Exposure
- ID
- GRAVI.2023-07-31T01:35:19.590_1
- Header ID
- GRAVI.2023-07-31T01:35:19.590
- Date updated
- 2025-03-26 15:25:23 UTC+0000
- Release date
- 2024-07-31 01:45:12 UTC+0000
- UTC Start
- 2023-07-31 01:35:19.590
- UTC End
- 2023-07-31 01:37:19.590
- MJD Start
- 60156.06619896
- MJD End
- 60156.067587848884
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005911
- Ambient temperature (°C)
- 18.05
- Seeing (arcsec)
- 0.7150000000000001
Observation
- ID
- 56477
- 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
- 41853
- Name
- KB230686
- RA
- 263.843946
- DEC
- -34.10903
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.0540 | 56.0270 | 25.3000 | 25.5000 |
| U1-U3 | 101.6800 | 101.6250 | 31.6000 | 31.9000 |
| U1-U4 | 130.0360 | 129.9850 | 59.4720 | 59.7780 |
| U2-U3 | 46.3860 | 46.3600 | 39.3000 | 39.6000 |
| U2-U4 | 89.4250 | 89.4290 | 80.1120 | 80.4310 |
| U3-U4 | 62.2130 | 62.2550 | 109.2830 | 109.5880 |
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 | 60156.06619896 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | KB230686 |
| HIERARCH ESO INS SOBJ NAME | KB230686 |
| RA | 263.843946 |
| DEC | -34.10903 |
| 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 | 139.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 40 |
| HIERARCH ESO ISS PBL12 START | 56.054 |
| HIERARCH ESO ISS PBL12 END | 56.027 |
| HIERARCH ESO ISS PBLA12 START | 25.3 |
| HIERARCH ESO ISS PBLA12 END | 25.5 |
| HIERARCH ESO ISS PBL13 START | 101.68 |
| HIERARCH ESO ISS PBL13 END | 101.625 |
| HIERARCH ESO ISS PBLA13 START | 31.6 |
| HIERARCH ESO ISS PBLA13 END | 31.9 |
| HIERARCH ESO ISS PBL14 START | 130.036 |
| HIERARCH ESO ISS PBL14 END | 129.985 |
| HIERARCH ESO ISS PBLA14 START | 59.472 |
| HIERARCH ESO ISS PBLA14 END | 59.778 |
| HIERARCH ESO ISS PBL23 START | 46.386 |
| HIERARCH ESO ISS PBL23 END | 46.36 |
| HIERARCH ESO ISS PBLA23 START | 39.3 |
| HIERARCH ESO ISS PBLA23 END | 39.6 |
| HIERARCH ESO ISS PBL24 START | 89.425 |
| HIERARCH ESO ISS PBL24 END | 89.429 |
| HIERARCH ESO ISS PBLA24 START | 80.112 |
| HIERARCH ESO ISS PBLA24 END | 80.431 |
| HIERARCH ESO ISS PBL34 START | 62.213 |
| HIERARCH ESO ISS PBL34 END | 62.255 |
| HIERARCH ESO ISS PBLA34 START | 109.283 |
| HIERARCH ESO ISS PBLA34 END | 109.588 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006761 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005061 |
| HIERARCH ESO ISS AMBI TEMP | 18.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | 2MASS_17352281-34063 |
| HIERARCH ESO FT ROBJ ALPHA | 173522.819 |
| HIERARCH ESO FT ROBJ DELTA | -340630.605 |