Exposure
ID
GRAVI.2022-11-22T06:43:35.601_1
Header ID
GRAVI.2022-11-22T06:43:35.601
Date updated
2022-11-22 06:55:52 UTC+0000
Release date
2023-11-22 06:55:52 UTC+0000
UTC Start
2022-11-22 06:43:35.601
UTC End
2022-11-22 06:47:35.601
MJD Start
59905.28027316
MJD End
59905.28305093778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0060485
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.665
Observation
ID
53239
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
39597
Name
BD+26_1453
RA
107.396749
DEC
25.72776
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 66.5520 66.8010 278.1000 277.6000
K0-D0 84.1680 84.9240 263.7000 263.3000
K0-J3 46.9080 46.5600 319.3680 319.4010
G2-D0 25.7860 26.1380 223.5000 223.9000
G2-J3 44.0010 44.6330 53.4380 53.5780
D0-J3 69.5450 70.5360 49.7860 50.0050
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 59905.28027316
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD54371
HIERARCH ESO INS SOBJ NAME BD+26_1453
RA 107.396749
DEC 25.72776
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 66.552
HIERARCH ESO ISS PBL12 END 66.801
HIERARCH ESO ISS PBLA12 START 278.1
HIERARCH ESO ISS PBLA12 END 277.6
HIERARCH ESO ISS PBL13 START 84.168
HIERARCH ESO ISS PBL13 END 84.924
HIERARCH ESO ISS PBLA13 START 263.7
HIERARCH ESO ISS PBLA13 END 263.3
HIERARCH ESO ISS PBL14 START 46.908
HIERARCH ESO ISS PBL14 END 46.56
HIERARCH ESO ISS PBLA14 START 319.368
HIERARCH ESO ISS PBLA14 END 319.401
HIERARCH ESO ISS PBL23 START 25.786
HIERARCH ESO ISS PBL23 END 26.138
HIERARCH ESO ISS PBLA23 START 223.5
HIERARCH ESO ISS PBLA23 END 223.9
HIERARCH ESO ISS PBL24 START 44.001
HIERARCH ESO ISS PBL24 END 44.633
HIERARCH ESO ISS PBLA24 START 53.438
HIERARCH ESO ISS PBLA24 END 53.578
HIERARCH ESO ISS PBL34 START 69.545
HIERARCH ESO ISS PBL34 END 70.536
HIERARCH ESO ISS PBLA34 START 49.786
HIERARCH ESO ISS PBLA34 END 50.005
HIERARCH ESO ISS AMBI TAU0 START 0.006204
HIERARCH ESO ISS AMBI TAU0 END 0.005893
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.69