Exposure
ID
GRAVI.2022-04-10T23:58:01.354_1
Header ID
GRAVI.2022-04-10T23:58:01.354
Date updated
2022-04-11 00:07:53 UTC+0000
Release date
2022-04-10 23:58:01 UTC+0000
UTC Start
2022-04-10 23:58:01.354
UTC End
2022-04-11 00:02:01.354
MJD Start
59679.99862678
MJD End
59680.0014045578
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005139
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.475
Observation
ID
50371
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
37639
Name
HD41917
RA
91.823129
DEC
-14.47907
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 75.1560 74.4820 132.0000 132.7000
A0-J2 105.6210 104.3100 103.8000 104.3000
A0-K0 110.1500 108.9880 78.3570 78.4980
G1-J2 53.0350 52.6490 61.8000 61.8000
G1-K0 89.2760 89.1170 35.6580 35.7810
J2-K0 47.7490 47.7680 6.3900 6.8530
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 59679.99862678
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD41917
HIERARCH ESO INS SOBJ NAME HD41917
RA 91.823129
DEC -14.47907
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 75.156
HIERARCH ESO ISS PBL12 END 74.482
HIERARCH ESO ISS PBLA12 START 132.0
HIERARCH ESO ISS PBLA12 END 132.7
HIERARCH ESO ISS PBL13 START 105.621
HIERARCH ESO ISS PBL13 END 104.31
HIERARCH ESO ISS PBLA13 START 103.8
HIERARCH ESO ISS PBLA13 END 104.3
HIERARCH ESO ISS PBL14 START 110.15
HIERARCH ESO ISS PBL14 END 108.988
HIERARCH ESO ISS PBLA14 START 78.357
HIERARCH ESO ISS PBLA14 END 78.498
HIERARCH ESO ISS PBL23 START 53.035
HIERARCH ESO ISS PBL23 END 52.649
HIERARCH ESO ISS PBLA23 START 61.8
HIERARCH ESO ISS PBLA23 END 61.8
HIERARCH ESO ISS PBL24 START 89.276
HIERARCH ESO ISS PBL24 END 89.117
HIERARCH ESO ISS PBLA24 START 35.658
HIERARCH ESO ISS PBLA24 END 35.781
HIERARCH ESO ISS PBL34 START 47.749
HIERARCH ESO ISS PBL34 END 47.768
HIERARCH ESO ISS PBLA34 START 6.39
HIERARCH ESO ISS PBLA34 END 6.853
HIERARCH ESO ISS AMBI TAU0 START 0.006129
HIERARCH ESO ISS AMBI TAU0 END 0.004149
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.54