Exposure
- ID
- GRAVI.2024-03-30T09:30:08.828_2
- Header ID
- GRAVI.2024-03-30T09:30:08.828
- Date updated
- 2024-03-30 09:45:36 UTC+0000
- Release date
- 2025-03-30 09:45:36 UTC+0000
- UTC Start
- 2024-03-30 09:30:08.828
- UTC End
- 2024-03-30 09:36:08.828
- MJD Start
- 60399.39593551
- MJD End
- 60399.4001021767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075855
- Ambient temperature (°C)
- 14.42
- Seeing (arcsec)
- 0.515
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 | 56.3580 | 56.3050 | 26.2000 | 26.9000 |
| U1-U3 | 102.1100 | 101.9970 | 32.5000 | 33.2000 |
| U1-U4 | 130.0630 | 129.9060 | 60.5730 | 61.3200 |
| U2-U3 | 46.5190 | 46.4610 | 40.2000 | 40.9000 |
| U2-U4 | 89.4180 | 89.3600 | 81.4300 | 82.2100 |
| U3-U4 | 62.4410 | 62.4690 | 110.8110 | 111.5860 |
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 | 60399.39593551 |
| 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 | 56.358 |
| HIERARCH ESO ISS PBL12 END | 56.305 |
| HIERARCH ESO ISS PBLA12 START | 26.2 |
| HIERARCH ESO ISS PBLA12 END | 26.9 |
| HIERARCH ESO ISS PBL13 START | 102.11 |
| HIERARCH ESO ISS PBL13 END | 101.997 |
| HIERARCH ESO ISS PBLA13 START | 32.5 |
| HIERARCH ESO ISS PBLA13 END | 33.2 |
| HIERARCH ESO ISS PBL14 START | 130.063 |
| HIERARCH ESO ISS PBL14 END | 129.906 |
| HIERARCH ESO ISS PBLA14 START | 60.573 |
| HIERARCH ESO ISS PBLA14 END | 61.32 |
| HIERARCH ESO ISS PBL23 START | 46.519 |
| HIERARCH ESO ISS PBL23 END | 46.461 |
| HIERARCH ESO ISS PBLA23 START | 40.2 |
| HIERARCH ESO ISS PBLA23 END | 40.9 |
| HIERARCH ESO ISS PBL24 START | 89.418 |
| HIERARCH ESO ISS PBL24 END | 89.36 |
| HIERARCH ESO ISS PBLA24 START | 81.43 |
| HIERARCH ESO ISS PBLA24 END | 82.21 |
| HIERARCH ESO ISS PBL34 START | 62.441 |
| HIERARCH ESO ISS PBL34 END | 62.469 |
| HIERARCH ESO ISS PBLA34 START | 110.811 |
| HIERARCH ESO ISS PBLA34 END | 111.586 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007943 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007228 |
| HIERARCH ESO ISS AMBI TEMP | 14.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | S8HO126834 |
| HIERARCH ESO FT ROBJ ALPHA | 171933.461 |
| HIERARCH ESO FT ROBJ DELTA | -295615.403 |