Exposure
ID
GRAVI.2022-04-10T23:41:37.313_1
Header ID
GRAVI.2022-04-10T23:41:37.313
Date updated
2022-04-10 23:50:47 UTC+0000
Release date
2023-04-10 23:50:47 UTC+0000
UTC Start
2022-04-10 23:41:37.313
UTC End
2022-04-10 23:45:37.313
MJD Start
59679.98723742
MJD End
59679.9900151978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005419
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.54
Observation
ID
50370
Category
science
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
37638
Name
HD41255
RA
90.822197
DEC
-16.04329
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 77.9230 77.2980 130.7000 131.4000
A0-J2 109.7090 108.5120 103.5000 104.0000
A0-K0 113.0200 111.9540 78.7310 78.9170
G1-J2 53.8020 53.4450 62.2000 62.3000
G1-K0 89.3900 89.2400 35.3780 35.5370
J2-K0 47.9420 47.9550 4.9950 5.4630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59679.98723742
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD41255
HIERARCH ESO INS SOBJ NAME HD41255
RA 90.822197
DEC -16.04329
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 77.923
HIERARCH ESO ISS PBL12 END 77.298
HIERARCH ESO ISS PBLA12 START 130.7
HIERARCH ESO ISS PBLA12 END 131.4
HIERARCH ESO ISS PBL13 START 109.709
HIERARCH ESO ISS PBL13 END 108.512
HIERARCH ESO ISS PBLA13 START 103.5
HIERARCH ESO ISS PBLA13 END 104.0
HIERARCH ESO ISS PBL14 START 113.02
HIERARCH ESO ISS PBL14 END 111.954
HIERARCH ESO ISS PBLA14 START 78.731
HIERARCH ESO ISS PBLA14 END 78.917
HIERARCH ESO ISS PBL23 START 53.802
HIERARCH ESO ISS PBL23 END 53.445
HIERARCH ESO ISS PBLA23 START 62.2
HIERARCH ESO ISS PBLA23 END 62.3
HIERARCH ESO ISS PBL24 START 89.39
HIERARCH ESO ISS PBL24 END 89.24
HIERARCH ESO ISS PBLA24 START 35.378
HIERARCH ESO ISS PBLA24 END 35.537
HIERARCH ESO ISS PBL34 START 47.942
HIERARCH ESO ISS PBL34 END 47.955
HIERARCH ESO ISS PBLA34 START 4.995
HIERARCH ESO ISS PBLA34 END 5.463
HIERARCH ESO ISS AMBI TAU0 START 0.005537
HIERARCH ESO ISS AMBI TAU0 END 0.005301
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.52