Exposure
- ID
- GRAVI.2024-02-29T07:13:54.696_1
- Header ID
- GRAVI.2024-02-29T07:13:54.696
- Date updated
- 2024-02-29 07:30:33 UTC+0000
- Release date
- 2025-02-28 07:30:33 UTC+0000
- UTC Start
- 2024-02-29 07:13:54.696
- UTC End
- 2024-02-29 07:20:34.696
- MJD Start
- 60369.3013275
- MJD End
- 60369.3059571296
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066365
- Ambient temperature (°C)
- 15.25
- Seeing (arcsec)
- 0.7
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 | 20.2050 | 20.3960 | 120.3000 | 121.5000 |
| A0-D0 | 32.0010 | 31.9930 | 54.3000 | 55.8000 |
| A0-C1 | 20.2930 | 20.4380 | 91.6340 | 93.1280 |
| B2-D0 | 30.1010 | 30.0330 | 16.5000 | 17.6000 |
| B2-C1 | 10.0250 | 10.0020 | 16.4580 | 17.5470 |
| D0-C1 | 20.0760 | 20.0310 | 196.5200 | 197.6100 |
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 | 60369.3013275 |
| 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 | 20.205 |
| HIERARCH ESO ISS PBL12 END | 20.396 |
| HIERARCH ESO ISS PBLA12 START | 120.3 |
| HIERARCH ESO ISS PBLA12 END | 121.5 |
| HIERARCH ESO ISS PBL13 START | 32.001 |
| HIERARCH ESO ISS PBL13 END | 31.993 |
| HIERARCH ESO ISS PBLA13 START | 54.3 |
| HIERARCH ESO ISS PBLA13 END | 55.8 |
| HIERARCH ESO ISS PBL14 START | 20.293 |
| HIERARCH ESO ISS PBL14 END | 20.438 |
| HIERARCH ESO ISS PBLA14 START | 91.634 |
| HIERARCH ESO ISS PBLA14 END | 93.128 |
| HIERARCH ESO ISS PBL23 START | 30.101 |
| HIERARCH ESO ISS PBL23 END | 30.033 |
| HIERARCH ESO ISS PBLA23 START | 16.5 |
| HIERARCH ESO ISS PBLA23 END | 17.6 |
| HIERARCH ESO ISS PBL24 START | 10.025 |
| HIERARCH ESO ISS PBL24 END | 10.002 |
| HIERARCH ESO ISS PBLA24 START | 16.458 |
| HIERARCH ESO ISS PBLA24 END | 17.547 |
| HIERARCH ESO ISS PBL34 START | 20.076 |
| HIERARCH ESO ISS PBL34 END | 20.031 |
| HIERARCH ESO ISS PBLA34 START | 196.52 |
| HIERARCH ESO ISS PBLA34 END | 197.61 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006308 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006965 |
| HIERARCH ESO ISS AMBI TEMP | 15.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143923.997 |
| HIERARCH ESO FT ROBJ DELTA | -604946.614 |