Exposure
ID
GRAVI.2021-11-13T04:08:41.146_1
Header ID
GRAVI.2021-11-13T04:08:41.146
Date updated
2021-11-13 04:22:25 UTC+0000
Release date
2021-11-13 04:08:41 UTC+0000
UTC Start
2021-11-13 04:08:41.146
UTC End
2021-11-13 04:12:41.146
MJD Start
59531.17269845
MJD End
59531.1754762278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0020845
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.76
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 89.6870 89.8640 112.4000 112.8000
A0-J2 127.9740 128.2570 89.0000 89.5000
A0-J3 131.9560 132.0720 41.9700 42.4860
G1-J2 57.9350 58.0060 51.0000 51.5000
G1-J3 132.4030 132.4020 2.3080 2.7600
J2-J3 103.7550 103.7960 337.4990 337.9020
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 59531.17269845
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 89.687
HIERARCH ESO ISS PBL12 END 89.864
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 127.974
HIERARCH ESO ISS PBL13 END 128.257
HIERARCH ESO ISS PBLA13 START 89.0
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 131.956
HIERARCH ESO ISS PBL14 END 132.072
HIERARCH ESO ISS PBLA14 START 41.97
HIERARCH ESO ISS PBLA14 END 42.486
HIERARCH ESO ISS PBL23 START 57.935
HIERARCH ESO ISS PBL23 END 58.006
HIERARCH ESO ISS PBLA23 START 51.0
HIERARCH ESO ISS PBLA23 END 51.5
HIERARCH ESO ISS PBL24 START 132.403
HIERARCH ESO ISS PBL24 END 132.402
HIERARCH ESO ISS PBLA24 START 2.308
HIERARCH ESO ISS PBLA24 END 2.76
HIERARCH ESO ISS PBL34 START 103.755
HIERARCH ESO ISS PBL34 END 103.796
HIERARCH ESO ISS PBLA34 START 337.499
HIERARCH ESO ISS PBLA34 END 337.902
HIERARCH ESO ISS AMBI TAU0 START 0.001929
HIERARCH ESO ISS AMBI TAU0 END 0.00224
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.74