Exposure
ID
GRAVI.2022-05-10T08:23:09.358_1
Header ID
GRAVI.2022-05-10T08:23:09.358
Date updated
2022-05-10 08:36:54 UTC+0000
Release date
2022-05-10 08:23:09 UTC+0000
UTC Start
2022-05-10 08:23:09.358
UTC End
2022-05-10 08:27:09.358
MJD Start
59709.34941386
MJD End
59709.3521916378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.002117
Ambient temperature (°C)
11.95
Seeing (arcsec)
2.09
Observation
ID
50855
Category
calibrator
Program ID
105.207C.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ GIEREN/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MERAND
Target
ID
37937
Name
HD_172174
RA
279.659432
DEC
1.34423
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.6870 87.2930 113.9000 114.0000
A0-J2 128.7830 128.5600 92.5000 92.4000
A0-J3 127.9030 128.3770 49.6510 49.8010
G1-J2 57.0600 57.2360 58.2000 58.3000
G1-J3 119.6450 119.8020 8.3250 8.7930
J2-J3 93.6940 93.4170 340.5550 341.0130
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.207C.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59709.34941386
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_172174
HIERARCH ESO INS SOBJ NAME HD_172174
RA 279.659432
DEC 1.34423
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
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 87.687
HIERARCH ESO ISS PBL12 END 87.293
HIERARCH ESO ISS PBLA12 START 113.9
HIERARCH ESO ISS PBLA12 END 114.0
HIERARCH ESO ISS PBL13 START 128.783
HIERARCH ESO ISS PBL13 END 128.56
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 127.903
HIERARCH ESO ISS PBL14 END 128.377
HIERARCH ESO ISS PBLA14 START 49.651
HIERARCH ESO ISS PBLA14 END 49.801
HIERARCH ESO ISS PBL23 START 57.06
HIERARCH ESO ISS PBL23 END 57.236
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 119.645
HIERARCH ESO ISS PBL24 END 119.802
HIERARCH ESO ISS PBLA24 START 8.325
HIERARCH ESO ISS PBLA24 END 8.793
HIERARCH ESO ISS PBL34 START 93.694
HIERARCH ESO ISS PBL34 END 93.417
HIERARCH ESO ISS PBLA34 START 340.555
HIERARCH ESO ISS PBLA34 END 341.013
HIERARCH ESO ISS AMBI TAU0 START 0.002206
HIERARCH ESO ISS AMBI TAU0 END 0.002028
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 2.02
HIERARCH ESO ISS AMBI FWHM END 2.16