Exposure
ID
GRAVI.2022-08-07T05:10:57.159_1
Header ID
GRAVI.2022-08-07T05:10:57.159
Date updated
2022-08-07 05:25:43 UTC+0000
Release date
2022-08-07 05:10:57 UTC+0000
UTC Start
2022-08-07 05:10:57.159
UTC End
2022-08-07 05:14:57.159
MJD Start
59798.21593934
MJD End
59798.2187171178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004781
Ambient temperature (°C)
6.13
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 59.1690 58.1290 125.6000 126.3000
A0-J2 92.5160 90.8180 92.3000 92.3000
A0-J3 127.6810 127.1780 48.5900 48.3640
G1-J2 54.0150 53.6760 55.2000 54.9000
G1-J3 128.1310 128.3610 21.8370 22.0670
J2-J3 88.1720 88.2160 2.1470 2.7880
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 59798.21593934
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 59.169
HIERARCH ESO ISS PBL12 END 58.129
HIERARCH ESO ISS PBLA12 START 125.6
HIERARCH ESO ISS PBLA12 END 126.3
HIERARCH ESO ISS PBL13 START 92.516
HIERARCH ESO ISS PBL13 END 90.818
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 127.681
HIERARCH ESO ISS PBL14 END 127.178
HIERARCH ESO ISS PBLA14 START 48.59
HIERARCH ESO ISS PBLA14 END 48.364
HIERARCH ESO ISS PBL23 START 54.015
HIERARCH ESO ISS PBL23 END 53.676
HIERARCH ESO ISS PBLA23 START 55.2
HIERARCH ESO ISS PBLA23 END 54.9
HIERARCH ESO ISS PBL24 START 128.131
HIERARCH ESO ISS PBL24 END 128.361
HIERARCH ESO ISS PBLA24 START 21.837
HIERARCH ESO ISS PBLA24 END 22.067
HIERARCH ESO ISS PBL34 START 88.172
HIERARCH ESO ISS PBL34 END 88.216
HIERARCH ESO ISS PBLA34 START 2.147
HIERARCH ESO ISS PBLA34 END 2.788
HIERARCH ESO ISS AMBI TAU0 START 0.004883
HIERARCH ESO ISS AMBI TAU0 END 0.004679
HIERARCH ESO ISS AMBI TEMP 6.13
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.67