Exposure
ID
GRAVI.2021-10-02T06:41:12.721_1
Header ID
GRAVI.2021-10-02T06:41:12.721
Date updated
2021-10-02 06:52:30 UTC+0000
Release date
2021-10-02 06:41:12 UTC+0000
UTC Start
2021-10-02 06:41:12.721
UTC End
2021-10-02 06:45:12.721
MJD Start
59489.27861946
MJD End
59489.2813972378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003896
Ambient temperature (°C)
9.66
Seeing (arcsec)
0.795
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 89.0300 89.2730 111.2000 111.6000
A0-J2 126.9230 127.3110 87.6000 88.1000
A0-K0 126.1520 126.4650 65.4840 66.0080
G1-J2 57.6680 57.7650 49.4000 50.0000
G1-K0 90.3270 90.3570 20.5970 21.1070
J2-K0 48.5690 48.5800 345.6560 346.0640
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 59489.27861946
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 89.03
HIERARCH ESO ISS PBL12 END 89.273
HIERARCH ESO ISS PBLA12 START 111.2
HIERARCH ESO ISS PBLA12 END 111.6
HIERARCH ESO ISS PBL13 START 126.923
HIERARCH ESO ISS PBL13 END 127.311
HIERARCH ESO ISS PBLA13 START 87.6
HIERARCH ESO ISS PBLA13 END 88.1
HIERARCH ESO ISS PBL14 START 126.152
HIERARCH ESO ISS PBL14 END 126.465
HIERARCH ESO ISS PBLA14 START 65.484
HIERARCH ESO ISS PBLA14 END 66.008
HIERARCH ESO ISS PBL23 START 57.668
HIERARCH ESO ISS PBL23 END 57.765
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 90.327
HIERARCH ESO ISS PBL24 END 90.357
HIERARCH ESO ISS PBLA24 START 20.597
HIERARCH ESO ISS PBLA24 END 21.107
HIERARCH ESO ISS PBL34 START 48.569
HIERARCH ESO ISS PBL34 END 48.58
HIERARCH ESO ISS PBLA34 START 345.656
HIERARCH ESO ISS PBLA34 END 346.064
HIERARCH ESO ISS AMBI TAU0 START 0.004269
HIERARCH ESO ISS AMBI TAU0 END 0.003523
HIERARCH ESO ISS AMBI TEMP 9.66
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.92