Exposure
- ID
- GRAVI.2021-11-27T04:42:49.594_1
- Header ID
- GRAVI.2021-11-27T04:42:49.594
- Date updated
- 2021-11-27 04:55:53 UTC+0000
- Release date
- 2022-11-27 04:55:53 UTC+0000
- UTC Start
- 2021-11-27 04:42:49.594
- UTC End
- 2021-11-27 04:44:25.594
- MJD Start
- 59545.19640734
- MJD End
- 59545.1975184511
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041185
- Ambient temperature (°C)
- 11.88
- Seeing (arcsec)
- 0.74
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 | 24.9470 | 24.9050 | 135.8000 | 135.7000 |
A0-D0 | 27.3320 | 27.5550 | 74.4000 | 74.4000 |
A0-C1 | 22.4570 | 22.4910 | 114.9120 | 114.7680 |
B2-D0 | 26.7690 | 26.8670 | 19.4000 | 19.9000 |
B2-C1 | 8.9180 | 8.9510 | 19.3860 | 19.8710 |
D0-C1 | 17.8510 | 17.9170 | 199.4650 | 199.9490 |
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 | 59545.19640734 |
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 | 24.947 |
HIERARCH ESO ISS PBL12 END | 24.905 |
HIERARCH ESO ISS PBLA12 START | 135.8 |
HIERARCH ESO ISS PBLA12 END | 135.7 |
HIERARCH ESO ISS PBL13 START | 27.332 |
HIERARCH ESO ISS PBL13 END | 27.555 |
HIERARCH ESO ISS PBLA13 START | 74.4 |
HIERARCH ESO ISS PBLA13 END | 74.4 |
HIERARCH ESO ISS PBL14 START | 22.457 |
HIERARCH ESO ISS PBL14 END | 22.491 |
HIERARCH ESO ISS PBLA14 START | 114.912 |
HIERARCH ESO ISS PBLA14 END | 114.768 |
HIERARCH ESO ISS PBL23 START | 26.769 |
HIERARCH ESO ISS PBL23 END | 26.867 |
HIERARCH ESO ISS PBLA23 START | 19.4 |
HIERARCH ESO ISS PBLA23 END | 19.9 |
HIERARCH ESO ISS PBL24 START | 8.918 |
HIERARCH ESO ISS PBL24 END | 8.951 |
HIERARCH ESO ISS PBLA24 START | 19.386 |
HIERARCH ESO ISS PBLA24 END | 19.871 |
HIERARCH ESO ISS PBL34 START | 17.851 |
HIERARCH ESO ISS PBL34 END | 17.917 |
HIERARCH ESO ISS PBLA34 START | 199.465 |
HIERARCH ESO ISS PBLA34 END | 199.949 |
HIERARCH ESO ISS AMBI TAU0 START | 0.003896 |
HIERARCH ESO ISS AMBI TAU0 END | 0.004341 |
HIERARCH ESO ISS AMBI TEMP | 11.88 |
HIERARCH ESO ISS AMBI FWHM START | 0.74 |
HIERARCH ESO ISS AMBI FWHM END | 0.74 |