Exposure
ID
GRAVI.2023-09-24T02:35:14.889_1
Header ID
GRAVI.2023-09-24T02:35:14.889
Date updated
2023-09-24 02:50:27 UTC+0000
Release date
2023-09-24 02:35:14 UTC+0000
UTC Start
2023-09-24 02:35:14.889
UTC End
2023-09-24 02:39:30.889
MJD Start
60211.10781121
MJD End
60211.110774172965
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.0030489999999999996
Ambient temperature (°C)
17.72
Seeing (arcsec)
0.81
Observation
ID
57084
Category
calibrator
Program ID
112.262Q.001
Program Title
MEASURING DYNAMICAL MASSES AND PRECISION AGES FOR GAIA BINARIES ON THE RED GIANT BRANCH
Program Type
Normal
PI / COI
LU/ KRAUS/ GARDNER/ IRELAND/ CASAGRANDE
Target
ID
42320
Name
HD173490
RA
281.886866
DEC
-43.54648
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2980 25.2980 171.3000 172.2000
A0-D0 24.1980 23.8370 106.4000 107.7000
A0-C1 21.5620 21.5040 151.4930 152.7560
B2-D0 26.5510 26.2720 46.9000 47.3000
B2-C1 8.8460 8.7530 46.8020 47.2110
D0-C1 17.7050 17.5190 226.8770 227.2860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.262Q.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60211.10781121
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 173490
HIERARCH ESO INS SOBJ NAME HD173490
RA 281.886866
DEC -43.54648
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 337.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 256
HIERARCH ESO ISS PBL12 START 25.298
HIERARCH ESO ISS PBL12 END 25.298
HIERARCH ESO ISS PBLA12 START 171.3
HIERARCH ESO ISS PBLA12 END 172.2
HIERARCH ESO ISS PBL13 START 24.198
HIERARCH ESO ISS PBL13 END 23.837
HIERARCH ESO ISS PBLA13 START 106.4
HIERARCH ESO ISS PBLA13 END 107.7
HIERARCH ESO ISS PBL14 START 21.562
HIERARCH ESO ISS PBL14 END 21.504
HIERARCH ESO ISS PBLA14 START 151.493
HIERARCH ESO ISS PBLA14 END 152.756
HIERARCH ESO ISS PBL23 START 26.551
HIERARCH ESO ISS PBL23 END 26.272
HIERARCH ESO ISS PBLA23 START 46.9
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 8.846
HIERARCH ESO ISS PBL24 END 8.753
HIERARCH ESO ISS PBLA24 START 46.802
HIERARCH ESO ISS PBLA24 END 47.211
HIERARCH ESO ISS PBL34 START 17.705
HIERARCH ESO ISS PBL34 END 17.519
HIERARCH ESO ISS PBLA34 START 226.877
HIERARCH ESO ISS PBLA34 END 227.286
HIERARCH ESO ISS AMBI TAU0 START 0.003443
HIERARCH ESO ISS AMBI TAU0 END 0.002655
HIERARCH ESO ISS AMBI TEMP 17.72
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.76