Exposure
ID
GRAVI.2021-11-11T04:13:57.763_1
Header ID
GRAVI.2021-11-11T04:13:57.763
Date updated
2021-11-11 04:26:14 UTC+0000
Release date
2021-11-11 04:13:57 UTC+0000
UTC Start
2021-11-11 04:13:57.763
UTC End
2021-11-11 04:17:57.763
MJD Start
59529.176363
MJD End
59529.1791407778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00231
Ambient temperature (°C)
10.86
Seeing (arcsec)
0.725
Observation
ID
48808
Category
calibrator
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
36559
Name
HD21967
RA
52.870003
DEC
-25.75935
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.5690 89.7600 112.2000 112.6000
A0-J2 127.7850 128.0910 88.7000 89.2000
A0-J3 131.8790 132.0040 41.6540 42.1770
G1-J2 57.8870 57.9640 50.7000 51.2000
G1-J3 132.4030 132.4020 2.0340 2.4880
J2-J3 103.7270 103.7720 337.2580 337.6600
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59529.176363
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD21967
HIERARCH ESO INS SOBJ NAME HD21967
RA 52.870003
DEC -25.75935
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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 J3
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 89.569
HIERARCH ESO ISS PBL12 END 89.76
HIERARCH ESO ISS PBLA12 START 112.2
HIERARCH ESO ISS PBLA12 END 112.6
HIERARCH ESO ISS PBL13 START 127.785
HIERARCH ESO ISS PBL13 END 128.091
HIERARCH ESO ISS PBLA13 START 88.7
HIERARCH ESO ISS PBLA13 END 89.2
HIERARCH ESO ISS PBL14 START 131.879
HIERARCH ESO ISS PBL14 END 132.004
HIERARCH ESO ISS PBLA14 START 41.654
HIERARCH ESO ISS PBLA14 END 42.177
HIERARCH ESO ISS PBL23 START 57.887
HIERARCH ESO ISS PBL23 END 57.964
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 132.403
HIERARCH ESO ISS PBL24 END 132.402
HIERARCH ESO ISS PBLA24 START 2.034
HIERARCH ESO ISS PBLA24 END 2.488
HIERARCH ESO ISS PBL34 START 103.727
HIERARCH ESO ISS PBL34 END 103.772
HIERARCH ESO ISS PBLA34 START 337.258
HIERARCH ESO ISS PBLA34 END 337.66
HIERARCH ESO ISS AMBI TAU0 START 0.00228
HIERARCH ESO ISS AMBI TAU0 END 0.00234
HIERARCH ESO ISS AMBI TEMP 10.86
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.72