Exposure
- ID
- GRAVI.2021-05-23T00:23:31.493_1
- Header ID
- GRAVI.2021-05-23T00:23:31.493
- Date updated
- 2021-09-29 14:27:19 UTC+0000
- Release date
- 2022-05-23 00:40:25 UTC+0000
- UTC Start
- 2021-05-23 00:23:31.493
- UTC End
- 2021-05-23 00:28:51.493
- MJD Start
- 59357.01633673
- MJD End
- 59357.0200404337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007756
- Ambient temperature (°C)
- 11.61
- Seeing (arcsec)
- 0.48
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 | 50.9340 | 50.9120 | 3.6000 | 4.5000 |
U1-U3 | 95.2760 | 95.2030 | 8.7000 | 9.7000 |
U1-U4 | 130.1620 | 130.1390 | 28.9150 | 30.1520 |
U2-U3 | 44.7850 | 44.7430 | 14.6000 | 15.7000 |
U2-U4 | 86.9110 | 87.0870 | 43.4430 | 44.8180 |
U3-U4 | 52.3460 | 52.7290 | 67.8160 | 69.2360 |
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 | 59357.01633673 |
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 | 50.934 |
HIERARCH ESO ISS PBL12 END | 50.912 |
HIERARCH ESO ISS PBLA12 START | 3.6 |
HIERARCH ESO ISS PBLA12 END | 4.5 |
HIERARCH ESO ISS PBL13 START | 95.276 |
HIERARCH ESO ISS PBL13 END | 95.203 |
HIERARCH ESO ISS PBLA13 START | 8.7 |
HIERARCH ESO ISS PBLA13 END | 9.7 |
HIERARCH ESO ISS PBL14 START | 130.162 |
HIERARCH ESO ISS PBL14 END | 130.139 |
HIERARCH ESO ISS PBLA14 START | 28.915 |
HIERARCH ESO ISS PBLA14 END | 30.152 |
HIERARCH ESO ISS PBL23 START | 44.785 |
HIERARCH ESO ISS PBL23 END | 44.743 |
HIERARCH ESO ISS PBLA23 START | 14.6 |
HIERARCH ESO ISS PBLA23 END | 15.7 |
HIERARCH ESO ISS PBL24 START | 86.911 |
HIERARCH ESO ISS PBL24 END | 87.087 |
HIERARCH ESO ISS PBLA24 START | 43.443 |
HIERARCH ESO ISS PBLA24 END | 44.818 |
HIERARCH ESO ISS PBL34 START | 52.346 |
HIERARCH ESO ISS PBL34 END | 52.729 |
HIERARCH ESO ISS PBLA34 START | 67.816 |
HIERARCH ESO ISS PBLA34 END | 69.236 |
HIERARCH ESO ISS AMBI TAU0 START | 0.008737 |
HIERARCH ESO ISS AMBI TAU0 END | 0.006775 |
HIERARCH ESO ISS AMBI TEMP | 11.61 |
HIERARCH ESO ISS AMBI FWHM START | 0.53 |
HIERARCH ESO ISS AMBI FWHM END | 0.43 |
HIERARCH ESO FT ROBJ NAME | AlphaCenB_2021_05_22 |
HIERARCH ESO FT ROBJ ALPHA | 143925.133 |
HIERARCH ESO FT ROBJ DELTA | -604949.581 |