Exposure
- ID
- GRAVI.2021-11-27T04:30:58.565_1
- Header ID
- GRAVI.2021-11-27T04:30:58.565
- Date updated
- 2021-11-27 04:46:19 UTC+0000
- Release date
- 2022-11-27 04:46:19 UTC+0000
- UTC Start
- 2021-11-27 04:30:58.565
- UTC End
- 2021-11-27 04:32:34.565
- MJD Start
- 59545.18817783
- MJD End
- 59545.1892889411
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005231
- Ambient temperature (°C)
- 11.89
- Seeing (arcsec)
- 0.62
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 | 25.0820 | 25.0490 | 135.8000 | 135.8000 |
| A0-D0 | 26.4720 | 26.7110 | 74.2000 | 74.3000 |
| A0-C1 | 22.3050 | 22.3510 | 115.4790 | 115.3190 |
| B2-D0 | 26.4230 | 26.5140 | 17.6000 | 18.1000 |
| B2-C1 | 8.8030 | 8.8330 | 17.5500 | 18.0560 |
| D0-C1 | 17.6200 | 17.6810 | 197.6280 | 198.1350 |
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 | 59545.18817783 |
| 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 | 25.082 |
| HIERARCH ESO ISS PBL12 END | 25.049 |
| HIERARCH ESO ISS PBLA12 START | 135.8 |
| HIERARCH ESO ISS PBLA12 END | 135.8 |
| HIERARCH ESO ISS PBL13 START | 26.472 |
| HIERARCH ESO ISS PBL13 END | 26.711 |
| HIERARCH ESO ISS PBLA13 START | 74.2 |
| HIERARCH ESO ISS PBLA13 END | 74.3 |
| HIERARCH ESO ISS PBL14 START | 22.305 |
| HIERARCH ESO ISS PBL14 END | 22.351 |
| HIERARCH ESO ISS PBLA14 START | 115.479 |
| HIERARCH ESO ISS PBLA14 END | 115.319 |
| HIERARCH ESO ISS PBL23 START | 26.423 |
| HIERARCH ESO ISS PBL23 END | 26.514 |
| HIERARCH ESO ISS PBLA23 START | 17.6 |
| HIERARCH ESO ISS PBLA23 END | 18.1 |
| HIERARCH ESO ISS PBL24 START | 8.803 |
| HIERARCH ESO ISS PBL24 END | 8.833 |
| HIERARCH ESO ISS PBLA24 START | 17.55 |
| HIERARCH ESO ISS PBLA24 END | 18.056 |
| HIERARCH ESO ISS PBL34 START | 17.62 |
| HIERARCH ESO ISS PBL34 END | 17.681 |
| HIERARCH ESO ISS PBLA34 START | 197.628 |
| HIERARCH ESO ISS PBLA34 END | 198.135 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005407 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005055 |
| HIERARCH ESO ISS AMBI TEMP | 11.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |