 |
| HIERARCH ESO ISS PBL13 END | 96.906 |
| HIERARCH ESO ISS PBLA13 START | 22.4 |
| HIERARCH ESO ISS PBLA13 END | 23.4 |
| HIERARCH ESO ISS PBL14 START | 119.142 |
| HIERARCH ESO ISS PBL14 END | 120.336 |
| HIERARCH ESO ISS PBLA14 START | 52.29 |
| HIERARCH ESO ISS PBLA14 END | 53.132 |
| HIERARCH ESO ISS PBL23 START | 43.468 |
| HIERARCH ESO ISS PBL23 END | 43.717 |
| HIERARCH ESO ISS PBLA23 START | 30.4 |
| HIERARCH ESO ISS PBLA23 END | 31.4 |
| HIERARCH ESO ISS PBL24 START | 82.234 |
| HIERARCH ESO ISS PBL24 END | 83.199 |
| HIERARCH ESO ISS PBLA24 START | 75.117 |
| HIERARCH ESO ISS PBLA24 END | 75.698 |
| HIERARCH ESO ISS PBL34 START | 59.751 |
| HIERARCH ESO ISS PBL34 END | 60.242 |
| HIERARCH ESO ISS PBLA34 START | 105.895 |
| HIERARCH ESO ISS PBLA34 END | 106.168 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006591 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006759 |
| HIERARCH ESO ISS AMBI TEMP | 11.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |