Exposure
- ID
- GRAVI.2021-05-22T23:52:28.415_1
- Header ID
- GRAVI.2021-05-22T23:52:28.415
- Date updated
- 2021-09-29 14:27:19 UTC+0000
- Release date
- 2022-05-23 00:12:03 UTC+0000
- UTC Start
- 2021-05-22 23:52:28.415
- UTC End
- 2021-05-22 23:57:48.415
- MJD Start
- 59356.99477332
- MJD End
- 59356.9984770237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005788
- Ambient temperature (°C)
- 11.95
- Seeing (arcsec)
- 0.445
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 | 50.9640 | 50.9690 | 358.6000 | 359.5000 |
U1-U3 | 95.5360 | 95.5050 | 3.4000 | 4.4000 |
U1-U4 | 130.2100 | 130.2090 | 22.1620 | 23.4160 |
U2-U3 | 44.9550 | 44.9310 | 8.9000 | 9.9000 |
U2-U4 | 85.9480 | 86.1250 | 35.8750 | 37.2890 |
U3-U4 | 50.2380 | 50.6290 | 59.8610 | 61.3670 |
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 | 59356.99477332 |
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 | 50.964 |
HIERARCH ESO ISS PBL12 END | 50.969 |
HIERARCH ESO ISS PBLA12 START | 358.6 |
HIERARCH ESO ISS PBLA12 END | 359.5 |
HIERARCH ESO ISS PBL13 START | 95.536 |
HIERARCH ESO ISS PBL13 END | 95.505 |
HIERARCH ESO ISS PBLA13 START | 3.4 |
HIERARCH ESO ISS PBLA13 END | 4.4 |
HIERARCH ESO ISS PBL14 START | 130.21 |
HIERARCH ESO ISS PBL14 END | 130.209 |
HIERARCH ESO ISS PBLA14 START | 22.162 |
HIERARCH ESO ISS PBLA14 END | 23.416 |
HIERARCH ESO ISS PBL23 START | 44.955 |
HIERARCH ESO ISS PBL23 END | 44.931 |
HIERARCH ESO ISS PBLA23 START | 8.9 |
HIERARCH ESO ISS PBLA23 END | 9.9 |
HIERARCH ESO ISS PBL24 START | 85.948 |
HIERARCH ESO ISS PBL24 END | 86.125 |
HIERARCH ESO ISS PBLA24 START | 35.875 |
HIERARCH ESO ISS PBLA24 END | 37.289 |
HIERARCH ESO ISS PBL34 START | 50.238 |
HIERARCH ESO ISS PBL34 END | 50.629 |
HIERARCH ESO ISS PBLA34 START | 59.861 |
HIERARCH ESO ISS PBLA34 END | 61.367 |
HIERARCH ESO ISS AMBI TAU0 START | 0.006685 |
HIERARCH ESO ISS AMBI TAU0 END | 0.004891 |
HIERARCH ESO ISS AMBI TEMP | 11.95 |
HIERARCH ESO ISS AMBI FWHM START | 0.41 |
HIERARCH ESO ISS AMBI FWHM END | 0.48 |
HIERARCH ESO FT ROBJ NAME | AlphaCenB_2021_05_22 |
HIERARCH ESO FT ROBJ ALPHA | 143925.133 |
HIERARCH ESO FT ROBJ DELTA | -604949.581 |