Exposure
- ID
- GRAVI.2025-10-07T03:59:17.063_2
- Header ID
- GRAVI.2025-10-07T03:59:17.063
- Date updated
- 2025-10-07 04:16:06 UTC+0000
- Release date
- 2026-10-07 04:16:06 UTC+0000
- UTC Start
- 2025-10-07 03:59:17.063
- UTC End
- 2025-10-07 04:05:57.063
- MJD Start
- 60955.16616971
- MJD End
- 60955.17079933963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005669
- Ambient temperature (°C)
- 12.53
- Seeing (arcsec)
- 0.42
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 | 52.6670 | 52.7150 | 4.0000 | 5.1000 |
| U1-U3 | 92.7660 | 92.9910 | 9.6000 | 10.8000 |
| U1-U4 | 102.5070 | 103.9950 | 39.0470 | 40.4480 |
| U2-U3 | 40.6760 | 40.8760 | 16.9000 | 18.2000 |
| U2-U4 | 66.6100 | 68.1910 | 66.0200 | 67.0120 |
| U3-U4 | 50.4460 | 51.4760 | 103.5900 | 103.7160 |
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 | 60955.16616971 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | J0312-1343 |
| HIERARCH ESO INS SOBJ NAME | J0312-1343 |
| RA | 48.158332 |
| DEC | -13.71794 |
| 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 | 52.667 |
| HIERARCH ESO ISS PBL12 END | 52.715 |
| HIERARCH ESO ISS PBLA12 START | 4.0 |
| HIERARCH ESO ISS PBLA12 END | 5.1 |
| HIERARCH ESO ISS PBL13 START | 92.766 |
| HIERARCH ESO ISS PBL13 END | 92.991 |
| HIERARCH ESO ISS PBLA13 START | 9.6 |
| HIERARCH ESO ISS PBLA13 END | 10.8 |
| HIERARCH ESO ISS PBL14 START | 102.507 |
| HIERARCH ESO ISS PBL14 END | 103.995 |
| HIERARCH ESO ISS PBLA14 START | 39.047 |
| HIERARCH ESO ISS PBLA14 END | 40.448 |
| HIERARCH ESO ISS PBL23 START | 40.676 |
| HIERARCH ESO ISS PBL23 END | 40.876 |
| HIERARCH ESO ISS PBLA23 START | 16.9 |
| HIERARCH ESO ISS PBLA23 END | 18.2 |
| HIERARCH ESO ISS PBL24 START | 66.61 |
| HIERARCH ESO ISS PBL24 END | 68.191 |
| HIERARCH ESO ISS PBLA24 START | 66.02 |
| HIERARCH ESO ISS PBLA24 END | 67.012 |
| HIERARCH ESO ISS PBL34 START | 50.446 |
| HIERARCH ESO ISS PBL34 END | 51.476 |
| HIERARCH ESO ISS PBLA34 START | 103.59 |
| HIERARCH ESO ISS PBLA34 END | 103.716 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005765 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005573 |
| HIERARCH ESO ISS AMBI TEMP | 12.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | J0312-1343 |
| HIERARCH ESO FT ROBJ ALPHA | 031238.567 |
| HIERARCH ESO FT ROBJ DELTA | -134307.436 |