Exposure
- ID
- GRAVI.2021-09-01T08:36:56.029_1
- Header ID
- GRAVI.2021-09-01T08:36:56.029
- Date updated
- 2021-09-01 08:50:54 UTC+0000
- Release date
- 2022-09-01 08:50:54 UTC+0000
- UTC Start
- 2021-09-01 08:36:56.029
- UTC End
- 2021-09-01 08:38:32.029
- MJD Start
- 59458.35898182
- MJD End
- 59458.3600929311
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050055
- Ambient temperature (°C)
- 12.48
- Seeing (arcsec)
- 0.515
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 | 25.0040 | 25.0390 | 139.2000 | 139.0000 |
| A0-D0 | 17.4450 | 17.7970 | 69.7000 | 70.0000 |
| A0-C1 | 19.4830 | 19.6170 | 122.9520 | 122.5940 |
| B2-D0 | 24.9670 | 24.9690 | 0.0000 | 0.6000 |
| B2-C1 | 8.3210 | 8.3210 | 359.9710 | 0.6060 |
| D0-C1 | 16.6460 | 16.6480 | 180.0330 | 180.6680 |
Invalid fields
| Key |
|---|
| PROJECTED_BASELINES |
Header: validation messages
| Message |
|---|
| Invalid value for 'HIERARCH ESO ISS PBLA23 START' : '0.0' |
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 | 59458.35898182 |
| 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 | 25.004 |
| HIERARCH ESO ISS PBL12 END | 25.039 |
| HIERARCH ESO ISS PBLA12 START | 139.2 |
| HIERARCH ESO ISS PBLA12 END | 139.0 |
| HIERARCH ESO ISS PBL13 START | 17.445 |
| HIERARCH ESO ISS PBL13 END | 17.797 |
| HIERARCH ESO ISS PBLA13 START | 69.7 |
| HIERARCH ESO ISS PBLA13 END | 70.0 |
| HIERARCH ESO ISS PBL14 START | 19.483 |
| HIERARCH ESO ISS PBL14 END | 19.617 |
| HIERARCH ESO ISS PBLA14 START | 122.952 |
| HIERARCH ESO ISS PBLA14 END | 122.594 |
| HIERARCH ESO ISS PBL23 START | 24.967 |
| HIERARCH ESO ISS PBL23 END | 24.969 |
| HIERARCH ESO ISS PBLA23 START | 0.0 |
| HIERARCH ESO ISS PBLA23 END | 0.6 |
| HIERARCH ESO ISS PBL24 START | 8.321 |
| HIERARCH ESO ISS PBL24 END | 8.321 |
| HIERARCH ESO ISS PBLA24 START | 359.971 |
| HIERARCH ESO ISS PBLA24 END | 0.606 |
| HIERARCH ESO ISS PBL34 START | 16.646 |
| HIERARCH ESO ISS PBL34 END | 16.648 |
| HIERARCH ESO ISS PBLA34 START | 180.033 |
| HIERARCH ESO ISS PBLA34 END | 180.668 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005293 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004718 |
| HIERARCH ESO ISS AMBI TEMP | 12.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |