Exposure
- ID
- GRAVI.2025-10-06T07:15:20.063_2
- Header ID
- GRAVI.2025-10-06T07:15:20.063
- Date updated
- 2025-10-06 07:30:40 UTC+0000
- Release date
- 2026-10-06 07:30:40 UTC+0000
- UTC Start
- 2025-10-06 07:15:20.063
- UTC End
- 2025-10-06 07:22:00.063
- MJD Start
- 60954.30231554
- MJD End
- 60954.30694516963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0049085
- Ambient temperature (°C)
- 12.32
- Seeing (arcsec)
- 0.4
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 | 56.0680 | 56.1670 | 28.3000 | 28.9000 |
| U1-U3 | 101.7800 | 101.9600 | 34.6000 | 35.2000 |
| U1-U4 | 130.1910 | 130.2050 | 62.2120 | 62.6230 |
| U2-U3 | 46.4590 | 46.5310 | 42.3000 | 42.8000 |
| U2-U4 | 89.2770 | 89.0870 | 82.6950 | 83.0880 |
| U3-U4 | 61.7700 | 61.4940 | 111.8970 | 112.4090 |
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 | 60954.30231554 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158087 |
| DEC | -13.71898 |
| 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 | 56.068 |
| HIERARCH ESO ISS PBL12 END | 56.167 |
| HIERARCH ESO ISS PBLA12 START | 28.3 |
| HIERARCH ESO ISS PBLA12 END | 28.9 |
| HIERARCH ESO ISS PBL13 START | 101.78 |
| HIERARCH ESO ISS PBL13 END | 101.96 |
| HIERARCH ESO ISS PBLA13 START | 34.6 |
| HIERARCH ESO ISS PBLA13 END | 35.2 |
| HIERARCH ESO ISS PBL14 START | 130.191 |
| HIERARCH ESO ISS PBL14 END | 130.205 |
| HIERARCH ESO ISS PBLA14 START | 62.212 |
| HIERARCH ESO ISS PBLA14 END | 62.623 |
| HIERARCH ESO ISS PBL23 START | 46.459 |
| HIERARCH ESO ISS PBL23 END | 46.531 |
| HIERARCH ESO ISS PBLA23 START | 42.3 |
| HIERARCH ESO ISS PBLA23 END | 42.8 |
| HIERARCH ESO ISS PBL24 START | 89.277 |
| HIERARCH ESO ISS PBL24 END | 89.087 |
| HIERARCH ESO ISS PBLA24 START | 82.695 |
| HIERARCH ESO ISS PBLA24 END | 83.088 |
| HIERARCH ESO ISS PBL34 START | 61.77 |
| HIERARCH ESO ISS PBL34 END | 61.494 |
| HIERARCH ESO ISS PBLA34 START | 111.897 |
| HIERARCH ESO ISS PBLA34 END | 112.409 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004402 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005415 |
| HIERARCH ESO ISS AMBI TEMP | 12.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |