Exposure
ID
GRAVI.2023-07-09T02:21:05.301_2
Header ID
GRAVI.2023-07-09T02:21:05.301
Date updated
2023-07-09 02:31:01 UTC+0000
Release date
2023-07-09 02:21:05 UTC+0000
UTC Start
2023-07-09 02:21:05.301
UTC End
2023-07-09 02:22:35.301
MJD Start
60134.09797802
MJD End
60134.09901968667
Exposure time (s)
90.0
Validation level
1
Tau 0: Coherence time (s)
0.0039024999999999997
Ambient temperature (°C)
11.84
Seeing (arcsec)
0.6699999999999999
Observation
ID
54268
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
37816
Name
WDSJ15479-6527B
RA
236.97172416666663
DEC
-65.44269725000001
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 22.4330 22.4550 145.0000 145.3000
A0-D0 30.4260 30.3930 88.1000 88.5000
A0-C1 22.1730 22.1860 122.4720 122.8620
B2-D0 26.1540 26.1060 42.1000 42.4000
B2-C1 8.7100 8.6950 42.0610 42.3560
D0-C1 17.4430 17.4120 222.1400 222.4360
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 60134.09797802
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME WDSJ15479-6527A
HIERARCH ESO INS SOBJ NAME WDSJ15479-6527A
RA 236.965652
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 22.433
HIERARCH ESO ISS PBL12 END 22.455
HIERARCH ESO ISS PBLA12 START 145.0
HIERARCH ESO ISS PBLA12 END 145.3
HIERARCH ESO ISS PBL13 START 30.426
HIERARCH ESO ISS PBL13 END 30.393
HIERARCH ESO ISS PBLA13 START 88.1
HIERARCH ESO ISS PBLA13 END 88.5
HIERARCH ESO ISS PBL14 START 22.173
HIERARCH ESO ISS PBL14 END 22.186
HIERARCH ESO ISS PBLA14 START 122.472
HIERARCH ESO ISS PBLA14 END 122.862
HIERARCH ESO ISS PBL23 START 26.154
HIERARCH ESO ISS PBL23 END 26.106
HIERARCH ESO ISS PBLA23 START 42.1
HIERARCH ESO ISS PBLA23 END 42.4
HIERARCH ESO ISS PBL24 START 8.71
HIERARCH ESO ISS PBL24 END 8.695
HIERARCH ESO ISS PBLA24 START 42.061
HIERARCH ESO ISS PBLA24 END 42.356
HIERARCH ESO ISS PBL34 START 17.443
HIERARCH ESO ISS PBL34 END 17.412
HIERARCH ESO ISS PBLA34 START 222.14
HIERARCH ESO ISS PBLA34 END 222.436
HIERARCH ESO ISS AMBI TAU0 START 0.003795
HIERARCH ESO ISS AMBI TAU0 END 0.00401
HIERARCH ESO ISS AMBI TEMP 11.84
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.73
HIERARCH ESO FT ROBJ NAME WDSJ15479-6527B
HIERARCH ESO FT ROBJ ALPHA 154753.2138
HIERARCH ESO FT ROBJ DELTA -652633.7101