Exposure
- ID
- GRAVI.2024-02-29T07:28:39.734_1
- Header ID
- GRAVI.2024-02-29T07:28:39.734
- Date updated
- 2024-02-29 07:45:36 UTC+0000
- Release date
- 2025-02-28 07:45:36 UTC+0000
- UTC Start
- 2024-02-29 07:28:39.734
- UTC End
- 2024-02-29 07:35:19.734
- MJD Start
- 60369.31157099
- MJD End
- 60369.3162006196
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066715
- Ambient temperature (°C)
- 15.26
- Seeing (arcsec)
- 0.765
Observation
- ID
- 58567
- Category
- science
- Program ID
- 112.25BY.002
- Program Title
- GRAVITY ASTROMETRY OF STELLAR CONJUNCTIONS OF ALPHA CEN FOR STELLAR PHYSICS AND EXOPLANETS
- Program Type
- Normal
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ ROUSSELET-PERRAUT/ PERRIN
Target
- ID
- 43363
- Name
- StarS3
- RA
- 219.845994
- DEC
- -60.82954
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 20.6050 | 20.7830 | 122.8000 | 124.0000 |
| A0-D0 | 31.9790 | 31.9600 | 57.5000 | 59.0000 |
| A0-C1 | 20.5960 | 20.7310 | 94.8190 | 96.2940 |
| B2-D0 | 29.9500 | 29.8720 | 18.8000 | 19.9000 |
| B2-C1 | 9.9750 | 9.9490 | 18.7880 | 19.8740 |
| D0-C1 | 19.9760 | 19.9240 | 198.8520 | 199.9380 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25BY.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60369.31157099 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB |
| HIERARCH ESO INS SOBJ NAME | StarS3 |
| RA | 219.845994 |
| DEC | -60.82954 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 20.605 |
| HIERARCH ESO ISS PBL12 END | 20.783 |
| HIERARCH ESO ISS PBLA12 START | 122.8 |
| HIERARCH ESO ISS PBLA12 END | 124.0 |
| HIERARCH ESO ISS PBL13 START | 31.979 |
| HIERARCH ESO ISS PBL13 END | 31.96 |
| HIERARCH ESO ISS PBLA13 START | 57.5 |
| HIERARCH ESO ISS PBLA13 END | 59.0 |
| HIERARCH ESO ISS PBL14 START | 20.596 |
| HIERARCH ESO ISS PBL14 END | 20.731 |
| HIERARCH ESO ISS PBLA14 START | 94.819 |
| HIERARCH ESO ISS PBLA14 END | 96.294 |
| HIERARCH ESO ISS PBL23 START | 29.95 |
| HIERARCH ESO ISS PBL23 END | 29.872 |
| HIERARCH ESO ISS PBLA23 START | 18.8 |
| HIERARCH ESO ISS PBLA23 END | 19.9 |
| HIERARCH ESO ISS PBL24 START | 9.975 |
| HIERARCH ESO ISS PBL24 END | 9.949 |
| HIERARCH ESO ISS PBLA24 START | 18.788 |
| HIERARCH ESO ISS PBLA24 END | 19.874 |
| HIERARCH ESO ISS PBL34 START | 19.976 |
| HIERARCH ESO ISS PBL34 END | 19.924 |
| HIERARCH ESO ISS PBLA34 START | 198.852 |
| HIERARCH ESO ISS PBLA34 END | 199.938 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006409 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006934 |
| HIERARCH ESO ISS AMBI TEMP | 15.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143923.997 |
| HIERARCH ESO FT ROBJ DELTA | -604946.614 |