Exposure
- ID
- GRAVI.2025-10-06T06:31:22.951_2
- Header ID
- GRAVI.2025-10-06T06:31:22.951
- Date updated
- 2025-10-06 06:46:01 UTC+0000
- Release date
- 2026-10-06 06:46:01 UTC+0000
- UTC Start
- 2025-10-06 06:31:22.951
- UTC End
- 2025-10-06 06:38:02.951
- MJD Start
- 60954.27179341
- MJD End
- 60954.27642303963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005981500000000001
- Ambient temperature (°C)
- 12.51
- Seeing (arcsec)
- 0.415
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 | 55.2600 | 55.4020 | 24.1000 | 24.8000 |
| U1-U3 | 100.0950 | 100.4110 | 30.5000 | 31.3000 |
| U1-U4 | 128.1010 | 128.6460 | 59.0850 | 59.6350 |
| U2-U3 | 45.6190 | 45.7890 | 38.4000 | 39.1000 |
| U2-U4 | 88.7140 | 89.0020 | 80.0350 | 80.4720 |
| U3-U4 | 62.4520 | 62.4710 | 109.0580 | 109.4560 |
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 | 60954.27179341 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.157991 |
| DEC | -13.71894 |
| 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 | 55.26 |
| HIERARCH ESO ISS PBL12 END | 55.402 |
| HIERARCH ESO ISS PBLA12 START | 24.1 |
| HIERARCH ESO ISS PBLA12 END | 24.8 |
| HIERARCH ESO ISS PBL13 START | 100.095 |
| HIERARCH ESO ISS PBL13 END | 100.411 |
| HIERARCH ESO ISS PBLA13 START | 30.5 |
| HIERARCH ESO ISS PBLA13 END | 31.3 |
| HIERARCH ESO ISS PBL14 START | 128.101 |
| HIERARCH ESO ISS PBL14 END | 128.646 |
| HIERARCH ESO ISS PBLA14 START | 59.085 |
| HIERARCH ESO ISS PBLA14 END | 59.635 |
| HIERARCH ESO ISS PBL23 START | 45.619 |
| HIERARCH ESO ISS PBL23 END | 45.789 |
| HIERARCH ESO ISS PBLA23 START | 38.4 |
| HIERARCH ESO ISS PBLA23 END | 39.1 |
| HIERARCH ESO ISS PBL24 START | 88.714 |
| HIERARCH ESO ISS PBL24 END | 89.002 |
| HIERARCH ESO ISS PBLA24 START | 80.035 |
| HIERARCH ESO ISS PBLA24 END | 80.472 |
| HIERARCH ESO ISS PBL34 START | 62.452 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 109.058 |
| HIERARCH ESO ISS PBLA34 END | 109.456 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006268 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005695 |
| HIERARCH ESO ISS AMBI TEMP | 12.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |