Exposure
ID
GRAVI.2021-10-09T05:05:15.797_1
Header ID
GRAVI.2021-10-09T05:05:15.797
Date updated
2021-10-09 05:20:52 UTC+0000
Release date
2021-10-09 05:05:15 UTC+0000
UTC Start
2021-10-09 05:05:15.797
UTC End
2021-10-09 05:09:15.797
MJD Start
59496.21198839
MJD End
59496.2147661678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00199
Ambient temperature (°C)
10.07
Seeing (arcsec)
1.255
Observation
ID
48405
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
36294
Name
HD21967
RA
52.86877
DEC
-25.75935
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.0000 82.6050 105.3000 105.6000
A0-J2 115.9580 116.8790 79.6000 80.1000
A0-K0 117.6570 118.3430 55.7570 56.4410
G1-J2 55.1260 55.3230 39.3000 40.0000
G1-K0 89.6750 89.7160 11.6830 12.2670
J2-K0 48.1850 48.2230 339.6330 339.9710
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 59496.21198839
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD21967
HIERARCH ESO INS SOBJ NAME HD21967
RA 52.86877
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 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 82.0
HIERARCH ESO ISS PBL12 END 82.605
HIERARCH ESO ISS PBLA12 START 105.3
HIERARCH ESO ISS PBLA12 END 105.6
HIERARCH ESO ISS PBL13 START 115.958
HIERARCH ESO ISS PBL13 END 116.879
HIERARCH ESO ISS PBLA13 START 79.6
HIERARCH ESO ISS PBLA13 END 80.1
HIERARCH ESO ISS PBL14 START 117.657
HIERARCH ESO ISS PBL14 END 118.343
HIERARCH ESO ISS PBLA14 START 55.757
HIERARCH ESO ISS PBLA14 END 56.441
HIERARCH ESO ISS PBL23 START 55.126
HIERARCH ESO ISS PBL23 END 55.323
HIERARCH ESO ISS PBLA23 START 39.3
HIERARCH ESO ISS PBLA23 END 40.0
HIERARCH ESO ISS PBL24 START 89.675
HIERARCH ESO ISS PBL24 END 89.716
HIERARCH ESO ISS PBLA24 START 11.683
HIERARCH ESO ISS PBLA24 END 12.267
HIERARCH ESO ISS PBL34 START 48.185
HIERARCH ESO ISS PBL34 END 48.223
HIERARCH ESO ISS PBLA34 START 339.633
HIERARCH ESO ISS PBLA34 END 339.971
HIERARCH ESO ISS AMBI TAU0 START 0.002223
HIERARCH ESO ISS AMBI TAU0 END 0.001757
HIERARCH ESO ISS AMBI TEMP 10.07
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 1.37