Exposure
- ID
- GRAVI.2025-10-07T05:27:47.288_2
- Header ID
- GRAVI.2025-10-07T05:27:47.288
- Date updated
- 2025-10-07 05:45:54 UTC+0000
- Release date
- 2026-10-07 05:45:53 UTC+0000
- UTC Start
- 2025-10-07 05:27:47.288
- UTC End
- 2025-10-07 05:34:27.288
- MJD Start
- 60955.22763065
- MJD End
- 60955.23226027963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005881
- Ambient temperature (°C)
- 11.58
- Seeing (arcsec)
- 0.52
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 | 53.9660 | 54.1130 | 16.9000 | 17.8000 |
| U1-U3 | 96.9170 | 97.3050 | 23.4000 | 24.3000 |
| U1-U4 | 120.3690 | 121.5130 | 53.1560 | 53.9660 |
| U2-U3 | 43.7250 | 43.9720 | 31.4000 | 32.3000 |
| U2-U4 | 83.2260 | 84.1270 | 75.7150 | 76.2780 |
| U3-U4 | 60.2550 | 60.6970 | 106.1760 | 106.4630 |
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 | 60955.22763065 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158296 |
| 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 | 53.966 |
| HIERARCH ESO ISS PBL12 END | 54.113 |
| HIERARCH ESO ISS PBLA12 START | 16.9 |
| HIERARCH ESO ISS PBLA12 END | 17.8 |
| HIERARCH ESO ISS PBL13 START | 96.917 |
| HIERARCH ESO ISS PBL13 END | 97.305 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.3 |
| HIERARCH ESO ISS PBL14 START | 120.369 |
| HIERARCH ESO ISS PBL14 END | 121.513 |
| HIERARCH ESO ISS PBLA14 START | 53.156 |
| HIERARCH ESO ISS PBLA14 END | 53.966 |
| HIERARCH ESO ISS PBL23 START | 43.725 |
| HIERARCH ESO ISS PBL23 END | 43.972 |
| HIERARCH ESO ISS PBLA23 START | 31.4 |
| HIERARCH ESO ISS PBLA23 END | 32.3 |
| HIERARCH ESO ISS PBL24 START | 83.226 |
| HIERARCH ESO ISS PBL24 END | 84.127 |
| HIERARCH ESO ISS PBLA24 START | 75.715 |
| HIERARCH ESO ISS PBLA24 END | 76.278 |
| HIERARCH ESO ISS PBL34 START | 60.255 |
| HIERARCH ESO ISS PBL34 END | 60.697 |
| HIERARCH ESO ISS PBLA34 START | 106.176 |
| HIERARCH ESO ISS PBLA34 END | 106.463 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006759 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005003 |
| HIERARCH ESO ISS AMBI TEMP | 11.58 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| 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 |