Exposure
- ID
- GRAVI.2021-11-27T04:35:04.575_1
- Header ID
- GRAVI.2021-11-27T04:35:04.575
- Date updated
- 2021-11-27 04:51:28 UTC+0000
- Release date
- 2022-11-27 04:51:28 UTC+0000
- UTC Start
- 2021-11-27 04:35:04.575
- UTC End
- 2021-11-27 04:36:40.575
- MJD Start
- 59545.19102517
- MJD End
- 59545.1921362811
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048655
- Ambient temperature (°C)
- 11.86
- Seeing (arcsec)
- 0.68
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 | 25.0390 | 25.0030 | 135.8000 | 135.8000 |
A0-D0 | 26.7750 | 27.0080 | 74.3000 | 74.3000 |
A0-C1 | 22.3630 | 22.4040 | 115.2770 | 115.1230 |
B2-D0 | 26.5390 | 26.6320 | 18.2000 | 18.7000 |
B2-C1 | 8.8420 | 8.8730 | 18.1920 | 18.6890 |
D0-C1 | 17.6970 | 17.7600 | 198.2700 | 198.7680 |
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 | 59545.19102517 |
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 | 25.039 |
HIERARCH ESO ISS PBL12 END | 25.003 |
HIERARCH ESO ISS PBLA12 START | 135.8 |
HIERARCH ESO ISS PBLA12 END | 135.8 |
HIERARCH ESO ISS PBL13 START | 26.775 |
HIERARCH ESO ISS PBL13 END | 27.008 |
HIERARCH ESO ISS PBLA13 START | 74.3 |
HIERARCH ESO ISS PBLA13 END | 74.3 |
HIERARCH ESO ISS PBL14 START | 22.363 |
HIERARCH ESO ISS PBL14 END | 22.404 |
HIERARCH ESO ISS PBLA14 START | 115.277 |
HIERARCH ESO ISS PBLA14 END | 115.123 |
HIERARCH ESO ISS PBL23 START | 26.539 |
HIERARCH ESO ISS PBL23 END | 26.632 |
HIERARCH ESO ISS PBLA23 START | 18.2 |
HIERARCH ESO ISS PBLA23 END | 18.7 |
HIERARCH ESO ISS PBL24 START | 8.842 |
HIERARCH ESO ISS PBL24 END | 8.873 |
HIERARCH ESO ISS PBLA24 START | 18.192 |
HIERARCH ESO ISS PBLA24 END | 18.689 |
HIERARCH ESO ISS PBL34 START | 17.697 |
HIERARCH ESO ISS PBL34 END | 17.76 |
HIERARCH ESO ISS PBLA34 START | 198.27 |
HIERARCH ESO ISS PBLA34 END | 198.768 |
HIERARCH ESO ISS AMBI TAU0 START | 0.005055 |
HIERARCH ESO ISS AMBI TAU0 END | 0.004676 |
HIERARCH ESO ISS AMBI TEMP | 11.86 |
HIERARCH ESO ISS AMBI FWHM START | 0.67 |
HIERARCH ESO ISS AMBI FWHM END | 0.69 |