Exposure
ID
GRAVI.2022-04-28T04:37:48.043_1
Header ID
GRAVI.2022-04-28T04:37:48.043
Date updated
2022-04-28 04:46:38 UTC+0000
Release date
2022-04-28 04:37:48 UTC+0000
UTC Start
2022-04-28 04:37:48.043
UTC End
2022-04-28 04:38:48.043
MJD Start
59697.19291717
MJD End
59697.1936116144
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003426
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.665
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 19.7420 19.7730 118.2000 118.4000
A0-D0 31.9290 31.9250 55.6000 55.9000
A0-C1 20.3820 20.4040 90.5840 90.8690
B2-D0 28.7630 28.7510 18.1000 18.3000
B2-C1 9.5790 9.5750 18.0970 18.3040
D0-C1 19.1850 19.1760 198.1610 198.3680
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 59697.19291717
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 19.742
HIERARCH ESO ISS PBL12 END 19.773
HIERARCH ESO ISS PBLA12 START 118.2
HIERARCH ESO ISS PBLA12 END 118.4
HIERARCH ESO ISS PBL13 START 31.929
HIERARCH ESO ISS PBL13 END 31.925
HIERARCH ESO ISS PBLA13 START 55.6
HIERARCH ESO ISS PBLA13 END 55.9
HIERARCH ESO ISS PBL14 START 20.382
HIERARCH ESO ISS PBL14 END 20.404
HIERARCH ESO ISS PBLA14 START 90.584
HIERARCH ESO ISS PBLA14 END 90.869
HIERARCH ESO ISS PBL23 START 28.763
HIERARCH ESO ISS PBL23 END 28.751
HIERARCH ESO ISS PBLA23 START 18.1
HIERARCH ESO ISS PBLA23 END 18.3
HIERARCH ESO ISS PBL24 START 9.579
HIERARCH ESO ISS PBL24 END 9.575
HIERARCH ESO ISS PBLA24 START 18.097
HIERARCH ESO ISS PBLA24 END 18.304
HIERARCH ESO ISS PBL34 START 19.185
HIERARCH ESO ISS PBL34 END 19.176
HIERARCH ESO ISS PBLA34 START 198.161
HIERARCH ESO ISS PBLA34 END 198.368
HIERARCH ESO ISS AMBI TAU0 START 0.003671
HIERARCH ESO ISS AMBI TAU0 END 0.003181
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.7
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527A
HIERARCH ESO FT ROBJ ALPHA 154753.056
HIERARCH ESO FT ROBJ DELTA -652632.308