Exposure
- ID
- GRAVI.2021-09-01T08:21:28.990_1
- Header ID
- GRAVI.2021-09-01T08:21:28.990
- Date updated
- 2021-09-01 08:36:14 UTC+0000
- Release date
- 2022-09-01 08:36:13 UTC+0000
- UTC Start
- 2021-09-01 08:21:28.990
- UTC End
- 2021-09-01 08:23:04.990
- MJD Start
- 59458.3482522
- MJD End
- 59458.3493633111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034385
- Ambient temperature (°C)
- 12.48
- Seeing (arcsec)
- 0.615
Observation
- ID
- 48061
- Category
- science
- Program ID
- 104.20UZ.001
- Program Title
- BETELGEUSE IS BECOMING FAINTER: THE HIGH ANGULAR RESOLUTION RESPONSE
- Program Type
- ToO
- PI / COI
- MONTARGES/ CANTALLOUBE/ HUBY/ CANNON/ KERVELLA/ LAGADEC/ DUPREE/ DECIN/ LEBRE/ PERRIN/ LOPEZ ARISTE
Target
- ID
- 36067
- Name
- Betelgeuse
- RA
- 88.790831
- DEC
- 7.40712
Instrument
Projected baselines
Baseline | Length start | Length end | Angle start | Angle end |
---|---|---|---|---|
A0-B2 | 24.8140 | 24.8570 | 140.2000 | 140.0000 |
A0-D0 | 15.7360 | 16.0950 | 67.9000 | 68.3000 |
A0-C1 | 18.8130 | 18.9560 | 124.7960 | 124.3930 |
B2-D0 | 25.0080 | 24.9920 | 357.0000 | 357.6000 |
B2-C1 | 8.3350 | 8.3300 | 356.9460 | 357.5740 |
D0-C1 | 16.6730 | 16.6630 | 177.0020 | 177.6310 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 104.20UZ.001 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
MJD-OBS | 59458.3482522 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
HIERARCH ESO OBS TARG NAME | Betelgeuse |
HIERARCH ESO INS SOBJ NAME | Betelgeuse |
RA | 88.790831 |
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 | 24.814 |
HIERARCH ESO ISS PBL12 END | 24.857 |
HIERARCH ESO ISS PBLA12 START | 140.2 |
HIERARCH ESO ISS PBLA12 END | 140.0 |
HIERARCH ESO ISS PBL13 START | 15.736 |
HIERARCH ESO ISS PBL13 END | 16.095 |
HIERARCH ESO ISS PBLA13 START | 67.9 |
HIERARCH ESO ISS PBLA13 END | 68.3 |
HIERARCH ESO ISS PBL14 START | 18.813 |
HIERARCH ESO ISS PBL14 END | 18.956 |
HIERARCH ESO ISS PBLA14 START | 124.796 |
HIERARCH ESO ISS PBLA14 END | 124.393 |
HIERARCH ESO ISS PBL23 START | 25.008 |
HIERARCH ESO ISS PBL23 END | 24.992 |
HIERARCH ESO ISS PBLA23 START | 357.0 |
HIERARCH ESO ISS PBLA23 END | 357.6 |
HIERARCH ESO ISS PBL24 START | 8.335 |
HIERARCH ESO ISS PBL24 END | 8.33 |
HIERARCH ESO ISS PBLA24 START | 356.946 |
HIERARCH ESO ISS PBLA24 END | 357.574 |
HIERARCH ESO ISS PBL34 START | 16.673 |
HIERARCH ESO ISS PBL34 END | 16.663 |
HIERARCH ESO ISS PBLA34 START | 177.002 |
HIERARCH ESO ISS PBLA34 END | 177.631 |
HIERARCH ESO ISS AMBI TAU0 START | 0.00329 |
HIERARCH ESO ISS AMBI TAU0 END | 0.003587 |
HIERARCH ESO ISS AMBI TEMP | 12.48 |
HIERARCH ESO ISS AMBI FWHM START | 0.61 |
HIERARCH ESO ISS AMBI FWHM END | 0.62 |