Exposure
ID
GRAVI.2022-08-07T05:21:06.185_1
Header ID
GRAVI.2022-08-07T05:21:06.185
Date updated
2022-08-07 05:35:40 UTC+0000
Release date
2022-08-07 05:21:06 UTC+0000
UTC Start
2022-08-07 05:21:06.185
UTC End
2022-08-07 05:25:06.185
MJD Start
59798.22298825
MJD End
59798.2257660278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0043285
Ambient temperature (°C)
6.14
Seeing (arcsec)
0.655
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 56.6890 55.6470 127.4000 128.2000
A0-J2 88.4250 86.6600 92.3000 92.3000
A0-J3 126.4480 125.8930 48.0350 47.7820
G1-J2 53.1910 52.8270 54.5000 54.2000
G1-J3 128.6710 128.8890 22.3710 22.5800
J2-J3 88.2960 88.3670 3.6710 4.3050
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 59798.22298825
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 56.689
HIERARCH ESO ISS PBL12 END 55.647
HIERARCH ESO ISS PBLA12 START 127.4
HIERARCH ESO ISS PBLA12 END 128.2
HIERARCH ESO ISS PBL13 START 88.425
HIERARCH ESO ISS PBL13 END 86.66
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 126.448
HIERARCH ESO ISS PBL14 END 125.893
HIERARCH ESO ISS PBLA14 START 48.035
HIERARCH ESO ISS PBLA14 END 47.782
HIERARCH ESO ISS PBL23 START 53.191
HIERARCH ESO ISS PBL23 END 52.827
HIERARCH ESO ISS PBLA23 START 54.5
HIERARCH ESO ISS PBLA23 END 54.2
HIERARCH ESO ISS PBL24 START 128.671
HIERARCH ESO ISS PBL24 END 128.889
HIERARCH ESO ISS PBLA24 START 22.371
HIERARCH ESO ISS PBLA24 END 22.58
HIERARCH ESO ISS PBL34 START 88.296
HIERARCH ESO ISS PBL34 END 88.367
HIERARCH ESO ISS PBLA34 START 3.671
HIERARCH ESO ISS PBLA34 END 4.305
HIERARCH ESO ISS AMBI TAU0 START 0.004248
HIERARCH ESO ISS AMBI TAU0 END 0.004409
HIERARCH ESO ISS AMBI TEMP 6.14
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.66