Exposure
- ID
- GRAVI.2021-11-27T05:25:55.703_1
- Header ID
- GRAVI.2021-11-27T05:25:55.703
- Date updated
- 2021-11-27 05:40:57 UTC+0000
- Release date
- 2022-11-27 05:40:57 UTC+0000
- UTC Start
- 2021-11-27 05:25:55.703
- UTC End
- 2021-11-27 05:27:31.703
- MJD Start
- 59545.22633915
- MJD End
- 59545.2274502611
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005478
- Ambient temperature (°C)
- 11.6
- 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 | 24.1910 | 24.1180 | 136.2000 | 136.3000 |
A0-D0 | 29.8700 | 30.0220 | 74.4000 | 74.4000 |
A0-C1 | 22.5970 | 22.5810 | 113.3580 | 113.2720 |
B2-D0 | 28.1860 | 28.2990 | 25.2000 | 25.6000 |
B2-C1 | 9.3890 | 9.4260 | 25.1820 | 25.5590 |
D0-C1 | 18.7970 | 18.8720 | 205.2570 | 205.6340 |
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 | 59545.22633915 |
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 | 24.191 |
HIERARCH ESO ISS PBL12 END | 24.118 |
HIERARCH ESO ISS PBLA12 START | 136.2 |
HIERARCH ESO ISS PBLA12 END | 136.3 |
HIERARCH ESO ISS PBL13 START | 29.87 |
HIERARCH ESO ISS PBL13 END | 30.022 |
HIERARCH ESO ISS PBLA13 START | 74.4 |
HIERARCH ESO ISS PBLA13 END | 74.4 |
HIERARCH ESO ISS PBL14 START | 22.597 |
HIERARCH ESO ISS PBL14 END | 22.581 |
HIERARCH ESO ISS PBLA14 START | 113.358 |
HIERARCH ESO ISS PBLA14 END | 113.272 |
HIERARCH ESO ISS PBL23 START | 28.186 |
HIERARCH ESO ISS PBL23 END | 28.299 |
HIERARCH ESO ISS PBLA23 START | 25.2 |
HIERARCH ESO ISS PBLA23 END | 25.6 |
HIERARCH ESO ISS PBL24 START | 9.389 |
HIERARCH ESO ISS PBL24 END | 9.426 |
HIERARCH ESO ISS PBLA24 START | 25.182 |
HIERARCH ESO ISS PBLA24 END | 25.559 |
HIERARCH ESO ISS PBL34 START | 18.797 |
HIERARCH ESO ISS PBL34 END | 18.872 |
HIERARCH ESO ISS PBLA34 START | 205.257 |
HIERARCH ESO ISS PBLA34 END | 205.634 |
HIERARCH ESO ISS AMBI TAU0 START | 0.004799 |
HIERARCH ESO ISS AMBI TAU0 END | 0.006157 |
HIERARCH ESO ISS AMBI TEMP | 11.6 |
HIERARCH ESO ISS AMBI FWHM START | 0.53 |
HIERARCH ESO ISS AMBI FWHM END | 0.61 |