Exposure
- ID
- GRAVI.2024-03-16T08:03:50.352_1
- Header ID
- GRAVI.2024-03-16T08:03:50.352
- Date updated
- 2024-03-16 08:20:30 UTC+0000
- Release date
- 2025-03-16 08:20:30 UTC+0000
- UTC Start
- 2024-03-16 08:03:50.352
- UTC End
- 2024-03-16 08:10:30.352
- MJD Start
- 60385.33599944
- MJD End
- 60385.3406290696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046645
- Ambient temperature (°C)
- 16.57
- Seeing (arcsec)
- 0.875
Observation
- ID
- 58765
- 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
- 43501
- Name
- StarS3
- RA
- 219.845939
- DEC
- -60.82955
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 88.1970 | 88.4580 | 115.3000 | 116.7000 |
| A0-J2 | 129.2290 | 129.1960 | 96.3000 | 97.8000 |
| A0-K0 | 124.5520 | 124.1140 | 78.4480 | 79.9270 |
| G1-J2 | 54.0610 | 53.7680 | 64.3000 | 65.7000 |
| G1-K0 | 75.5800 | 75.1620 | 34.0320 | 35.0890 |
| J2-K0 | 39.7020 | 39.7650 | 350.7090 | 351.6390 |
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 | 60385.33599944 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB |
| HIERARCH ESO INS SOBJ NAME | StarS3 |
| RA | 219.845939 |
| 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 | 88.197 |
| HIERARCH ESO ISS PBL12 END | 88.458 |
| HIERARCH ESO ISS PBLA12 START | 115.3 |
| HIERARCH ESO ISS PBLA12 END | 116.7 |
| HIERARCH ESO ISS PBL13 START | 129.229 |
| HIERARCH ESO ISS PBL13 END | 129.196 |
| HIERARCH ESO ISS PBLA13 START | 96.3 |
| HIERARCH ESO ISS PBLA13 END | 97.8 |
| HIERARCH ESO ISS PBL14 START | 124.552 |
| HIERARCH ESO ISS PBL14 END | 124.114 |
| HIERARCH ESO ISS PBLA14 START | 78.448 |
| HIERARCH ESO ISS PBLA14 END | 79.927 |
| HIERARCH ESO ISS PBL23 START | 54.061 |
| HIERARCH ESO ISS PBL23 END | 53.768 |
| HIERARCH ESO ISS PBLA23 START | 64.3 |
| HIERARCH ESO ISS PBLA23 END | 65.7 |
| HIERARCH ESO ISS PBL24 START | 75.58 |
| HIERARCH ESO ISS PBL24 END | 75.162 |
| HIERARCH ESO ISS PBLA24 START | 34.032 |
| HIERARCH ESO ISS PBLA24 END | 35.089 |
| HIERARCH ESO ISS PBL34 START | 39.702 |
| HIERARCH ESO ISS PBL34 END | 39.765 |
| HIERARCH ESO ISS PBLA34 START | 350.709 |
| HIERARCH ESO ISS PBLA34 END | 351.639 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004707 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004622 |
| HIERARCH ESO ISS AMBI TEMP | 16.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143923.968 |
| HIERARCH ESO FT ROBJ DELTA | -604946.670 |