Exposure
- ID
- GRAVI.2025-10-07T08:45:49.497_2
- Header ID
- GRAVI.2025-10-07T08:45:49.497
- Date updated
- 2025-10-07 09:01:04 UTC+0000
- Release date
- 2026-10-07 09:01:04 UTC+0000
- UTC Start
- 2025-10-07 08:45:49.497
- UTC End
- 2025-10-07 08:52:29.497
- MJD Start
- 60955.36515622
- MJD End
- 60955.36978584963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027035
- Ambient temperature (°C)
- 10.28
- Seeing (arcsec)
- 1.0550000000000002
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 | 56.3820 | 56.2990 | 34.5000 | 34.8000 |
| U1-U3 | 101.5360 | 101.2630 | 40.1000 | 40.3000 |
| U1-U4 | 122.5380 | 121.3180 | 66.1900 | 66.3430 |
| U2-U3 | 45.7540 | 45.5500 | 47.0000 | 47.2000 |
| U2-U4 | 80.2070 | 79.0190 | 87.8420 | 88.2170 |
| U3-U4 | 54.5200 | 53.7440 | 121.1100 | 122.0190 |
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 | 60955.36515622 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158122 |
| 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 | 56.382 |
| HIERARCH ESO ISS PBL12 END | 56.299 |
| HIERARCH ESO ISS PBLA12 START | 34.5 |
| HIERARCH ESO ISS PBLA12 END | 34.8 |
| HIERARCH ESO ISS PBL13 START | 101.536 |
| HIERARCH ESO ISS PBL13 END | 101.263 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.3 |
| HIERARCH ESO ISS PBL14 START | 122.538 |
| HIERARCH ESO ISS PBL14 END | 121.318 |
| HIERARCH ESO ISS PBLA14 START | 66.19 |
| HIERARCH ESO ISS PBLA14 END | 66.343 |
| HIERARCH ESO ISS PBL23 START | 45.754 |
| HIERARCH ESO ISS PBL23 END | 45.55 |
| HIERARCH ESO ISS PBLA23 START | 47.0 |
| HIERARCH ESO ISS PBLA23 END | 47.2 |
| HIERARCH ESO ISS PBL24 START | 80.207 |
| HIERARCH ESO ISS PBL24 END | 79.019 |
| HIERARCH ESO ISS PBLA24 START | 87.842 |
| HIERARCH ESO ISS PBLA24 END | 88.217 |
| HIERARCH ESO ISS PBL34 START | 54.52 |
| HIERARCH ESO ISS PBL34 END | 53.744 |
| HIERARCH ESO ISS PBLA34 START | 121.11 |
| HIERARCH ESO ISS PBLA34 END | 122.019 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002585 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002822 |
| HIERARCH ESO ISS AMBI TEMP | 10.28 |
| HIERARCH ESO ISS AMBI FWHM START | 1.08 |
| HIERARCH ESO ISS AMBI FWHM END | 1.03 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |