Exposure
ID
GRAVI.2022-12-25T04:51:10.992_1
Header ID
GRAVI.2022-12-25T04:51:10.992
Date updated
2022-12-25 05:01:25 UTC+0000
Release date
2023-12-25 05:01:24 UTC+0000
UTC Start
2022-12-25 04:51:10.992
UTC End
2022-12-25 04:55:10.992
MJD Start
59938.20221056
MJD End
59938.20498833778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00409
Ambient temperature (°C)
11.86
Seeing (arcsec)
0.675
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 67.4540 67.6280 276.1000 275.7000
K0-D0 87.0990 87.7550 262.0000 261.6000
K0-J3 45.4580 45.0900 319.5900 319.6710
G2-D0 27.2120 27.5570 224.8000 225.1000
G2-J3 46.5310 47.1310 53.9110 53.9800
D0-J3 73.5280 74.4800 50.5650 50.7040
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 59938.20221056
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 67.454
HIERARCH ESO ISS PBL12 END 67.628
HIERARCH ESO ISS PBLA12 START 276.1
HIERARCH ESO ISS PBLA12 END 275.7
HIERARCH ESO ISS PBL13 START 87.099
HIERARCH ESO ISS PBL13 END 87.755
HIERARCH ESO ISS PBLA13 START 262.0
HIERARCH ESO ISS PBLA13 END 261.6
HIERARCH ESO ISS PBL14 START 45.458
HIERARCH ESO ISS PBL14 END 45.09
HIERARCH ESO ISS PBLA14 START 319.59
HIERARCH ESO ISS PBLA14 END 319.671
HIERARCH ESO ISS PBL23 START 27.212
HIERARCH ESO ISS PBL23 END 27.557
HIERARCH ESO ISS PBLA23 START 224.8
HIERARCH ESO ISS PBLA23 END 225.1
HIERARCH ESO ISS PBL24 START 46.531
HIERARCH ESO ISS PBL24 END 47.131
HIERARCH ESO ISS PBLA24 START 53.911
HIERARCH ESO ISS PBLA24 END 53.98
HIERARCH ESO ISS PBL34 START 73.528
HIERARCH ESO ISS PBL34 END 74.48
HIERARCH ESO ISS PBLA34 START 50.565
HIERARCH ESO ISS PBLA34 END 50.704
HIERARCH ESO ISS AMBI TAU0 START 0.003985
HIERARCH ESO ISS AMBI TAU0 END 0.004195
HIERARCH ESO ISS AMBI TEMP 11.86
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.69