Exposure
- ID
- GRAVI.2025-10-07T08:02:22.387_2
- Header ID
- GRAVI.2025-10-07T08:02:22.387
- Date updated
- 2025-10-07 08:15:57 UTC+0000
- Release date
- 2026-10-07 08:15:57 UTC+0000
- UTC Start
- 2025-10-07 08:02:22.387
- UTC End
- 2025-10-07 08:09:02.387
- MJD Start
- 60955.33498133
- MJD End
- 60955.33961095963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042535
- Ambient temperature (°C)
- 10.13
- Seeing (arcsec)
- 0.8049999999999999
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 | 56.5450 | 56.5580 | 32.2000 | 32.6000 |
| U1-U3 | 102.4220 | 102.3750 | 38.2000 | 38.5000 |
| U1-U4 | 128.1770 | 127.5230 | 64.7940 | 65.0640 |
| U2-U3 | 46.5520 | 46.4810 | 45.4000 | 45.7000 |
| U2-U4 | 86.0970 | 85.3530 | 85.5070 | 85.8770 |
| U3-U4 | 58.7280 | 58.1490 | 116.2140 | 116.9040 |
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 | 60955.33498133 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158126 |
| DEC | -13.71896 |
| 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 | 56.545 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 32.2 |
| HIERARCH ESO ISS PBLA12 END | 32.6 |
| HIERARCH ESO ISS PBL13 START | 102.422 |
| HIERARCH ESO ISS PBL13 END | 102.375 |
| HIERARCH ESO ISS PBLA13 START | 38.2 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 128.177 |
| HIERARCH ESO ISS PBL14 END | 127.523 |
| HIERARCH ESO ISS PBLA14 START | 64.794 |
| HIERARCH ESO ISS PBLA14 END | 65.064 |
| HIERARCH ESO ISS PBL23 START | 46.552 |
| HIERARCH ESO ISS PBL23 END | 46.481 |
| HIERARCH ESO ISS PBLA23 START | 45.4 |
| HIERARCH ESO ISS PBLA23 END | 45.7 |
| HIERARCH ESO ISS PBL24 START | 86.097 |
| HIERARCH ESO ISS PBL24 END | 85.353 |
| HIERARCH ESO ISS PBLA24 START | 85.507 |
| HIERARCH ESO ISS PBLA24 END | 85.877 |
| HIERARCH ESO ISS PBL34 START | 58.728 |
| HIERARCH ESO ISS PBL34 END | 58.149 |
| HIERARCH ESO ISS PBLA34 START | 116.214 |
| HIERARCH ESO ISS PBLA34 END | 116.904 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004623 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003884 |
| HIERARCH ESO ISS AMBI TEMP | 10.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |