Exposure
- ID
- GRAVI.2021-01-31T02:53:07.951_1
- Header ID
- GRAVI.2021-01-31T02:53:07.951
- Date updated
- 2021-01-31 03:06:10 UTC+0000
- Release date
- 2021-01-31 02:53:07 UTC+0000
- UTC Start
- 2021-01-31 02:53:07.951
- UTC End
- 2021-01-31 02:58:07.951
- MJD Start
- 59245.12023092
- MJD End
- 59245.1237031422
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0069055
- Ambient temperature (°C)
- 13.87
- Seeing (arcsec)
- 0.535
Observation
- ID
- 46628
- Category
- calibrator
- Program ID
- 106.219S.001
- Program Title
- ASTROMETRIC PRECISION-WEIGHING A NON-ACCRETING STELLAR-MASS BLACK HOLE
- Program Type
- Normal
- PI / COI
- RIVINIUS/ BAADE/ HEIDA/ HADRAVA/ TRISTRAM
Target
- ID
- 35008
- Name
- Sky
- RA
- 92.881101
- DEC
- 22.9365
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 45.8390 | 46.3230 | 37.9000 | 38.1000 |
| U1-U3 | 86.8320 | 87.7240 | 44.0000 | 44.1000 |
| U1-U4 | 127.0450 | 127.6380 | 66.1390 | 65.6790 |
| U2-U3 | 41.5400 | 41.9250 | 50.8000 | 50.6000 |
| U2-U4 | 89.3110 | 89.1780 | 80.1760 | 79.5810 |
| U3-U4 | 56.8910 | 56.2690 | 101.1690 | 100.7110 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.219S.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59245.12023092 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 252969 |
| HIERARCH ESO INS SOBJ NAME | Sky |
| RA | 92.881101 |
| DEC | 22.9365 |
| 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 | 354.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 300 |
| HIERARCH ESO ISS PBL12 START | 45.839 |
| HIERARCH ESO ISS PBL12 END | 46.323 |
| HIERARCH ESO ISS PBLA12 START | 37.9 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 86.832 |
| HIERARCH ESO ISS PBL13 END | 87.724 |
| HIERARCH ESO ISS PBLA13 START | 44.0 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 127.045 |
| HIERARCH ESO ISS PBL14 END | 127.638 |
| HIERARCH ESO ISS PBLA14 START | 66.139 |
| HIERARCH ESO ISS PBLA14 END | 65.679 |
| HIERARCH ESO ISS PBL23 START | 41.54 |
| HIERARCH ESO ISS PBL23 END | 41.925 |
| HIERARCH ESO ISS PBLA23 START | 50.8 |
| HIERARCH ESO ISS PBLA23 END | 50.6 |
| HIERARCH ESO ISS PBL24 START | 89.311 |
| HIERARCH ESO ISS PBL24 END | 89.178 |
| HIERARCH ESO ISS PBLA24 START | 80.176 |
| HIERARCH ESO ISS PBLA24 END | 79.581 |
| HIERARCH ESO ISS PBL34 START | 56.891 |
| HIERARCH ESO ISS PBL34 END | 56.269 |
| HIERARCH ESO ISS PBLA34 START | 101.169 |
| HIERARCH ESO ISS PBLA34 END | 100.711 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008655 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005156 |
| HIERARCH ESO ISS AMBI TEMP | 13.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | HD_252969 |
| HIERARCH ESO FT ROBJ ALPHA | 061130.945 |
| HIERARCH ESO FT ROBJ DELTA | 225612.502 |