Exposure
- ID
- GRAVI.2024-03-30T08:55:23.739_2
- Header ID
- GRAVI.2024-03-30T08:55:23.739
- Date updated
- 2024-03-30 09:10:27 UTC+0000
- Release date
- 2025-03-30 09:10:27 UTC+0000
- UTC Start
- 2024-03-30 08:55:23.739
- UTC End
- 2024-03-30 09:01:23.739
- MJD Start
- 60399.37180254
- MJD End
- 60399.3759692067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008397
- Ambient temperature (°C)
- 14.54
- Seeing (arcsec)
- 0.475
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 | 56.5330 | 56.5150 | 22.2000 | 23.0000 |
| U1-U3 | 102.4260 | 102.4040 | 28.5000 | 29.2000 |
| U1-U4 | 129.9390 | 130.0800 | 56.1840 | 57.0130 |
| U2-U3 | 46.6390 | 46.6400 | 36.1000 | 36.9000 |
| U2-U4 | 88.8550 | 89.0660 | 77.0060 | 77.8240 |
| U3-U4 | 61.7140 | 61.9190 | 106.6840 | 107.4130 |
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 | 60399.37180254 |
| 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 | 56.533 |
| HIERARCH ESO ISS PBL12 END | 56.515 |
| HIERARCH ESO ISS PBLA12 START | 22.2 |
| HIERARCH ESO ISS PBLA12 END | 23.0 |
| HIERARCH ESO ISS PBL13 START | 102.426 |
| HIERARCH ESO ISS PBL13 END | 102.404 |
| HIERARCH ESO ISS PBLA13 START | 28.5 |
| HIERARCH ESO ISS PBLA13 END | 29.2 |
| HIERARCH ESO ISS PBL14 START | 129.939 |
| HIERARCH ESO ISS PBL14 END | 130.08 |
| HIERARCH ESO ISS PBLA14 START | 56.184 |
| HIERARCH ESO ISS PBLA14 END | 57.013 |
| HIERARCH ESO ISS PBL23 START | 46.639 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.1 |
| HIERARCH ESO ISS PBLA23 END | 36.9 |
| HIERARCH ESO ISS PBL24 START | 88.855 |
| HIERARCH ESO ISS PBL24 END | 89.066 |
| HIERARCH ESO ISS PBLA24 START | 77.006 |
| HIERARCH ESO ISS PBLA24 END | 77.824 |
| HIERARCH ESO ISS PBL34 START | 61.714 |
| HIERARCH ESO ISS PBL34 END | 61.919 |
| HIERARCH ESO ISS PBLA34 START | 106.684 |
| HIERARCH ESO ISS PBLA34 END | 107.413 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008304 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00849 |
| HIERARCH ESO ISS AMBI TEMP | 14.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | S8HO126834 |
| HIERARCH ESO FT ROBJ ALPHA | 171933.461 |
| HIERARCH ESO FT ROBJ DELTA | -295615.403 |