Exposure
- ID
- GRAVI.2021-01-31T03:31:56.050_1
- Header ID
- GRAVI.2021-01-31T03:31:56.050
- Date updated
- 2021-01-31 03:45:28 UTC+0000
- Release date
- 2022-01-31 03:45:28 UTC+0000
- UTC Start
- 2021-01-31 03:31:56.050
- UTC End
- 2021-01-31 03:36:56.050
- MJD Start
- 59245.1471765
- MJD End
- 59245.1506487222
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0063975
- Ambient temperature (°C)
- 14.18
- Seeing (arcsec)
- 0.535
Observation
- ID
- 46630
- Category
- science
- 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
- 35010
- Name
- Sky
- RA
- 92.956655
- DEC
- 22.82555
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 48.8590 | 49.2800 | 38.7000 | 38.7000 |
| U1-U3 | 92.2370 | 92.9610 | 43.8000 | 43.7000 |
| U1-U4 | 129.7940 | 129.9860 | 62.9480 | 62.4150 |
| U2-U3 | 43.7870 | 44.0720 | 49.5000 | 49.2000 |
| U2-U4 | 87.5790 | 87.1360 | 76.1990 | 75.5500 |
| U3-U4 | 52.3060 | 51.4830 | 98.3000 | 97.8530 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.219S.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59245.1471765 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | LB-1 |
| HIERARCH ESO INS SOBJ NAME | Sky |
| RA | 92.956655 |
| DEC | 22.82555 |
| 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 | 48.859 |
| HIERARCH ESO ISS PBL12 END | 49.28 |
| HIERARCH ESO ISS PBLA12 START | 38.7 |
| HIERARCH ESO ISS PBLA12 END | 38.7 |
| HIERARCH ESO ISS PBL13 START | 92.237 |
| HIERARCH ESO ISS PBL13 END | 92.961 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 43.7 |
| HIERARCH ESO ISS PBL14 START | 129.794 |
| HIERARCH ESO ISS PBL14 END | 129.986 |
| HIERARCH ESO ISS PBLA14 START | 62.948 |
| HIERARCH ESO ISS PBLA14 END | 62.415 |
| HIERARCH ESO ISS PBL23 START | 43.787 |
| HIERARCH ESO ISS PBL23 END | 44.072 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 49.2 |
| HIERARCH ESO ISS PBL24 START | 87.579 |
| HIERARCH ESO ISS PBL24 END | 87.136 |
| HIERARCH ESO ISS PBLA24 START | 76.199 |
| HIERARCH ESO ISS PBLA24 END | 75.55 |
| HIERARCH ESO ISS PBL34 START | 52.306 |
| HIERARCH ESO ISS PBL34 END | 51.483 |
| HIERARCH ESO ISS PBLA34 START | 98.3 |
| HIERARCH ESO ISS PBLA34 END | 97.853 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008888 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003907 |
| HIERARCH ESO ISS AMBI TEMP | 14.18 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | LB-1 |
| HIERARCH ESO FT ROBJ ALPHA | 061149.076 |
| HIERARCH ESO FT ROBJ DELTA | 224932.686 |