Exposure
- ID
- GRAVI.2024-02-28T08:26:04.020_2
- Header ID
- GRAVI.2024-02-28T08:26:04.020
- Date updated
- 2024-02-28 08:40:29 UTC+0000
- Release date
- 2025-02-28 08:40:28 UTC+0000
- UTC Start
- 2024-02-28 08:26:04.020
- UTC End
- 2024-02-28 08:32:44.020
- MJD Start
- 60368.35143542
- MJD End
- 60368.3560650496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0082455
- Ambient temperature (°C)
- 15.43
- Seeing (arcsec)
- 0.42
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 | 56.2270 | 56.2300 | 0.5000 | 1.5000 |
| U1-U3 | 100.7170 | 100.7670 | 5.3000 | 6.4000 |
| U1-U4 | 114.8200 | 115.6030 | 28.5020 | 30.0370 |
| U2-U3 | 44.9190 | 44.9860 | 11.2000 | 12.4000 |
| U2-U4 | 70.2920 | 71.4170 | 50.5330 | 52.1020 |
| U3-U4 | 45.5710 | 46.6840 | 89.2390 | 90.0870 |
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 | 60368.35143542 |
| 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 | 56.227 |
| HIERARCH ESO ISS PBL12 END | 56.23 |
| HIERARCH ESO ISS PBLA12 START | 0.5 |
| HIERARCH ESO ISS PBLA12 END | 1.5 |
| HIERARCH ESO ISS PBL13 START | 100.717 |
| HIERARCH ESO ISS PBL13 END | 100.767 |
| HIERARCH ESO ISS PBLA13 START | 5.3 |
| HIERARCH ESO ISS PBLA13 END | 6.4 |
| HIERARCH ESO ISS PBL14 START | 114.82 |
| HIERARCH ESO ISS PBL14 END | 115.603 |
| HIERARCH ESO ISS PBLA14 START | 28.502 |
| HIERARCH ESO ISS PBLA14 END | 30.037 |
| HIERARCH ESO ISS PBL23 START | 44.919 |
| HIERARCH ESO ISS PBL23 END | 44.986 |
| HIERARCH ESO ISS PBLA23 START | 11.2 |
| HIERARCH ESO ISS PBLA23 END | 12.4 |
| HIERARCH ESO ISS PBL24 START | 70.292 |
| HIERARCH ESO ISS PBL24 END | 71.417 |
| HIERARCH ESO ISS PBLA24 START | 50.533 |
| HIERARCH ESO ISS PBLA24 END | 52.102 |
| HIERARCH ESO ISS PBL34 START | 45.571 |
| HIERARCH ESO ISS PBL34 END | 46.684 |
| HIERARCH ESO ISS PBLA34 START | 89.239 |
| HIERARCH ESO ISS PBLA34 END | 90.087 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008649 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007842 |
| HIERARCH ESO ISS AMBI TEMP | 15.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | S8G8447654 |
| HIERARCH ESO FT ROBJ ALPHA | 172759.646 |
| HIERARCH ESO FT ROBJ DELTA | -285930.547 |