Exposure
- ID
- GRAVI.2021-05-23T00:30:01.510_1
- Header ID
- GRAVI.2021-05-23T00:30:01.510
- Date updated
- 2021-09-29 14:27:19 UTC+0000
- Release date
- 2022-05-23 00:50:16 UTC+0000
- UTC Start
- 2021-05-23 00:30:01.510
- UTC End
- 2021-05-23 00:35:21.510
- MJD Start
- 59357.02085081
- MJD End
- 59357.0245545137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0069525
- Ambient temperature (°C)
- 11.19
- Seeing (arcsec)
- 0.435
Observation
- ID
- 47437
- Category
- science
- Program ID
- 106.217D.002
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ M\XC3\XA9RAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 35577
- Name
- StarS1
- RA
- 219.859958
- DEC
- -60.83039
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.9090 | 50.8830 | 4.6000 | 5.5000 |
| U1-U3 | 95.1920 | 95.1090 | 9.8000 | 10.8000 |
| U1-U4 | 130.1350 | 130.1050 | 30.3180 | 31.5510 |
| U2-U3 | 44.7370 | 44.6920 | 15.8000 | 16.9000 |
| U2-U4 | 87.1100 | 87.2840 | 45.0010 | 46.3670 |
| U3-U4 | 52.7800 | 53.1600 | 69.4250 | 70.8280 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59357.02085081 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB_2021_05_22 |
| HIERARCH ESO INS SOBJ NAME | StarS1 |
| RA | 219.859958 |
| DEC | -60.83039 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 50.909 |
| HIERARCH ESO ISS PBL12 END | 50.883 |
| HIERARCH ESO ISS PBLA12 START | 4.6 |
| HIERARCH ESO ISS PBLA12 END | 5.5 |
| HIERARCH ESO ISS PBL13 START | 95.192 |
| HIERARCH ESO ISS PBL13 END | 95.109 |
| HIERARCH ESO ISS PBLA13 START | 9.8 |
| HIERARCH ESO ISS PBLA13 END | 10.8 |
| HIERARCH ESO ISS PBL14 START | 130.135 |
| HIERARCH ESO ISS PBL14 END | 130.105 |
| HIERARCH ESO ISS PBLA14 START | 30.318 |
| HIERARCH ESO ISS PBLA14 END | 31.551 |
| HIERARCH ESO ISS PBL23 START | 44.737 |
| HIERARCH ESO ISS PBL23 END | 44.692 |
| HIERARCH ESO ISS PBLA23 START | 15.8 |
| HIERARCH ESO ISS PBLA23 END | 16.9 |
| HIERARCH ESO ISS PBL24 START | 87.11 |
| HIERARCH ESO ISS PBL24 END | 87.284 |
| HIERARCH ESO ISS PBLA24 START | 45.001 |
| HIERARCH ESO ISS PBLA24 END | 46.367 |
| HIERARCH ESO ISS PBL34 START | 52.78 |
| HIERARCH ESO ISS PBL34 END | 53.16 |
| HIERARCH ESO ISS PBLA34 START | 69.425 |
| HIERARCH ESO ISS PBLA34 END | 70.828 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006775 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00713 |
| HIERARCH ESO ISS AMBI TEMP | 11.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB_2021_05_22 |
| HIERARCH ESO FT ROBJ ALPHA | 143925.133 |
| HIERARCH ESO FT ROBJ DELTA | -604949.581 |