Exposure
ID
GRAVI.2023-03-23T06:04:35.864_2
Header ID
GRAVI.2023-03-23T06:04:35.864
Date updated
2023-03-23 06:11:05 UTC+0000
Release date
2023-03-23 06:04:35 UTC+0000
UTC Start
2023-03-23 06:04:35.864
UTC End
2023-03-23 06:06:05.864
MJD Start
60026.25319287
MJD End
60026.2542345367
Exposure time (s)
90.0
Validation level
1
Tau 0: Coherence time (s)
0.005482
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.6
Observation
ID
54183
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
236.971066666667
DEC
-65.4423077777778
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.1960 77.3450 77.5000 78.0000
A0-J2 124.1130 124.2120 58.3000 58.8000
A0-K0 127.9770 127.9790 43.0260 43.4360
G1-J2 57.1370 57.1180 32.0000 32.4000
G1-K0 77.8000 77.7770 8.8410 9.1420
J2-K0 33.8130 33.8740 327.1970 327.4450
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 60026.25319287
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME WDSJ15479-6527A
HIERARCH ESO INS SOBJ NAME WDSJ15479-6527B
RA 236.965664
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 111.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 30
HIERARCH ESO ISS PBL12 START 77.196
HIERARCH ESO ISS PBL12 END 77.345
HIERARCH ESO ISS PBLA12 START 77.5
HIERARCH ESO ISS PBLA12 END 78.0
HIERARCH ESO ISS PBL13 START 124.113
HIERARCH ESO ISS PBL13 END 124.212
HIERARCH ESO ISS PBLA13 START 58.3
HIERARCH ESO ISS PBLA13 END 58.8
HIERARCH ESO ISS PBL14 START 127.977
HIERARCH ESO ISS PBL14 END 127.979
HIERARCH ESO ISS PBLA14 START 43.026
HIERARCH ESO ISS PBLA14 END 43.436
HIERARCH ESO ISS PBL23 START 57.137
HIERARCH ESO ISS PBL23 END 57.118
HIERARCH ESO ISS PBLA23 START 32.0
HIERARCH ESO ISS PBLA23 END 32.4
HIERARCH ESO ISS PBL24 START 77.8
HIERARCH ESO ISS PBL24 END 77.777
HIERARCH ESO ISS PBLA24 START 8.841
HIERARCH ESO ISS PBLA24 END 9.142
HIERARCH ESO ISS PBL34 START 33.813
HIERARCH ESO ISS PBL34 END 33.874
HIERARCH ESO ISS PBLA34 START 327.197
HIERARCH ESO ISS PBLA34 END 327.445
HIERARCH ESO ISS AMBI TAU0 START 0.005482
HIERARCH ESO ISS AMBI TAU0 END 0.005482
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527A
HIERARCH ESO FT ROBJ ALPHA 154753.056
HIERARCH ESO FT ROBJ DELTA -652632.308