Exposure
- ID
- GRAVI.2025-10-06T04:11:22.594_2
- Header ID
- GRAVI.2025-10-06T04:11:22.594
- Date updated
- 2025-10-06 04:25:48 UTC+0000
- Release date
- 2026-10-06 04:25:48 UTC+0000
- UTC Start
- 2025-10-06 04:11:22.594
- UTC End
- 2025-10-06 04:18:02.594
- MJD Start
- 60954.17456706
- MJD End
- 60954.17919668963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039575
- Ambient temperature (°C)
- 13.23
- Seeing (arcsec)
- 0.5
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 | 52.7240 | 52.7850 | 5.3000 | 6.3000 |
| U1-U3 | 93.0340 | 93.2840 | 11.0000 | 12.2000 |
| U1-U4 | 104.2640 | 105.7490 | 40.6940 | 42.0200 |
| U2-U3 | 40.9130 | 41.1250 | 18.4000 | 19.7000 |
| U2-U4 | 68.4720 | 70.0000 | 67.1850 | 68.1100 |
| U3-U4 | 51.6570 | 52.6320 | 103.7400 | 103.8820 |
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 | 60954.17456706 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.157471 |
| DEC | -13.71824 |
| 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 | 52.724 |
| HIERARCH ESO ISS PBL12 END | 52.785 |
| HIERARCH ESO ISS PBLA12 START | 5.3 |
| HIERARCH ESO ISS PBLA12 END | 6.3 |
| HIERARCH ESO ISS PBL13 START | 93.034 |
| HIERARCH ESO ISS PBL13 END | 93.284 |
| HIERARCH ESO ISS PBLA13 START | 11.0 |
| HIERARCH ESO ISS PBLA13 END | 12.2 |
| HIERARCH ESO ISS PBL14 START | 104.264 |
| HIERARCH ESO ISS PBL14 END | 105.749 |
| HIERARCH ESO ISS PBLA14 START | 40.694 |
| HIERARCH ESO ISS PBLA14 END | 42.02 |
| HIERARCH ESO ISS PBL23 START | 40.913 |
| HIERARCH ESO ISS PBL23 END | 41.125 |
| HIERARCH ESO ISS PBLA23 START | 18.4 |
| HIERARCH ESO ISS PBLA23 END | 19.7 |
| HIERARCH ESO ISS PBL24 START | 68.472 |
| HIERARCH ESO ISS PBL24 END | 70.0 |
| HIERARCH ESO ISS PBLA24 START | 67.185 |
| HIERARCH ESO ISS PBLA24 END | 68.11 |
| HIERARCH ESO ISS PBL34 START | 51.657 |
| HIERARCH ESO ISS PBL34 END | 52.632 |
| HIERARCH ESO ISS PBLA34 START | 103.74 |
| HIERARCH ESO ISS PBLA34 END | 103.882 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00345 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004465 |
| HIERARCH ESO ISS AMBI TEMP | 13.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |