Exposure
- ID
- GRAVI.2022-04-28T03:25:56.862_1
- Header ID
- GRAVI.2022-04-28T03:25:56.862
- Date updated
- 2022-04-28 03:46:29 UTC+0000
- Release date
- 2023-04-28 03:46:29 UTC+0000
- UTC Start
- 2022-04-28 03:25:56.862
- UTC End
- 2022-04-28 03:32:36.862
- MJD Start
- 59697.14301924
- MJD End
- 59697.1476488696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034415
- Ambient temperature (°C)
- 13.41
- Seeing (arcsec)
- 0.735
Observation
- ID
- 50674
- Category
- science
- Program ID
- 106.217D.008
- 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
- 37817
- Name
- StarS2
- RA
- 219.847606
- DEC
- -60.83188
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 20.2650 | 20.4540 | 120.7000 | 121.9000 |
| A0-D0 | 31.9990 | 31.9900 | 54.8000 | 56.3000 |
| A0-C1 | 20.3380 | 20.4820 | 92.0910 | 93.5930 |
| B2-D0 | 30.0820 | 30.0120 | 16.8000 | 17.9000 |
| B2-C1 | 10.0180 | 9.9950 | 16.7890 | 17.8860 |
| D0-C1 | 20.0630 | 20.0170 | 196.8510 | 197.9490 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.008 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59697.14301924 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenA_2022_04_29 |
| HIERARCH ESO INS SOBJ NAME | StarS2 |
| RA | 219.847606 |
| DEC | -60.83188 |
| 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 | 20.265 |
| HIERARCH ESO ISS PBL12 END | 20.454 |
| HIERARCH ESO ISS PBLA12 START | 120.7 |
| HIERARCH ESO ISS PBLA12 END | 121.9 |
| HIERARCH ESO ISS PBL13 START | 31.999 |
| HIERARCH ESO ISS PBL13 END | 31.99 |
| HIERARCH ESO ISS PBLA13 START | 54.8 |
| HIERARCH ESO ISS PBLA13 END | 56.3 |
| HIERARCH ESO ISS PBL14 START | 20.338 |
| HIERARCH ESO ISS PBL14 END | 20.482 |
| HIERARCH ESO ISS PBLA14 START | 92.091 |
| HIERARCH ESO ISS PBLA14 END | 93.593 |
| HIERARCH ESO ISS PBL23 START | 30.082 |
| HIERARCH ESO ISS PBL23 END | 30.012 |
| HIERARCH ESO ISS PBLA23 START | 16.8 |
| HIERARCH ESO ISS PBLA23 END | 17.9 |
| HIERARCH ESO ISS PBL24 START | 10.018 |
| HIERARCH ESO ISS PBL24 END | 9.995 |
| HIERARCH ESO ISS PBLA24 START | 16.789 |
| HIERARCH ESO ISS PBLA24 END | 17.886 |
| HIERARCH ESO ISS PBL34 START | 20.063 |
| HIERARCH ESO ISS PBL34 END | 20.017 |
| HIERARCH ESO ISS PBLA34 START | 196.851 |
| HIERARCH ESO ISS PBLA34 END | 197.949 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003066 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003817 |
| HIERARCH ESO ISS AMBI TEMP | 13.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenA_2022_04_29 |
| HIERARCH ESO FT ROBJ ALPHA | 143924.751 |
| HIERARCH ESO FT ROBJ DELTA | -604955.695 |