Exposure
ID
GRAVI.2023-01-24T04:34:40.095_1
Header ID
GRAVI.2023-01-24T04:34:40.095
Date updated
2023-01-24 04:50:47 UTC+0000
Release date
2023-01-24 04:34:40 UTC+0000
UTC Start
2023-01-24 04:34:40.095
UTC End
2023-01-24 04:38:40.095
MJD Start
59968.19074184
MJD End
59968.1935196178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0058455
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.785
Observation
ID
53980
Category
calibrator
Program ID
110.23QY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
ID
39579
Name
HD41917
RA
91.824277
DEC
-14.47907
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 79.3120 78.6880 127.7000 128.3000
A0-J2 113.3000 112.1900 101.2000 101.6000
A0-J3 128.0110 127.5140 52.6890 52.7850
G1-J2 55.1900 54.8910 61.3000 61.4000
G1-J3 132.0500 132.1010 17.2160 17.5510
J2-J3 100.0670 100.0220 354.6510 355.2060
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23QY.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59968.19074184
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD41917
HIERARCH ESO INS SOBJ NAME HD41917
RA 91.824277
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 J3
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 79.312
HIERARCH ESO ISS PBL12 END 78.688
HIERARCH ESO ISS PBLA12 START 127.7
HIERARCH ESO ISS PBLA12 END 128.3
HIERARCH ESO ISS PBL13 START 113.3
HIERARCH ESO ISS PBL13 END 112.19
HIERARCH ESO ISS PBLA13 START 101.2
HIERARCH ESO ISS PBLA13 END 101.6
HIERARCH ESO ISS PBL14 START 128.011
HIERARCH ESO ISS PBL14 END 127.514
HIERARCH ESO ISS PBLA14 START 52.689
HIERARCH ESO ISS PBLA14 END 52.785
HIERARCH ESO ISS PBL23 START 55.19
HIERARCH ESO ISS PBL23 END 54.891
HIERARCH ESO ISS PBLA23 START 61.3
HIERARCH ESO ISS PBLA23 END 61.4
HIERARCH ESO ISS PBL24 START 132.05
HIERARCH ESO ISS PBL24 END 132.101
HIERARCH ESO ISS PBLA24 START 17.216
HIERARCH ESO ISS PBLA24 END 17.551
HIERARCH ESO ISS PBL34 START 100.067
HIERARCH ESO ISS PBL34 END 100.022
HIERARCH ESO ISS PBLA34 START 354.651
HIERARCH ESO ISS PBLA34 END 355.206
HIERARCH ESO ISS AMBI TAU0 START 0.003276
HIERARCH ESO ISS AMBI TAU0 END 0.008415
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.67