Exposure
ID
GRAVI.2022-04-28T02:49:41.772_1
Header ID
GRAVI.2022-04-28T02:49:41.772
Date updated
2022-04-28 03:01:48 UTC+0000
Release date
2022-04-28 02:49:41 UTC+0000
UTC Start
2022-04-28 02:49:41.772
UTC End
2022-04-28 02:50:41.772
MJD Start
59697.11784458
MJD End
59697.1185390245
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004324
Ambient temperature (°C)
12.82
Seeing (arcsec)
0.69
Observation
ID
50670
Category
calibrator
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
37813
Name
WDSJ15479-6527B
RA
236.965677
DEC
-65.44266
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 16.4810 16.5250 96.7000 96.9000
A0-D0 31.9360 31.9380 30.9000 31.2000
A0-C1 18.1620 18.1900 64.4020 64.7290
B2-D0 29.3070 29.3060 0.1000 0.3000
B2-C1 9.7590 9.7590 0.0640 0.2730
D0-C1 19.5470 19.5470 180.1170 180.3260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.217D.008
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 59697.11784458
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME WDSJ15479-6527A
HIERARCH ESO INS SOBJ NAME WDSJ15479-6527B
RA 236.965677
DEC -65.44266
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 79.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 20
HIERARCH ESO ISS PBL12 START 16.481
HIERARCH ESO ISS PBL12 END 16.525
HIERARCH ESO ISS PBLA12 START 96.7
HIERARCH ESO ISS PBLA12 END 96.9
HIERARCH ESO ISS PBL13 START 31.936
HIERARCH ESO ISS PBL13 END 31.938
HIERARCH ESO ISS PBLA13 START 30.9
HIERARCH ESO ISS PBLA13 END 31.2
HIERARCH ESO ISS PBL14 START 18.162
HIERARCH ESO ISS PBL14 END 18.19
HIERARCH ESO ISS PBLA14 START 64.402
HIERARCH ESO ISS PBLA14 END 64.729
HIERARCH ESO ISS PBL23 START 29.307
HIERARCH ESO ISS PBL23 END 29.306
HIERARCH ESO ISS PBLA23 START 0.1
HIERARCH ESO ISS PBLA23 END 0.3
HIERARCH ESO ISS PBL24 START 9.759
HIERARCH ESO ISS PBL24 END 9.759
HIERARCH ESO ISS PBLA24 START 0.064
HIERARCH ESO ISS PBLA24 END 0.273
HIERARCH ESO ISS PBL34 START 19.547
HIERARCH ESO ISS PBL34 END 19.547
HIERARCH ESO ISS PBLA34 START 180.117
HIERARCH ESO ISS PBLA34 END 180.326
HIERARCH ESO ISS AMBI TAU0 START 0.004097
HIERARCH ESO ISS AMBI TAU0 END 0.004551
HIERARCH ESO ISS AMBI TEMP 12.82
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.65
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527A
HIERARCH ESO FT ROBJ ALPHA 154753.056
HIERARCH ESO FT ROBJ DELTA -652632.308