Exposure
- ID
- GRAVI.2024-03-30T09:08:44.774_2
- Header ID
- GRAVI.2024-03-30T09:08:44.774
- Date updated
- 2024-03-30 09:25:28 UTC+0000
- Release date
- 2025-03-30 09:25:28 UTC+0000
- UTC Start
- 2024-03-30 09:08:44.774
- UTC End
- 2024-03-30 09:14:44.774
- MJD Start
- 60399.38107377
- MJD End
- 60399.3852404367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008531
- Ambient temperature (°C)
- 14.5
- Seeing (arcsec)
- 0.51
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 | 56.4890 | 56.4580 | 23.8000 | 24.5000 |
| U1-U3 | 102.3630 | 102.3090 | 30.1000 | 30.8000 |
| U1-U4 | 130.1780 | 130.2100 | 57.9210 | 58.7160 |
| U2-U3 | 46.6300 | 46.6110 | 37.7000 | 38.5000 |
| U2-U4 | 89.2460 | 89.3550 | 78.7290 | 79.5290 |
| U3-U4 | 62.1090 | 62.2450 | 108.2380 | 108.9820 |
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 | 60399.38107377 |
| 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 | 56.489 |
| HIERARCH ESO ISS PBL12 END | 56.458 |
| HIERARCH ESO ISS PBLA12 START | 23.8 |
| HIERARCH ESO ISS PBLA12 END | 24.5 |
| HIERARCH ESO ISS PBL13 START | 102.363 |
| HIERARCH ESO ISS PBL13 END | 102.309 |
| HIERARCH ESO ISS PBLA13 START | 30.1 |
| HIERARCH ESO ISS PBLA13 END | 30.8 |
| HIERARCH ESO ISS PBL14 START | 130.178 |
| HIERARCH ESO ISS PBL14 END | 130.21 |
| HIERARCH ESO ISS PBLA14 START | 57.921 |
| HIERARCH ESO ISS PBLA14 END | 58.716 |
| HIERARCH ESO ISS PBL23 START | 46.63 |
| HIERARCH ESO ISS PBL23 END | 46.611 |
| HIERARCH ESO ISS PBLA23 START | 37.7 |
| HIERARCH ESO ISS PBLA23 END | 38.5 |
| HIERARCH ESO ISS PBL24 START | 89.246 |
| HIERARCH ESO ISS PBL24 END | 89.355 |
| HIERARCH ESO ISS PBLA24 START | 78.729 |
| HIERARCH ESO ISS PBLA24 END | 79.529 |
| HIERARCH ESO ISS PBL34 START | 62.109 |
| HIERARCH ESO ISS PBL34 END | 62.245 |
| HIERARCH ESO ISS PBLA34 START | 108.238 |
| HIERARCH ESO ISS PBLA34 END | 108.982 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008488 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008574 |
| HIERARCH ESO ISS AMBI TEMP | 14.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | S8HO126834 |
| HIERARCH ESO FT ROBJ ALPHA | 171933.461 |
| HIERARCH ESO FT ROBJ DELTA | -295615.403 |