Exposure
ID
GRAVI.2021-11-10T04:20:39.315_1
Header ID
GRAVI.2021-11-10T04:20:39.315
Date updated
2021-11-10 04:31:52 UTC+0000
Release date
2021-11-10 04:20:39 UTC+0000
UTC Start
2021-11-10 04:20:39.315
UTC End
2021-11-10 04:24:39.315
MJD Start
59528.18101059
MJD End
59528.1837883678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0029995
Ambient temperature (°C)
10.23
Seeing (arcsec)
0.65
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 89.6950 89.8710 112.4000 112.8000
A0-J2 127.9870 128.2690 89.0000 89.5000
A0-J3 131.9620 132.0770 41.9940 42.5100
G1-J2 57.9380 58.0090 51.0000 51.6000
G1-J3 132.4030 132.4020 2.3290 2.7810
J2-J3 103.7560 103.7980 337.5180 337.9220
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 59528.18101059
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 89.695
HIERARCH ESO ISS PBL12 END 89.871
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 127.987
HIERARCH ESO ISS PBL13 END 128.269
HIERARCH ESO ISS PBLA13 START 89.0
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 131.962
HIERARCH ESO ISS PBL14 END 132.077
HIERARCH ESO ISS PBLA14 START 41.994
HIERARCH ESO ISS PBLA14 END 42.51
HIERARCH ESO ISS PBL23 START 57.938
HIERARCH ESO ISS PBL23 END 58.009
HIERARCH ESO ISS PBLA23 START 51.0
HIERARCH ESO ISS PBLA23 END 51.6
HIERARCH ESO ISS PBL24 START 132.403
HIERARCH ESO ISS PBL24 END 132.402
HIERARCH ESO ISS PBLA24 START 2.329
HIERARCH ESO ISS PBLA24 END 2.781
HIERARCH ESO ISS PBL34 START 103.756
HIERARCH ESO ISS PBL34 END 103.798
HIERARCH ESO ISS PBLA34 START 337.518
HIERARCH ESO ISS PBLA34 END 337.922
HIERARCH ESO ISS AMBI TAU0 START 0.003116
HIERARCH ESO ISS AMBI TAU0 END 0.002883
HIERARCH ESO ISS AMBI TEMP 10.23
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.64