Exposure
- ID
- GRAVI.2021-11-27T06:21:25.843_1
- Header ID
- GRAVI.2021-11-27T06:21:25.843
- Date updated
- 2021-11-27 06:41:29 UTC+0000
- Release date
- 2022-11-27 06:41:28 UTC+0000
- UTC Start
- 2021-11-27 06:21:25.843
- UTC End
- 2021-11-27 06:23:01.843
- MJD Start
- 59545.26488244
- MJD End
- 59545.2659935511
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00548
- Ambient temperature (°C)
- 11.13
- Seeing (arcsec)
- 0.57
Observation
- ID
- 49038
- Category
- science
- Program ID
- 108.224U.001
- Program Title
- SPATIALLY RESOLVING BETELGEUSE AND VY CMA, THE CORNERSTONES OF THE RED SUPERGIANT FAMILY
- Program Type
- Normal
- PI / COI
- MONTARGES/ LEBRE/ DUPREE/ HUMPHREYS/ CANNON/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ BRUNO
Target
- ID
- 36687
- Name
- Betelgeuse
- RA
- 88.790833
- DEC
- 7.40712
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 22.6590 | 22.5540 | 138.4000 | 138.6000 |
| A0-D0 | 31.7100 | 31.7650 | 73.6000 | 73.5000 |
| A0-C1 | 21.7970 | 21.7170 | 112.4270 | 112.4100 |
| B2-D0 | 30.1450 | 30.2560 | 30.7000 | 30.9000 |
| B2-C1 | 10.0410 | 10.0770 | 30.6300 | 30.8790 |
| D0-C1 | 20.1040 | 20.1780 | 210.6980 | 210.9460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.224U.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 59545.26488244 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | Betelgeuse |
| HIERARCH ESO INS SOBJ NAME | Betelgeuse |
| RA | 88.790833 |
| DEC | 7.40712 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 194.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 320 |
| HIERARCH ESO ISS PBL12 START | 22.659 |
| HIERARCH ESO ISS PBL12 END | 22.554 |
| HIERARCH ESO ISS PBLA12 START | 138.4 |
| HIERARCH ESO ISS PBLA12 END | 138.6 |
| HIERARCH ESO ISS PBL13 START | 31.71 |
| HIERARCH ESO ISS PBL13 END | 31.765 |
| HIERARCH ESO ISS PBLA13 START | 73.6 |
| HIERARCH ESO ISS PBLA13 END | 73.5 |
| HIERARCH ESO ISS PBL14 START | 21.797 |
| HIERARCH ESO ISS PBL14 END | 21.717 |
| HIERARCH ESO ISS PBLA14 START | 112.427 |
| HIERARCH ESO ISS PBLA14 END | 112.41 |
| HIERARCH ESO ISS PBL23 START | 30.145 |
| HIERARCH ESO ISS PBL23 END | 30.256 |
| HIERARCH ESO ISS PBLA23 START | 30.7 |
| HIERARCH ESO ISS PBLA23 END | 30.9 |
| HIERARCH ESO ISS PBL24 START | 10.041 |
| HIERARCH ESO ISS PBL24 END | 10.077 |
| HIERARCH ESO ISS PBLA24 START | 30.63 |
| HIERARCH ESO ISS PBLA24 END | 30.879 |
| HIERARCH ESO ISS PBL34 START | 20.104 |
| HIERARCH ESO ISS PBL34 END | 20.178 |
| HIERARCH ESO ISS PBLA34 START | 210.698 |
| HIERARCH ESO ISS PBLA34 END | 210.946 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005403 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005557 |
| HIERARCH ESO ISS AMBI TEMP | 11.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |