Exposure
- ID
- GRAVI.2021-11-27T04:14:55.524_1
- Header ID
- GRAVI.2021-11-27T04:14:55.524
- Date updated
- 2021-11-27 04:30:53 UTC+0000
- Release date
- 2022-11-27 04:30:53 UTC+0000
- UTC Start
- 2021-11-27 04:14:55.524
- UTC End
- 2021-11-27 04:16:31.524
- MJD Start
- 59545.17703153
- MJD End
- 59545.1781426411
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048205
- Ambient temperature (°C)
- 12.11
- Seeing (arcsec)
- 0.66
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 | 25.2130 | 25.1910 | 136.0000 | 136.0000 |
| A0-D0 | 25.2110 | 25.4750 | 73.9000 | 74.0000 |
| A0-C1 | 22.0250 | 22.0880 | 116.3490 | 116.1630 |
| B2-D0 | 26.0030 | 26.0830 | 15.0000 | 15.5000 |
| B2-C1 | 8.6640 | 8.6900 | 14.9220 | 15.4650 |
| D0-C1 | 17.3390 | 17.3930 | 195.0000 | 195.5430 |
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 | 59545.17703153 |
| 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 | 25.213 |
| HIERARCH ESO ISS PBL12 END | 25.191 |
| HIERARCH ESO ISS PBLA12 START | 136.0 |
| HIERARCH ESO ISS PBLA12 END | 136.0 |
| HIERARCH ESO ISS PBL13 START | 25.211 |
| HIERARCH ESO ISS PBL13 END | 25.475 |
| HIERARCH ESO ISS PBLA13 START | 73.9 |
| HIERARCH ESO ISS PBLA13 END | 74.0 |
| HIERARCH ESO ISS PBL14 START | 22.025 |
| HIERARCH ESO ISS PBL14 END | 22.088 |
| HIERARCH ESO ISS PBLA14 START | 116.349 |
| HIERARCH ESO ISS PBLA14 END | 116.163 |
| HIERARCH ESO ISS PBL23 START | 26.003 |
| HIERARCH ESO ISS PBL23 END | 26.083 |
| HIERARCH ESO ISS PBLA23 START | 15.0 |
| HIERARCH ESO ISS PBLA23 END | 15.5 |
| HIERARCH ESO ISS PBL24 START | 8.664 |
| HIERARCH ESO ISS PBL24 END | 8.69 |
| HIERARCH ESO ISS PBLA24 START | 14.922 |
| HIERARCH ESO ISS PBLA24 END | 15.465 |
| HIERARCH ESO ISS PBL34 START | 17.339 |
| HIERARCH ESO ISS PBL34 END | 17.393 |
| HIERARCH ESO ISS PBLA34 START | 195.0 |
| HIERARCH ESO ISS PBLA34 END | 195.543 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004731 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00491 |
| HIERARCH ESO ISS AMBI TEMP | 12.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |