Exposure
- ID
- GRAVI.2024-03-30T09:02:02.756_2
- Header ID
- GRAVI.2024-03-30T09:02:02.756
- Date updated
- 2024-03-30 09:20:31 UTC+0000
- Release date
- 2025-03-30 09:20:31 UTC+0000
- UTC Start
- 2024-03-30 09:02:02.756
- UTC End
- 2024-03-30 09:08:02.756
- MJD Start
- 60399.37642079
- MJD End
- 60399.3805874567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008489
- Ambient temperature (°C)
- 14.49
- Seeing (arcsec)
- 0.485
Observation
- ID
- 58883
- Category
- science
- Program ID
- 112.25GV.001
- Program Title
- DETECTING UNAMBIGUOUS SINGLE STELLAR MASS BLACK HOLES BY MICROLENSING AND INTERFEROMETRY
- Program Type
- Normal
- PI / COI
- MéRAND/ DONG/ CASSAN/ GOULD/ WOILLEZ/ MROZ/ POLESKI/ UDALSKI/ ABSIL/ RANC/ WYRZYKOWSKI/ LE BOUQUIN/ BACHELET/ TUTHILL/ SWEENEY/ PAUMARD/ STRAUBMEIER/ GARCIA/ MIDDLETON/ EISENHAUER/ SHANGGUAN/ WU
Target
- ID
- 43597
- Name
- S8HO126834
- RA
- 259.889420833333
- DEC
- -29.9376119444444
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 | 56.5140 | 56.4900 | 23.0000 | 23.7000 |
| U1-U3 | 102.4030 | 102.3660 | 29.3000 | 30.0000 |
| U1-U4 | 130.0860 | 130.1740 | 57.0570 | 57.8670 |
| U2-U3 | 46.6400 | 46.6310 | 36.9000 | 37.7000 |
| U2-U4 | 89.0760 | 89.2370 | 77.8680 | 78.6750 |
| U3-U4 | 61.9290 | 62.0990 | 107.4530 | 108.1880 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25GV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60399.37642079 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | OB231192 |
| HIERARCH ESO INS SOBJ NAME | OB231192 |
| RA | 259.890752 |
| DEC | -29.93632 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.514 |
| HIERARCH ESO ISS PBL12 END | 56.49 |
| HIERARCH ESO ISS PBLA12 START | 23.0 |
| HIERARCH ESO ISS PBLA12 END | 23.7 |
| HIERARCH ESO ISS PBL13 START | 102.403 |
| HIERARCH ESO ISS PBL13 END | 102.366 |
| HIERARCH ESO ISS PBLA13 START | 29.3 |
| HIERARCH ESO ISS PBLA13 END | 30.0 |
| HIERARCH ESO ISS PBL14 START | 130.086 |
| HIERARCH ESO ISS PBL14 END | 130.174 |
| HIERARCH ESO ISS PBLA14 START | 57.057 |
| HIERARCH ESO ISS PBLA14 END | 57.867 |
| HIERARCH ESO ISS PBL23 START | 46.64 |
| HIERARCH ESO ISS PBL23 END | 46.631 |
| HIERARCH ESO ISS PBLA23 START | 36.9 |
| HIERARCH ESO ISS PBLA23 END | 37.7 |
| HIERARCH ESO ISS PBL24 START | 89.076 |
| HIERARCH ESO ISS PBL24 END | 89.237 |
| HIERARCH ESO ISS PBLA24 START | 77.868 |
| HIERARCH ESO ISS PBLA24 END | 78.675 |
| HIERARCH ESO ISS PBL34 START | 61.929 |
| HIERARCH ESO ISS PBL34 END | 62.099 |
| HIERARCH ESO ISS PBLA34 START | 107.453 |
| HIERARCH ESO ISS PBLA34 END | 108.188 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00849 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008488 |
| HIERARCH ESO ISS AMBI TEMP | 14.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | S8HO126834 |
| HIERARCH ESO FT ROBJ ALPHA | 171933.461 |
| HIERARCH ESO FT ROBJ DELTA | -295615.403 |