Exposure
ID
GRAVI.2023-04-29T09:26:01.781_2
Header ID
GRAVI.2023-04-29T09:26:01.781
Date updated
2023-04-29 09:35:48 UTC+0000
Release date
2023-04-29 09:26:01 UTC+0000
UTC Start
2023-04-29 09:26:01.781
UTC End
2023-04-29 09:27:31.781
MJD Start
60063.39307617
MJD End
60063.3941178367
Exposure time (s)
90.0
Validation level
1
Tau 0: Coherence time (s)
0.006543
Ambient temperature (°C)
15.83
Seeing (arcsec)
0.455
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 90.4760 90.4790 154.6000 155.0000
A0-J2 123.8810 123.8040 139.9000 140.3000
A0-K0 108.0010 107.8140 123.3970 123.8730
G1-J2 43.0330 42.9110 107.6000 108.1000
G1-K0 55.9920 55.7790 66.5550 66.8710
J2-K0 36.7730 36.7440 16.3480 16.6030
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 60063.39307617
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME WDSJ15479-6527A
HIERARCH ESO INS SOBJ NAME WDSJ15479-6527B
RA 236.96566
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 90.476
HIERARCH ESO ISS PBL12 END 90.479
HIERARCH ESO ISS PBLA12 START 154.6
HIERARCH ESO ISS PBLA12 END 155.0
HIERARCH ESO ISS PBL13 START 123.881
HIERARCH ESO ISS PBL13 END 123.804
HIERARCH ESO ISS PBLA13 START 139.9
HIERARCH ESO ISS PBLA13 END 140.3
HIERARCH ESO ISS PBL14 START 108.001
HIERARCH ESO ISS PBL14 END 107.814
HIERARCH ESO ISS PBLA14 START 123.397
HIERARCH ESO ISS PBLA14 END 123.873
HIERARCH ESO ISS PBL23 START 43.033
HIERARCH ESO ISS PBL23 END 42.911
HIERARCH ESO ISS PBLA23 START 107.6
HIERARCH ESO ISS PBLA23 END 108.1
HIERARCH ESO ISS PBL24 START 55.992
HIERARCH ESO ISS PBL24 END 55.779
HIERARCH ESO ISS PBLA24 START 66.555
HIERARCH ESO ISS PBLA24 END 66.871
HIERARCH ESO ISS PBL34 START 36.773
HIERARCH ESO ISS PBL34 END 36.744
HIERARCH ESO ISS PBLA34 START 16.348
HIERARCH ESO ISS PBLA34 END 16.603
HIERARCH ESO ISS AMBI TAU0 START 0.00623
HIERARCH ESO ISS AMBI TAU0 END 0.006856
HIERARCH ESO ISS AMBI TEMP 15.83
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.46
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527A
HIERARCH ESO FT ROBJ ALPHA 154753.056
HIERARCH ESO FT ROBJ DELTA -652632.308