Exposure
- ID
- GRAVI.2024-03-05T07:12:16.549_2
- Header ID
- GRAVI.2024-03-05T07:12:16.549
- Date updated
- 2024-03-05 07:30:38 UTC+0000
- Release date
- 2025-03-05 07:30:38 UTC+0000
- UTC Start
- 2024-03-05 07:12:16.549
- UTC End
- 2024-03-05 07:18:16.549
- MJD Start
- 60374.30019154
- MJD End
- 60374.3043582067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00827
- Ambient temperature (°C)
- 15.95
- Seeing (arcsec)
- 0.74
Observation
- ID
- 58626
- Category
- science
- Program ID
- 112.25BY.003
- 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
- 43394
- Name
- AlphaCenB
- RA
- 219.8500375
- DEC
- -60.829605
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 82.6560 | 83.1360 | 95.5000 | 96.8000 |
| A0-J2 | 126.9190 | 127.2220 | 75.4000 | 76.8000 |
| A0-K0 | 127.8470 | 127.7720 | 58.2180 | 59.5690 |
| G1-J2 | 56.8690 | 56.7470 | 45.5000 | 46.8000 |
| G1-K0 | 79.7600 | 79.5660 | 19.3350 | 20.3220 |
| J2-K0 | 38.1270 | 38.2730 | 338.2090 | 339.0220 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25BY.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60374.30019154 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | Star S5 |
| HIERARCH ESO INS SOBJ NAME | Star_S5 |
| RA | 219.845964 |
| DEC | -60.8303 |
| 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 | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 82.656 |
| HIERARCH ESO ISS PBL12 END | 83.136 |
| HIERARCH ESO ISS PBLA12 START | 95.5 |
| HIERARCH ESO ISS PBLA12 END | 96.8 |
| HIERARCH ESO ISS PBL13 START | 126.919 |
| HIERARCH ESO ISS PBL13 END | 127.222 |
| HIERARCH ESO ISS PBLA13 START | 75.4 |
| HIERARCH ESO ISS PBLA13 END | 76.8 |
| HIERARCH ESO ISS PBL14 START | 127.847 |
| HIERARCH ESO ISS PBL14 END | 127.772 |
| HIERARCH ESO ISS PBLA14 START | 58.218 |
| HIERARCH ESO ISS PBLA14 END | 59.569 |
| HIERARCH ESO ISS PBL23 START | 56.869 |
| HIERARCH ESO ISS PBL23 END | 56.747 |
| HIERARCH ESO ISS PBLA23 START | 45.5 |
| HIERARCH ESO ISS PBLA23 END | 46.8 |
| HIERARCH ESO ISS PBL24 START | 79.76 |
| HIERARCH ESO ISS PBL24 END | 79.566 |
| HIERARCH ESO ISS PBLA24 START | 19.335 |
| HIERARCH ESO ISS PBLA24 END | 20.322 |
| HIERARCH ESO ISS PBL34 START | 38.127 |
| HIERARCH ESO ISS PBL34 END | 38.273 |
| HIERARCH ESO ISS PBLA34 START | 338.209 |
| HIERARCH ESO ISS PBLA34 END | 339.022 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008157 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008383 |
| HIERARCH ESO ISS AMBI TEMP | 15.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143924.009 |
| HIERARCH ESO FT ROBJ DELTA | -604946.578 |