Exposure
ID
GRAVI.2021-11-12T05:43:13.170_1
Header ID
GRAVI.2021-11-12T05:43:13.170
Date updated
2021-11-12 05:56:36 UTC+0000
Release date
2021-11-12 05:43:13 UTC+0000
UTC Start
2021-11-12 05:43:13.170
UTC End
2021-11-12 05:47:13.170
MJD Start
59530.23834687
MJD End
59530.2411246478
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003261
Ambient temperature (°C)
12.89
Seeing (arcsec)
0.7
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 89.0070 88.7680 122.6000 123.1000
A0-J2 126.2300 125.7550 99.0000 99.5000
A0-J3 130.3550 130.0390 51.2630 51.6120
G1-J2 57.1230 56.9520 60.4000 60.8000
G1-J3 132.2280 132.2040 11.6420 12.0520
J2-J3 103.8920 103.8760 347.2100 347.7120
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 59530.23834687
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 89.007
HIERARCH ESO ISS PBL12 END 88.768
HIERARCH ESO ISS PBLA12 START 122.6
HIERARCH ESO ISS PBLA12 END 123.1
HIERARCH ESO ISS PBL13 START 126.23
HIERARCH ESO ISS PBL13 END 125.755
HIERARCH ESO ISS PBLA13 START 99.0
HIERARCH ESO ISS PBLA13 END 99.5
HIERARCH ESO ISS PBL14 START 130.355
HIERARCH ESO ISS PBL14 END 130.039
HIERARCH ESO ISS PBLA14 START 51.263
HIERARCH ESO ISS PBLA14 END 51.612
HIERARCH ESO ISS PBL23 START 57.123
HIERARCH ESO ISS PBL23 END 56.952
HIERARCH ESO ISS PBLA23 START 60.4
HIERARCH ESO ISS PBLA23 END 60.8
HIERARCH ESO ISS PBL24 START 132.228
HIERARCH ESO ISS PBL24 END 132.204
HIERARCH ESO ISS PBLA24 START 11.642
HIERARCH ESO ISS PBLA24 END 12.052
HIERARCH ESO ISS PBL34 START 103.892
HIERARCH ESO ISS PBL34 END 103.876
HIERARCH ESO ISS PBLA34 START 347.21
HIERARCH ESO ISS PBLA34 END 347.712
HIERARCH ESO ISS AMBI TAU0 START 0.003451
HIERARCH ESO ISS AMBI TAU0 END 0.003071
HIERARCH ESO ISS AMBI TEMP 12.89
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.71