Exposure
ID
GRAVI.2023-01-19T03:53:32.106_1
Header ID
GRAVI.2023-01-19T03:53:32.106
Date updated
2023-01-19 04:06:06 UTC+0000
Release date
2024-01-19 04:06:06 UTC+0000
UTC Start
2023-01-19 03:53:32.106
UTC End
2023-01-19 03:57:32.106
MJD Start
59963.16217715
MJD End
59963.16495492778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0086855
Ambient temperature (°C)
15.61
Seeing (arcsec)
0.91
Observation
ID
53922
Category
science
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
40086
Name
BD+26_1453
RA
107.396744
DEC
25.72775
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.3480 68.3400 271.7000 271.2000
K0-D0 92.3540 92.7700 258.2000 257.8000
K0-J3 41.7690 41.3660 320.9930 321.2190
G2-D0 30.3940 30.7080 226.6000 226.7000
G2-J3 51.9220 52.4360 54.0480 53.9940
D0-J3 82.1540 82.9870 51.2930 51.2920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23QY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59963.16217715
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD54371
HIERARCH ESO INS SOBJ NAME BD+26_1453
RA 107.396744
DEC 25.72775
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 68.348
HIERARCH ESO ISS PBL12 END 68.34
HIERARCH ESO ISS PBLA12 START 271.7
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 92.354
HIERARCH ESO ISS PBL13 END 92.77
HIERARCH ESO ISS PBLA13 START 258.2
HIERARCH ESO ISS PBLA13 END 257.8
HIERARCH ESO ISS PBL14 START 41.769
HIERARCH ESO ISS PBL14 END 41.366
HIERARCH ESO ISS PBLA14 START 320.993
HIERARCH ESO ISS PBLA14 END 321.219
HIERARCH ESO ISS PBL23 START 30.394
HIERARCH ESO ISS PBL23 END 30.708
HIERARCH ESO ISS PBLA23 START 226.6
HIERARCH ESO ISS PBLA23 END 226.7
HIERARCH ESO ISS PBL24 START 51.922
HIERARCH ESO ISS PBL24 END 52.436
HIERARCH ESO ISS PBLA24 START 54.048
HIERARCH ESO ISS PBLA24 END 53.994
HIERARCH ESO ISS PBL34 START 82.154
HIERARCH ESO ISS PBL34 END 82.987
HIERARCH ESO ISS PBLA34 START 51.293
HIERARCH ESO ISS PBLA34 END 51.292
HIERARCH ESO ISS AMBI TAU0 START 0.008443
HIERARCH ESO ISS AMBI TAU0 END 0.008928
HIERARCH ESO ISS AMBI TEMP 15.61
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.92