Exposure
ID
GRAVI.2023-01-23T04:08:07.347_1
Header ID
GRAVI.2023-01-23T04:08:07.347
Date updated
2023-01-23 04:20:41 UTC+0000
Release date
2024-01-23 04:20:41 UTC+0000
UTC Start
2023-01-23 04:08:07.347
UTC End
2023-01-23 04:12:07.347
MJD Start
59967.17230726
MJD End
59967.1750850378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0049375
Ambient temperature (°C)
14.51
Seeing (arcsec)
1.17
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 67.8770 67.7330 268.4000 267.9000
K0-D0 94.7610 94.9960 255.2000 254.8000
K0-J3 38.8490 38.4330 323.0070 323.3690
G2-D0 32.5390 32.8230 227.0000 227.0000
G2-J3 55.3640 55.8060 53.4500 53.3250
D0-J3 87.7730 88.5020 51.0480 50.9680
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 59967.17230726
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 67.877
HIERARCH ESO ISS PBL12 END 67.733
HIERARCH ESO ISS PBLA12 START 268.4
HIERARCH ESO ISS PBLA12 END 267.9
HIERARCH ESO ISS PBL13 START 94.761
HIERARCH ESO ISS PBL13 END 94.996
HIERARCH ESO ISS PBLA13 START 255.2
HIERARCH ESO ISS PBLA13 END 254.8
HIERARCH ESO ISS PBL14 START 38.849
HIERARCH ESO ISS PBL14 END 38.433
HIERARCH ESO ISS PBLA14 START 323.007
HIERARCH ESO ISS PBLA14 END 323.369
HIERARCH ESO ISS PBL23 START 32.539
HIERARCH ESO ISS PBL23 END 32.823
HIERARCH ESO ISS PBLA23 START 227.0
HIERARCH ESO ISS PBLA23 END 227.0
HIERARCH ESO ISS PBL24 START 55.364
HIERARCH ESO ISS PBL24 END 55.806
HIERARCH ESO ISS PBLA24 START 53.45
HIERARCH ESO ISS PBLA24 END 53.325
HIERARCH ESO ISS PBL34 START 87.773
HIERARCH ESO ISS PBL34 END 88.502
HIERARCH ESO ISS PBLA34 START 51.048
HIERARCH ESO ISS PBLA34 END 50.968
HIERARCH ESO ISS AMBI TAU0 START 0.004634
HIERARCH ESO ISS AMBI TAU0 END 0.005241
HIERARCH ESO ISS AMBI TEMP 14.51
HIERARCH ESO ISS AMBI FWHM START 1.23
HIERARCH ESO ISS AMBI FWHM END 1.11