Exposure
- ID
- GRAVI.2025-11-10T07:07:14.541_2
- Header ID
- GRAVI.2025-11-10T07:07:14.541
- Date updated
- 2025-11-10 07:25:52 UTC+0000
- Release date
- 2026-11-10 07:25:52 UTC+0000
- UTC Start
- 2025-11-10 07:07:14.541
- UTC End
- 2025-11-10 07:13:54.541
- MJD Start
- 60989.29669608
- MJD End
- 60989.301325709625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050125
- Ambient temperature (°C)
- 12.53
- Seeing (arcsec)
- 0.445
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 | 55.7880 | 55.6200 | 35.7000 | 35.9000 |
| U1-U3 | 99.7430 | 99.2770 | 41.0000 | 41.1000 |
| U1-U4 | 115.3770 | 113.7170 | 66.7670 | 66.8160 |
| U2-U3 | 44.4860 | 44.1730 | 47.6000 | 47.6000 |
| U2-U4 | 73.4310 | 71.9100 | 89.8160 | 90.2220 |
| U3-U4 | 50.3150 | 49.4360 | 126.2480 | 127.4090 |
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 | 60989.29669608 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.157534 |
| DEC | -13.71827 |
| 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 | 55.788 |
| HIERARCH ESO ISS PBL12 END | 55.62 |
| HIERARCH ESO ISS PBLA12 START | 35.7 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 99.743 |
| HIERARCH ESO ISS PBL13 END | 99.277 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.1 |
| HIERARCH ESO ISS PBL14 START | 115.377 |
| HIERARCH ESO ISS PBL14 END | 113.717 |
| HIERARCH ESO ISS PBLA14 START | 66.767 |
| HIERARCH ESO ISS PBLA14 END | 66.816 |
| HIERARCH ESO ISS PBL23 START | 44.486 |
| HIERARCH ESO ISS PBL23 END | 44.173 |
| HIERARCH ESO ISS PBLA23 START | 47.6 |
| HIERARCH ESO ISS PBLA23 END | 47.6 |
| HIERARCH ESO ISS PBL24 START | 73.431 |
| HIERARCH ESO ISS PBL24 END | 71.91 |
| HIERARCH ESO ISS PBLA24 START | 89.816 |
| HIERARCH ESO ISS PBLA24 END | 90.222 |
| HIERARCH ESO ISS PBL34 START | 50.315 |
| HIERARCH ESO ISS PBL34 END | 49.436 |
| HIERARCH ESO ISS PBLA34 START | 126.248 |
| HIERARCH ESO ISS PBLA34 END | 127.409 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005198 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004827 |
| HIERARCH ESO ISS AMBI TEMP | 12.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |