Exposure
- ID
- GRAVI.2024-02-28T08:48:10.076_2
- Header ID
- GRAVI.2024-02-28T08:48:10.076
- Date updated
- 2024-02-28 09:05:33 UTC+0000
- Release date
- 2025-02-28 09:05:32 UTC+0000
- UTC Start
- 2024-02-28 08:48:10.076
- UTC End
- 2024-02-28 08:54:50.076
- MJD Start
- 60368.36678329
- MJD End
- 60368.3714129196
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0100715
- Ambient temperature (°C)
- 15.41
- 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 | 56.2460 | 56.2580 | 3.7000 | 4.7000 |
| U1-U3 | 100.9050 | 100.9800 | 8.8000 | 9.9000 |
| U1-U4 | 117.3780 | 118.1980 | 33.3010 | 34.7300 |
| U2-U3 | 45.1520 | 45.2350 | 15.1000 | 16.3000 |
| U2-U4 | 73.8610 | 74.9470 | 55.3650 | 56.7670 |
| U3-U4 | 49.0170 | 50.0210 | 91.8880 | 92.6800 |
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 | 60368.36678329 |
| 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 | 56.246 |
| HIERARCH ESO ISS PBL12 END | 56.258 |
| HIERARCH ESO ISS PBLA12 START | 3.7 |
| HIERARCH ESO ISS PBLA12 END | 4.7 |
| HIERARCH ESO ISS PBL13 START | 100.905 |
| HIERARCH ESO ISS PBL13 END | 100.98 |
| HIERARCH ESO ISS PBLA13 START | 8.8 |
| HIERARCH ESO ISS PBLA13 END | 9.9 |
| HIERARCH ESO ISS PBL14 START | 117.378 |
| HIERARCH ESO ISS PBL14 END | 118.198 |
| HIERARCH ESO ISS PBLA14 START | 33.301 |
| HIERARCH ESO ISS PBLA14 END | 34.73 |
| HIERARCH ESO ISS PBL23 START | 45.152 |
| HIERARCH ESO ISS PBL23 END | 45.235 |
| HIERARCH ESO ISS PBLA23 START | 15.1 |
| HIERARCH ESO ISS PBLA23 END | 16.3 |
| HIERARCH ESO ISS PBL24 START | 73.861 |
| HIERARCH ESO ISS PBL24 END | 74.947 |
| HIERARCH ESO ISS PBLA24 START | 55.365 |
| HIERARCH ESO ISS PBLA24 END | 56.767 |
| HIERARCH ESO ISS PBL34 START | 49.017 |
| HIERARCH ESO ISS PBL34 END | 50.021 |
| HIERARCH ESO ISS PBLA34 START | 91.888 |
| HIERARCH ESO ISS PBLA34 END | 92.68 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009904 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010239 |
| HIERARCH ESO ISS AMBI TEMP | 15.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | S8G8447654 |
| HIERARCH ESO FT ROBJ ALPHA | 172759.646 |
| HIERARCH ESO FT ROBJ DELTA | -285930.547 |