Exposure
ID
GRAVI.2022-12-29T04:59:00.976_1
Header ID
GRAVI.2022-12-29T04:59:00.976
Date updated
2022-12-29 05:10:50 UTC+0000
Release date
2023-12-29 05:10:50 UTC+0000
UTC Start
2022-12-29 04:59:00.976
UTC End
2022-12-29 05:03:00.976
MJD Start
59942.20765019
MJD End
59942.2104279678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0037385
Ambient temperature (°C)
12.02
Seeing (arcsec)
1.015
Observation
ID
53670
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
39898
Name
BD+26_1453
RA
107.396746
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 68.1830 68.2530 273.5000 273.1000
K0-D0 90.4230 90.9410 259.8000 259.4000
K0-J3 43.3650 42.9740 320.2370 320.4010
G2-D0 29.0900 29.4200 226.0000 226.2000
G2-J3 49.7540 50.3060 54.1340 54.1310
D0-J3 78.6610 79.5480 51.1500 51.2050
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 59942.20765019
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD54371
HIERARCH ESO INS SOBJ NAME BD+26_1453
RA 107.396746
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 68.183
HIERARCH ESO ISS PBL12 END 68.253
HIERARCH ESO ISS PBLA12 START 273.5
HIERARCH ESO ISS PBLA12 END 273.1
HIERARCH ESO ISS PBL13 START 90.423
HIERARCH ESO ISS PBL13 END 90.941
HIERARCH ESO ISS PBLA13 START 259.8
HIERARCH ESO ISS PBLA13 END 259.4
HIERARCH ESO ISS PBL14 START 43.365
HIERARCH ESO ISS PBL14 END 42.974
HIERARCH ESO ISS PBLA14 START 320.237
HIERARCH ESO ISS PBLA14 END 320.401
HIERARCH ESO ISS PBL23 START 29.09
HIERARCH ESO ISS PBL23 END 29.42
HIERARCH ESO ISS PBLA23 START 226.0
HIERARCH ESO ISS PBLA23 END 226.2
HIERARCH ESO ISS PBL24 START 49.754
HIERARCH ESO ISS PBL24 END 50.306
HIERARCH ESO ISS PBLA24 START 54.134
HIERARCH ESO ISS PBLA24 END 54.131
HIERARCH ESO ISS PBL34 START 78.661
HIERARCH ESO ISS PBL34 END 79.548
HIERARCH ESO ISS PBLA34 START 51.15
HIERARCH ESO ISS PBLA34 END 51.205
HIERARCH ESO ISS AMBI TAU0 START 0.003745
HIERARCH ESO ISS AMBI TAU0 END 0.003732
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 1.1