Exposure
- ID
- GRAVI.2021-11-27T04:27:25.556_1
- Header ID
- GRAVI.2021-11-27T04:27:25.556
- 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 04:27:25.556
- UTC End
- 2021-11-27 04:29:01.556
- MJD Start
- 59545.18571245
- MJD End
- 59545.1868235611
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051325
- Ambient temperature (°C)
- 11.96
- Seeing (arcsec)
- 0.605
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 | 25.1160 | 25.0850 | 135.9000 | 135.8000 |
A0-D0 | 26.2040 | 26.4480 | 74.2000 | 74.2000 |
A0-C1 | 22.2510 | 22.3000 | 115.6600 | 115.4950 |
B2-D0 | 26.3260 | 26.4150 | 17.0000 | 17.6000 |
B2-C1 | 8.7710 | 8.8000 | 16.9850 | 17.4990 |
D0-C1 | 17.5550 | 17.6140 | 197.0640 | 197.5780 |
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 | 59545.18571245 |
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 | 25.116 |
HIERARCH ESO ISS PBL12 END | 25.085 |
HIERARCH ESO ISS PBLA12 START | 135.9 |
HIERARCH ESO ISS PBLA12 END | 135.8 |
HIERARCH ESO ISS PBL13 START | 26.204 |
HIERARCH ESO ISS PBL13 END | 26.448 |
HIERARCH ESO ISS PBLA13 START | 74.2 |
HIERARCH ESO ISS PBLA13 END | 74.2 |
HIERARCH ESO ISS PBL14 START | 22.251 |
HIERARCH ESO ISS PBL14 END | 22.3 |
HIERARCH ESO ISS PBLA14 START | 115.66 |
HIERARCH ESO ISS PBLA14 END | 115.495 |
HIERARCH ESO ISS PBL23 START | 26.326 |
HIERARCH ESO ISS PBL23 END | 26.415 |
HIERARCH ESO ISS PBLA23 START | 17.0 |
HIERARCH ESO ISS PBLA23 END | 17.6 |
HIERARCH ESO ISS PBL24 START | 8.771 |
HIERARCH ESO ISS PBL24 END | 8.8 |
HIERARCH ESO ISS PBLA24 START | 16.985 |
HIERARCH ESO ISS PBLA24 END | 17.499 |
HIERARCH ESO ISS PBL34 START | 17.555 |
HIERARCH ESO ISS PBL34 END | 17.614 |
HIERARCH ESO ISS PBLA34 START | 197.064 |
HIERARCH ESO ISS PBLA34 END | 197.578 |
HIERARCH ESO ISS AMBI TAU0 START | 0.004858 |
HIERARCH ESO ISS AMBI TAU0 END | 0.005407 |
HIERARCH ESO ISS AMBI TEMP | 11.96 |
HIERARCH ESO ISS AMBI FWHM START | 0.64 |
HIERARCH ESO ISS AMBI FWHM END | 0.57 |