Exposure
- ID
- GRAVI.2021-11-03T04:57:09.657_1
- Header ID
- GRAVI.2021-11-03T04:57:09.657
- Date updated
- 2021-11-03 05:11:08 UTC+0000
- Release date
- 2022-11-03 05:11:08 UTC+0000
- UTC Start
- 2021-11-03 04:57:09.657
- UTC End
- 2021-11-03 04:58:45.657
- MJD Start
- 59521.20636177
- MJD End
- 59521.2074728811
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007627
- Ambient temperature (°C)
- 11.97
- Seeing (arcsec)
- 0.345
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 | 25.2330 | 25.2490 | 137.7000 | 137.5000 |
| A0-D0 | 20.3910 | 20.7160 | 71.9000 | 72.1000 |
| A0-C1 | 20.5640 | 20.6760 | 120.1510 | 119.8680 |
| B2-D0 | 25.0990 | 25.1310 | 5.5000 | 6.1000 |
| B2-C1 | 8.3640 | 8.3750 | 5.4090 | 6.0290 |
| D0-C1 | 16.7350 | 16.7560 | 185.4800 | 186.1000 |
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 | 59521.20636177 |
| 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 | 25.233 |
| HIERARCH ESO ISS PBL12 END | 25.249 |
| HIERARCH ESO ISS PBLA12 START | 137.7 |
| HIERARCH ESO ISS PBLA12 END | 137.5 |
| HIERARCH ESO ISS PBL13 START | 20.391 |
| HIERARCH ESO ISS PBL13 END | 20.716 |
| HIERARCH ESO ISS PBLA13 START | 71.9 |
| HIERARCH ESO ISS PBLA13 END | 72.1 |
| HIERARCH ESO ISS PBL14 START | 20.564 |
| HIERARCH ESO ISS PBL14 END | 20.676 |
| HIERARCH ESO ISS PBLA14 START | 120.151 |
| HIERARCH ESO ISS PBLA14 END | 119.868 |
| HIERARCH ESO ISS PBL23 START | 25.099 |
| HIERARCH ESO ISS PBL23 END | 25.131 |
| HIERARCH ESO ISS PBLA23 START | 5.5 |
| HIERARCH ESO ISS PBLA23 END | 6.1 |
| HIERARCH ESO ISS PBL24 START | 8.364 |
| HIERARCH ESO ISS PBL24 END | 8.375 |
| HIERARCH ESO ISS PBLA24 START | 5.409 |
| HIERARCH ESO ISS PBLA24 END | 6.029 |
| HIERARCH ESO ISS PBL34 START | 16.735 |
| HIERARCH ESO ISS PBL34 END | 16.756 |
| HIERARCH ESO ISS PBLA34 START | 185.48 |
| HIERARCH ESO ISS PBLA34 END | 186.1 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007492 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007762 |
| HIERARCH ESO ISS AMBI TEMP | 11.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |