Exposure
- ID
- GRAVI.2022-04-11T02:08:14.230_1
- Header ID
- GRAVI.2022-04-11T02:08:14.230
- Date updated
- 2022-04-11 02:26:15 UTC+0000
- Release date
- 2023-04-11 02:26:14 UTC+0000
- UTC Start
- 2022-04-11 02:08:14.230
- UTC End
- 2022-04-11 02:14:54.230
- MJD Start
- 59680.08905359
- MJD End
- 59680.0936832196
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00481
- Ambient temperature (°C)
- 12.0
- Seeing (arcsec)
- 0.59
Observation
- ID
- 50375
- Category
- science
- Program ID
- 106.217D.005
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 37643
- Name
- StarS1
- RA
- 219.84963
- DEC
- -60.83031
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 66.4730 | 67.2360 | 57.0000 | 58.9000 |
| A0-J2 | 115.3190 | 115.8350 | 36.2000 | 38.1000 |
| A0-K0 | 126.1070 | 126.2290 | 21.8070 | 23.4620 |
| G1-J2 | 58.1440 | 58.1340 | 12.3000 | 13.8000 |
| G1-K0 | 81.3480 | 81.4060 | 353.7290 | 354.8410 |
| J2-K0 | 32.1360 | 32.4890 | 318.4810 | 319.2860 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59680.08905359 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB_2022_04_08 |
| HIERARCH ESO INS SOBJ NAME | StarS1 |
| RA | 219.84963 |
| DEC | -60.83031 |
| 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 | 66.473 |
| HIERARCH ESO ISS PBL12 END | 67.236 |
| HIERARCH ESO ISS PBLA12 START | 57.0 |
| HIERARCH ESO ISS PBLA12 END | 58.9 |
| HIERARCH ESO ISS PBL13 START | 115.319 |
| HIERARCH ESO ISS PBL13 END | 115.835 |
| HIERARCH ESO ISS PBLA13 START | 36.2 |
| HIERARCH ESO ISS PBLA13 END | 38.1 |
| HIERARCH ESO ISS PBL14 START | 126.107 |
| HIERARCH ESO ISS PBL14 END | 126.229 |
| HIERARCH ESO ISS PBLA14 START | 21.807 |
| HIERARCH ESO ISS PBLA14 END | 23.462 |
| HIERARCH ESO ISS PBL23 START | 58.144 |
| HIERARCH ESO ISS PBL23 END | 58.134 |
| HIERARCH ESO ISS PBLA23 START | 12.3 |
| HIERARCH ESO ISS PBLA23 END | 13.8 |
| HIERARCH ESO ISS PBL24 START | 81.348 |
| HIERARCH ESO ISS PBL24 END | 81.406 |
| HIERARCH ESO ISS PBLA24 START | 353.729 |
| HIERARCH ESO ISS PBLA24 END | 354.841 |
| HIERARCH ESO ISS PBL34 START | 32.136 |
| HIERARCH ESO ISS PBL34 END | 32.489 |
| HIERARCH ESO ISS PBLA34 START | 318.481 |
| HIERARCH ESO ISS PBLA34 END | 319.286 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004886 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004734 |
| HIERARCH ESO ISS AMBI TEMP | 12.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB_2022_04_08 |
| HIERARCH ESO FT ROBJ ALPHA | 143924.807 |
| HIERARCH ESO FT ROBJ DELTA | -604948.751 |