Exposure
- ID
- GRAVI.2023-07-31T01:04:43.512_1
- Header ID
- GRAVI.2023-07-31T01:04:43.512
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-07-31 01:10:42 UTC+0000
- UTC Start
- 2023-07-31 01:04:43.512
- UTC End
- 2023-07-31 01:04:55.512
- MJD Start
- 60156.04494806
- MJD End
- 60156.04508694889
- Exposure time (s)
- 12.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005524
- Ambient temperature (°C)
- 17.91
- Seeing (arcsec)
- 0.66
Observation
- ID
- 56475
- Category
- science
- Program ID
- 108.220D.004
- Program Title
- TOWARDS DETECTION OF SINGLE BLACK HOLES BY MICROLENSING AND INTERFEROMETRY
- Program Type
- Monitoring
- PI / COI
- MÉRAND / DONG / GOULD / WOILLEZ / UDALSKI / MROZ
Target
- ID
- 41851
- Name
- P1449_B
- RA
- 268.294278
- DEC
- -28.09549
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5310 | 56.5320 | 19.4000 | 19.4000 |
| U1-U3 | 102.2670 | 102.2720 | 25.5000 | 25.6000 |
| U1-U4 | 128.6140 | 128.6410 | 53.1550 | 53.2160 |
| U2-U3 | 46.4660 | 46.4690 | 33.1000 | 33.1000 |
| U2-U4 | 87.4900 | 87.5200 | 74.2250 | 74.2830 |
| U3-U4 | 60.7700 | 60.7940 | 104.4460 | 104.4930 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.220D.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60156.04494806 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | P1449 |
| HIERARCH ESO INS SOBJ NAME | P1449_B |
| RA | 268.294278 |
| DEC | -28.09549 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 31.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 40 |
| HIERARCH ESO ISS PBL12 START | 56.531 |
| HIERARCH ESO ISS PBL12 END | 56.532 |
| HIERARCH ESO ISS PBLA12 START | 19.4 |
| HIERARCH ESO ISS PBLA12 END | 19.4 |
| HIERARCH ESO ISS PBL13 START | 102.267 |
| HIERARCH ESO ISS PBL13 END | 102.272 |
| HIERARCH ESO ISS PBLA13 START | 25.5 |
| HIERARCH ESO ISS PBLA13 END | 25.6 |
| HIERARCH ESO ISS PBL14 START | 128.614 |
| HIERARCH ESO ISS PBL14 END | 128.641 |
| HIERARCH ESO ISS PBLA14 START | 53.155 |
| HIERARCH ESO ISS PBLA14 END | 53.216 |
| HIERARCH ESO ISS PBL23 START | 46.466 |
| HIERARCH ESO ISS PBL23 END | 46.469 |
| HIERARCH ESO ISS PBLA23 START | 33.1 |
| HIERARCH ESO ISS PBLA23 END | 33.1 |
| HIERARCH ESO ISS PBL24 START | 87.49 |
| HIERARCH ESO ISS PBL24 END | 87.52 |
| HIERARCH ESO ISS PBLA24 START | 74.225 |
| HIERARCH ESO ISS PBLA24 END | 74.283 |
| HIERARCH ESO ISS PBL34 START | 60.77 |
| HIERARCH ESO ISS PBL34 END | 60.794 |
| HIERARCH ESO ISS PBLA34 START | 104.446 |
| HIERARCH ESO ISS PBLA34 END | 104.493 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005524 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005524 |
| HIERARCH ESO ISS AMBI TEMP | 17.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | P1449_A |
| HIERARCH ESO FT ROBJ ALPHA | 175310.897 |
| HIERARCH ESO FT ROBJ DELTA | -280541.589 |