Exposure
ID
GRAVI.2023-02-24T08:52:35.666_2
Header ID
GRAVI.2023-02-24T08:52:35.666
Date updated
2023-02-24 09:00:47 UTC+0000
Release date
2023-02-24 08:52:35 UTC+0000
UTC Start
2023-02-24 08:52:35.666
UTC End
2023-02-24 08:54:05.666
MJD Start
59999.36985724
MJD End
59999.37089890667
Exposure time (s)
90.0
Validation level
1
Tau 0: Coherence time (s)
0.0033405
Ambient temperature (°C)
11.28
Seeing (arcsec)
1.065
Observation
ID
54266
Category
calibrator
Program ID
106.217D.005
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
37814
Name
WDSJ15479-6527A
RA
236.97106666666664
DEC
-65.44230777777778
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 19.8940 19.9380 119.3000 119.6000
A0-D0 31.9080 31.9010 57.0000 57.4000
A0-C1 20.4890 20.5200 91.9750 92.3750
B2-D0 28.7000 28.6800 19.2000 19.5000
B2-C1 9.5580 9.5510 19.1150 19.4080
D0-C1 19.1420 19.1290 199.1800 199.4730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.217D.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 59999.36985724
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME WDSJ15479-6527A
HIERARCH ESO INS SOBJ NAME WDSJ15479-6527B
RA 236.965666
DEC -65.44267
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 111.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 30
HIERARCH ESO ISS PBL12 START 19.894
HIERARCH ESO ISS PBL12 END 19.938
HIERARCH ESO ISS PBLA12 START 119.3
HIERARCH ESO ISS PBLA12 END 119.6
HIERARCH ESO ISS PBL13 START 31.908
HIERARCH ESO ISS PBL13 END 31.901
HIERARCH ESO ISS PBLA13 START 57.0
HIERARCH ESO ISS PBLA13 END 57.4
HIERARCH ESO ISS PBL14 START 20.489
HIERARCH ESO ISS PBL14 END 20.52
HIERARCH ESO ISS PBLA14 START 91.975
HIERARCH ESO ISS PBLA14 END 92.375
HIERARCH ESO ISS PBL23 START 28.7
HIERARCH ESO ISS PBL23 END 28.68
HIERARCH ESO ISS PBLA23 START 19.2
HIERARCH ESO ISS PBLA23 END 19.5
HIERARCH ESO ISS PBL24 START 9.558
HIERARCH ESO ISS PBL24 END 9.551
HIERARCH ESO ISS PBLA24 START 19.115
HIERARCH ESO ISS PBLA24 END 19.408
HIERARCH ESO ISS PBL34 START 19.142
HIERARCH ESO ISS PBL34 END 19.129
HIERARCH ESO ISS PBLA34 START 199.18
HIERARCH ESO ISS PBLA34 END 199.473
HIERARCH ESO ISS AMBI TAU0 START 0.003543
HIERARCH ESO ISS AMBI TAU0 END 0.003138
HIERARCH ESO ISS AMBI TEMP 11.28
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.11
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527A
HIERARCH ESO FT ROBJ ALPHA 154753.056
HIERARCH ESO FT ROBJ DELTA -652632.308