Exposure
- ID
- GRAVI.2024-03-17T07:12:32.635_2
- Header ID
- GRAVI.2024-03-17T07:12:32.635
- Date updated
- 2024-03-17 07:25:41 UTC+0000
- Release date
- 2025-03-17 07:25:41 UTC+0000
- UTC Start
- 2024-03-17 07:12:32.635
- UTC End
- 2024-03-17 07:19:12.635
- MJD Start
- 60386.30037772
- MJD End
- 60386.3050073496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0062995
- Ambient temperature (°C)
- 16.73
- Seeing (arcsec)
- 0.835
Observation
- ID
- 58779
- 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
- 43514
- Name
- AlphaCenB
- RA
- 219.849725
- DEC
- -60.8296386111111
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 | 85.8950 | 86.2880 | 105.5000 | 106.9000 |
| A0-J2 | 128.7090 | 128.8660 | 86.0000 | 87.5000 |
| A0-K0 | 126.8050 | 126.5550 | 68.3770 | 69.8450 |
| G1-J2 | 55.7320 | 55.5230 | 54.9000 | 56.3000 |
| G1-K0 | 78.0130 | 77.7030 | 26.7490 | 27.8180 |
| J2-K0 | 39.0830 | 39.1940 | 344.4120 | 345.3240 |
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 | 60386.30037772 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB |
| HIERARCH ESO INS SOBJ NAME | StarS3 |
| RA | 219.845872 |
| DEC | -60.82955 |
| 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 | 85.895 |
| HIERARCH ESO ISS PBL12 END | 86.288 |
| HIERARCH ESO ISS PBLA12 START | 105.5 |
| HIERARCH ESO ISS PBLA12 END | 106.9 |
| HIERARCH ESO ISS PBL13 START | 128.709 |
| HIERARCH ESO ISS PBL13 END | 128.866 |
| HIERARCH ESO ISS PBLA13 START | 86.0 |
| HIERARCH ESO ISS PBLA13 END | 87.5 |
| HIERARCH ESO ISS PBL14 START | 126.805 |
| HIERARCH ESO ISS PBL14 END | 126.555 |
| HIERARCH ESO ISS PBLA14 START | 68.377 |
| HIERARCH ESO ISS PBLA14 END | 69.845 |
| HIERARCH ESO ISS PBL23 START | 55.732 |
| HIERARCH ESO ISS PBL23 END | 55.523 |
| HIERARCH ESO ISS PBLA23 START | 54.9 |
| HIERARCH ESO ISS PBLA23 END | 56.3 |
| HIERARCH ESO ISS PBL24 START | 78.013 |
| HIERARCH ESO ISS PBL24 END | 77.703 |
| HIERARCH ESO ISS PBLA24 START | 26.749 |
| HIERARCH ESO ISS PBLA24 END | 27.818 |
| HIERARCH ESO ISS PBL34 START | 39.083 |
| HIERARCH ESO ISS PBL34 END | 39.194 |
| HIERARCH ESO ISS PBLA34 START | 344.412 |
| HIERARCH ESO ISS PBLA34 END | 345.324 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005662 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006937 |
| HIERARCH ESO ISS AMBI TEMP | 16.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.85 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143923.934 |
| HIERARCH ESO FT ROBJ DELTA | -604946.699 |