Exposure
- ID
- GRAVI.2024-02-28T09:10:34.134_2
- Header ID
- GRAVI.2024-02-28T09:10:34.134
- Date updated
- 2024-02-28 09:25:28 UTC+0000
- Release date
- 2025-02-28 09:25:28 UTC+0000
- UTC Start
- 2024-02-28 09:10:34.134
- UTC End
- 2024-02-28 09:17:14.134
- MJD Start
- 60368.38233951
- MJD End
- 60368.3869691396
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075315
- Ambient temperature (°C)
- 15.57
- Seeing (arcsec)
- 0.465
Observation
- ID
- 58542
- 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
- 43340
- Name
- S8G8447654
- RA
- 261.998525
- DEC
- -28.9918186111111
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 | 56.2920 | 56.3110 | 7.0000 | 8.0000 |
| U1-U3 | 101.1690 | 101.2620 | 12.3000 | 13.4000 |
| U1-U4 | 120.0370 | 120.8530 | 37.8170 | 39.1480 |
| U2-U3 | 45.4320 | 45.5240 | 19.0000 | 20.2000 |
| U2-U4 | 77.3060 | 78.3220 | 59.7460 | 61.0150 |
| U3-U4 | 52.1430 | 53.0330 | 94.4130 | 95.1740 |
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 | 60368.38233951 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | OB230696 |
| HIERARCH ESO INS SOBJ NAME | OB230696 |
| RA | 262.000538 |
| DEC | -28.99122 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.292 |
| HIERARCH ESO ISS PBL12 END | 56.311 |
| HIERARCH ESO ISS PBLA12 START | 7.0 |
| HIERARCH ESO ISS PBLA12 END | 8.0 |
| HIERARCH ESO ISS PBL13 START | 101.169 |
| HIERARCH ESO ISS PBL13 END | 101.262 |
| HIERARCH ESO ISS PBLA13 START | 12.3 |
| HIERARCH ESO ISS PBLA13 END | 13.4 |
| HIERARCH ESO ISS PBL14 START | 120.037 |
| HIERARCH ESO ISS PBL14 END | 120.853 |
| HIERARCH ESO ISS PBLA14 START | 37.817 |
| HIERARCH ESO ISS PBLA14 END | 39.148 |
| HIERARCH ESO ISS PBL23 START | 45.432 |
| HIERARCH ESO ISS PBL23 END | 45.524 |
| HIERARCH ESO ISS PBLA23 START | 19.0 |
| HIERARCH ESO ISS PBLA23 END | 20.2 |
| HIERARCH ESO ISS PBL24 START | 77.306 |
| HIERARCH ESO ISS PBL24 END | 78.322 |
| HIERARCH ESO ISS PBLA24 START | 59.746 |
| HIERARCH ESO ISS PBLA24 END | 61.015 |
| HIERARCH ESO ISS PBL34 START | 52.143 |
| HIERARCH ESO ISS PBL34 END | 53.033 |
| HIERARCH ESO ISS PBLA34 START | 94.413 |
| HIERARCH ESO ISS PBLA34 END | 95.174 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007034 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008029 |
| HIERARCH ESO ISS AMBI TEMP | 15.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | S8G8447654 |
| HIERARCH ESO FT ROBJ ALPHA | 172759.646 |
| HIERARCH ESO FT ROBJ DELTA | -285930.547 |