Exposure
ID
GRAVI.2022-12-28T04:40:18.157_1
Header ID
GRAVI.2022-12-28T04:40:18.157
Date updated
2022-12-28 04:56:02 UTC+0000
Release date
2023-12-28 04:56:02 UTC+0000
UTC Start
2022-12-28 04:40:18.157
UTC End
2022-12-28 04:44:18.157
MJD Start
59941.19465459
MJD End
59941.1974323678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006237
Ambient temperature (°C)
10.76
Seeing (arcsec)
0.505
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 67.4930 67.6640 276.0000 275.5000
K0-D0 87.2440 87.8970 261.9000 261.5000
K0-J3 45.3790 45.0080 319.6060 319.6950
G2-D0 27.2880 27.6340 224.9000 225.2000
G2-J3 46.6630 47.2640 53.9250 53.9960
D0-J3 73.7370 74.6900 50.5950 50.7350
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 59941.19465459
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 67.493
HIERARCH ESO ISS PBL12 END 67.664
HIERARCH ESO ISS PBLA12 START 276.0
HIERARCH ESO ISS PBLA12 END 275.5
HIERARCH ESO ISS PBL13 START 87.244
HIERARCH ESO ISS PBL13 END 87.897
HIERARCH ESO ISS PBLA13 START 261.9
HIERARCH ESO ISS PBLA13 END 261.5
HIERARCH ESO ISS PBL14 START 45.379
HIERARCH ESO ISS PBL14 END 45.008
HIERARCH ESO ISS PBLA14 START 319.606
HIERARCH ESO ISS PBLA14 END 319.695
HIERARCH ESO ISS PBL23 START 27.288
HIERARCH ESO ISS PBL23 END 27.634
HIERARCH ESO ISS PBLA23 START 224.9
HIERARCH ESO ISS PBLA23 END 225.2
HIERARCH ESO ISS PBL24 START 46.663
HIERARCH ESO ISS PBL24 END 47.264
HIERARCH ESO ISS PBLA24 START 53.925
HIERARCH ESO ISS PBLA24 END 53.996
HIERARCH ESO ISS PBL34 START 73.737
HIERARCH ESO ISS PBL34 END 74.69
HIERARCH ESO ISS PBLA34 START 50.595
HIERARCH ESO ISS PBLA34 END 50.735
HIERARCH ESO ISS AMBI TAU0 START 0.00603
HIERARCH ESO ISS AMBI TAU0 END 0.006444
HIERARCH ESO ISS AMBI TEMP 10.76
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.5