Exposure
- ID
- GRAVI.2024-02-27T07:47:52.274_1
- Header ID
- GRAVI.2024-02-27T07:47:52.274
- Date updated
- 2024-02-27 08:33:31 UTC+0000
- Release date
- 2025-02-27 08:33:30 UTC+0000
- UTC Start
- 2024-02-27 07:47:52.274
- UTC End
- 2024-02-27 07:54:32.274
- MJD Start
- 60367.32491058
- MJD End
- 60367.3295402096
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0090875
- Ambient temperature (°C)
- 14.49
- Seeing (arcsec)
- 0.54
Observation
- ID
- 58530
- Category
- science
- Program ID
- 112.25BY.001
- 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
- 43329
- Name
- StarS3
- RA
- 219.850593
- DEC
- -60.83028
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.7020 | 49.5580 | 20.6000 | 21.7000 |
| U1-U3 | 92.4270 | 92.1260 | 26.9000 | 28.1000 |
| U1-U4 | 128.2550 | 127.9860 | 51.4800 | 52.8980 |
| U2-U3 | 43.3680 | 43.2230 | 34.1000 | 35.3000 |
| U2-U4 | 89.3150 | 89.3680 | 68.0700 | 69.5940 |
| U3-U4 | 58.5880 | 58.8990 | 92.4950 | 93.9890 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25BY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60367.32491058 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB |
| HIERARCH ESO INS SOBJ NAME | StarS3 |
| RA | 219.850593 |
| DEC | -60.83028 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 49.702 |
| HIERARCH ESO ISS PBL12 END | 49.558 |
| HIERARCH ESO ISS PBLA12 START | 20.6 |
| HIERARCH ESO ISS PBLA12 END | 21.7 |
| HIERARCH ESO ISS PBL13 START | 92.427 |
| HIERARCH ESO ISS PBL13 END | 92.126 |
| HIERARCH ESO ISS PBLA13 START | 26.9 |
| HIERARCH ESO ISS PBLA13 END | 28.1 |
| HIERARCH ESO ISS PBL14 START | 128.255 |
| HIERARCH ESO ISS PBL14 END | 127.986 |
| HIERARCH ESO ISS PBLA14 START | 51.48 |
| HIERARCH ESO ISS PBLA14 END | 52.898 |
| HIERARCH ESO ISS PBL23 START | 43.368 |
| HIERARCH ESO ISS PBL23 END | 43.223 |
| HIERARCH ESO ISS PBLA23 START | 34.1 |
| HIERARCH ESO ISS PBLA23 END | 35.3 |
| HIERARCH ESO ISS PBL24 START | 89.315 |
| HIERARCH ESO ISS PBL24 END | 89.368 |
| HIERARCH ESO ISS PBLA24 START | 68.07 |
| HIERARCH ESO ISS PBLA24 END | 69.594 |
| HIERARCH ESO ISS PBL34 START | 58.588 |
| HIERARCH ESO ISS PBL34 END | 58.899 |
| HIERARCH ESO ISS PBLA34 START | 92.495 |
| HIERARCH ESO ISS PBLA34 END | 93.989 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010355 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00782 |
| HIERARCH ESO ISS AMBI TEMP | 14.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143923.993 |
| HIERARCH ESO FT ROBJ DELTA | -604946.624 |