Exposure
ID
GRAVI.2022-01-13T03:03:47.582_1
Header ID
GRAVI.2022-01-13T03:03:47.582
Date updated
2022-01-13 03:16:21 UTC+0000
Release date
2023-01-13 03:16:21 UTC+0000
UTC Start
2022-01-13 03:03:47.582
UTC End
2022-01-13 03:07:47.582
MJD Start
59592.12763405
MJD End
59592.1304118278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0118305
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.495
Observation
ID
49261
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
36862
Name
HD41255
RA
90.823357
DEC
-16.04329
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 121.5010 121.7060 239.0000 239.4000
K0-D0 95.5440 95.6830 250.3000 250.7000
K0-J3 56.2210 56.1660 331.5300 331.9260
B2-D0 33.5230 33.5620 25.1000 25.5000
B2-J3 136.0750 136.2780 34.6620 35.0780
D0-J3 103.1700 103.3310 37.7580 38.1660
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 59592.12763405
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD41255
HIERARCH ESO INS SOBJ NAME HD41255
RA 90.823357
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
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 121.501
HIERARCH ESO ISS PBL12 END 121.706
HIERARCH ESO ISS PBLA12 START 239.0
HIERARCH ESO ISS PBLA12 END 239.4
HIERARCH ESO ISS PBL13 START 95.544
HIERARCH ESO ISS PBL13 END 95.683
HIERARCH ESO ISS PBLA13 START 250.3
HIERARCH ESO ISS PBLA13 END 250.7
HIERARCH ESO ISS PBL14 START 56.221
HIERARCH ESO ISS PBL14 END 56.166
HIERARCH ESO ISS PBLA14 START 331.53
HIERARCH ESO ISS PBLA14 END 331.926
HIERARCH ESO ISS PBL23 START 33.523
HIERARCH ESO ISS PBL23 END 33.562
HIERARCH ESO ISS PBLA23 START 25.1
HIERARCH ESO ISS PBLA23 END 25.5
HIERARCH ESO ISS PBL24 START 136.075
HIERARCH ESO ISS PBL24 END 136.278
HIERARCH ESO ISS PBLA24 START 34.662
HIERARCH ESO ISS PBLA24 END 35.078
HIERARCH ESO ISS PBL34 START 103.17
HIERARCH ESO ISS PBL34 END 103.331
HIERARCH ESO ISS PBLA34 START 37.758
HIERARCH ESO ISS PBLA34 END 38.166
HIERARCH ESO ISS AMBI TAU0 START 0.012321
HIERARCH ESO ISS AMBI TAU0 END 0.01134
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.49