Exposure
- ID
- GRAVI.2024-03-05T06:58:43.515_2
- Header ID
- GRAVI.2024-03-05T06:58:43.515
- Date updated
- 2024-03-05 07:15:36 UTC+0000
- Release date
- 2025-03-05 07:15:35 UTC+0000
- UTC Start
- 2024-03-05 06:58:43.515
- UTC End
- 2024-03-05 07:04:43.515
- MJD Start
- 60374.29078142
- MJD End
- 60374.2949480867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0086055
- Ambient temperature (°C)
- 15.95
- Seeing (arcsec)
- 0.7
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 | 81.5620 | 82.0760 | 92.6000 | 93.9000 |
| A0-J2 | 126.1950 | 126.5400 | 72.4000 | 73.8000 |
| A0-K0 | 127.9510 | 127.9130 | 55.2770 | 56.6380 |
| G1-J2 | 57.1090 | 57.0020 | 42.8000 | 44.0000 |
| G1-K0 | 80.1420 | 79.9720 | 17.1960 | 18.1850 |
| J2-K0 | 37.7890 | 37.9490 | 336.4600 | 337.2660 |
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 | 60374.29078142 |
| 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 | 81.562 |
| HIERARCH ESO ISS PBL12 END | 82.076 |
| HIERARCH ESO ISS PBLA12 START | 92.6 |
| HIERARCH ESO ISS PBLA12 END | 93.9 |
| HIERARCH ESO ISS PBL13 START | 126.195 |
| HIERARCH ESO ISS PBL13 END | 126.54 |
| HIERARCH ESO ISS PBLA13 START | 72.4 |
| HIERARCH ESO ISS PBLA13 END | 73.8 |
| HIERARCH ESO ISS PBL14 START | 127.951 |
| HIERARCH ESO ISS PBL14 END | 127.913 |
| HIERARCH ESO ISS PBLA14 START | 55.277 |
| HIERARCH ESO ISS PBLA14 END | 56.638 |
| HIERARCH ESO ISS PBL23 START | 57.109 |
| HIERARCH ESO ISS PBL23 END | 57.002 |
| HIERARCH ESO ISS PBLA23 START | 42.8 |
| HIERARCH ESO ISS PBLA23 END | 44.0 |
| HIERARCH ESO ISS PBL24 START | 80.142 |
| HIERARCH ESO ISS PBL24 END | 79.972 |
| HIERARCH ESO ISS PBLA24 START | 17.196 |
| HIERARCH ESO ISS PBLA24 END | 18.185 |
| HIERARCH ESO ISS PBL34 START | 37.789 |
| HIERARCH ESO ISS PBL34 END | 37.949 |
| HIERARCH ESO ISS PBLA34 START | 336.46 |
| HIERARCH ESO ISS PBLA34 END | 337.266 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00831 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008901 |
| HIERARCH ESO ISS AMBI TEMP | 15.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143924.009 |
| HIERARCH ESO FT ROBJ DELTA | -604946.578 |