Exposure
- ID
- GRAVI.2021-11-03T06:46:18.932_1
- Header ID
- GRAVI.2021-11-03T06:46:18.932
- Date updated
- 2021-11-03 07:00:52 UTC+0000
- Release date
- 2022-11-03 07:00:52 UTC+0000
- UTC Start
- 2021-11-03 06:46:18.932
- UTC End
- 2021-11-03 06:47:54.932
- MJD Start
- 59521.28216356
- MJD End
- 59521.2832746711
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007623
- Ambient temperature (°C)
- 11.71
- Seeing (arcsec)
- 0.47
Observation
- ID
- 48713
- 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
- 36483
- Name
- Betelgeuse
- RA
- 88.790832
- DEC
- 7.40712
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 24.4810 | 24.4170 | 135.9000 | 136.0000 |
| A0-D0 | 29.1490 | 29.3250 | 74.4000 | 74.4000 |
| A0-C1 | 22.6240 | 22.6240 | 113.7780 | 113.6740 |
| B2-D0 | 27.7040 | 27.8140 | 23.5000 | 23.9000 |
| B2-C1 | 9.2290 | 9.2650 | 23.4510 | 23.8640 |
| D0-C1 | 18.4750 | 18.5490 | 203.5280 | 203.9410 |
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 | 59521.28216356 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | Betelgeuse |
| HIERARCH ESO INS SOBJ NAME | Betelgeuse |
| RA | 88.790832 |
| 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 | 24.481 |
| HIERARCH ESO ISS PBL12 END | 24.417 |
| HIERARCH ESO ISS PBLA12 START | 135.9 |
| HIERARCH ESO ISS PBLA12 END | 136.0 |
| HIERARCH ESO ISS PBL13 START | 29.149 |
| HIERARCH ESO ISS PBL13 END | 29.325 |
| HIERARCH ESO ISS PBLA13 START | 74.4 |
| HIERARCH ESO ISS PBLA13 END | 74.4 |
| HIERARCH ESO ISS PBL14 START | 22.624 |
| HIERARCH ESO ISS PBL14 END | 22.624 |
| HIERARCH ESO ISS PBLA14 START | 113.778 |
| HIERARCH ESO ISS PBLA14 END | 113.674 |
| HIERARCH ESO ISS PBL23 START | 27.704 |
| HIERARCH ESO ISS PBL23 END | 27.814 |
| HIERARCH ESO ISS PBLA23 START | 23.5 |
| HIERARCH ESO ISS PBLA23 END | 23.9 |
| HIERARCH ESO ISS PBL24 START | 9.229 |
| HIERARCH ESO ISS PBL24 END | 9.265 |
| HIERARCH ESO ISS PBLA24 START | 23.451 |
| HIERARCH ESO ISS PBLA24 END | 23.864 |
| HIERARCH ESO ISS PBL34 START | 18.475 |
| HIERARCH ESO ISS PBL34 END | 18.549 |
| HIERARCH ESO ISS PBLA34 START | 203.528 |
| HIERARCH ESO ISS PBLA34 END | 203.941 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007623 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007623 |
| HIERARCH ESO ISS AMBI TEMP | 11.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |