Exposure
- ID
- GRAVI.2024-03-18T05:19:55.577_1
- Header ID
- GRAVI.2024-03-18T05:19:55.577
- Date updated
- 2024-03-18 05:35:31 UTC+0000
- Release date
- 2025-03-18 05:35:31 UTC+0000
- UTC Start
- 2024-03-18 05:19:55.577
- UTC End
- 2024-03-18 05:26:35.577
- MJD Start
- 60387.22217103
- MJD End
- 60387.2268006596
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0126995
- Ambient temperature (°C)
- 16.34
- Seeing (arcsec)
- 0.385
Observation
- ID
- 58792
- 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
- 43526
- Name
- StarS4
- RA
- 219.844272
- DEC
- -60.82911
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 77.1870 | 77.8660 | 82.0000 | 83.6000 |
| A0-J2 | 123.0610 | 123.5620 | 61.3000 | 62.9000 |
| A0-K0 | 127.7810 | 127.8490 | 44.7670 | 46.3080 |
| G1-J2 | 57.7050 | 57.6400 | 33.1000 | 34.5000 |
| G1-K0 | 81.1060 | 81.0020 | 9.6250 | 10.7260 |
| J2-K0 | 36.3620 | 36.5920 | 330.4220 | 331.2850 |
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 | 60387.22217103 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB |
| HIERARCH ESO INS SOBJ NAME | StarS4 |
| RA | 219.844272 |
| DEC | -60.82911 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 77.187 |
| HIERARCH ESO ISS PBL12 END | 77.866 |
| HIERARCH ESO ISS PBLA12 START | 82.0 |
| HIERARCH ESO ISS PBLA12 END | 83.6 |
| HIERARCH ESO ISS PBL13 START | 123.061 |
| HIERARCH ESO ISS PBL13 END | 123.562 |
| HIERARCH ESO ISS PBLA13 START | 61.3 |
| HIERARCH ESO ISS PBLA13 END | 62.9 |
| HIERARCH ESO ISS PBL14 START | 127.781 |
| HIERARCH ESO ISS PBL14 END | 127.849 |
| HIERARCH ESO ISS PBLA14 START | 44.767 |
| HIERARCH ESO ISS PBLA14 END | 46.308 |
| HIERARCH ESO ISS PBL23 START | 57.705 |
| HIERARCH ESO ISS PBL23 END | 57.64 |
| HIERARCH ESO ISS PBLA23 START | 33.1 |
| HIERARCH ESO ISS PBLA23 END | 34.5 |
| HIERARCH ESO ISS PBL24 START | 81.106 |
| HIERARCH ESO ISS PBL24 END | 81.002 |
| HIERARCH ESO ISS PBLA24 START | 9.625 |
| HIERARCH ESO ISS PBLA24 END | 10.726 |
| HIERARCH ESO ISS PBL34 START | 36.362 |
| HIERARCH ESO ISS PBL34 END | 36.592 |
| HIERARCH ESO ISS PBLA34 START | 330.422 |
| HIERARCH ESO ISS PBLA34 END | 331.285 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013741 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011658 |
| HIERARCH ESO ISS AMBI TEMP | 16.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143923.934 |
| HIERARCH ESO FT ROBJ DELTA | -604946.699 |