Exposure
ID
GRAVI.2023-07-22T01:34:26.523_1
Header ID
GRAVI.2023-07-22T01:34:26.523
Date updated
2023-07-22 01:45:28 UTC+0000
Release date
2023-07-22 01:34:26 UTC+0000
UTC Start
2023-07-22 01:34:26.523
UTC End
2023-07-22 01:38:26.523
MJD Start
60147.06558476
MJD End
60147.06836253778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0027805
Ambient temperature (°C)
14.37
Seeing (arcsec)
0.605
Observation
ID
56268
Category
calibrator
Program ID
109.22XY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ GIEREN/ KERVELLA/ MÉRAND
Target
ID
41683
Name
HD164856
RA
270.924888
DEC
-12.77078
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.7340 89.0230 111.8000 112.0000
A0-J2 123.2910 123.9750 88.7000 88.9000
A0-K0 119.7690 120.5030 65.8410 66.2330
G1-J2 54.3420 54.6250 48.8000 49.3000
G1-K0 86.2750 86.4300 18.1600 18.7060
J2-K0 48.2320 48.1980 343.1520 343.5230
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.22XY.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60147.06558476
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD164856
HIERARCH ESO INS SOBJ NAME HD164856
RA 270.924888
DEC -12.77078
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 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 88.734
HIERARCH ESO ISS PBL12 END 89.023
HIERARCH ESO ISS PBLA12 START 111.8
HIERARCH ESO ISS PBLA12 END 112.0
HIERARCH ESO ISS PBL13 START 123.291
HIERARCH ESO ISS PBL13 END 123.975
HIERARCH ESO ISS PBLA13 START 88.7
HIERARCH ESO ISS PBLA13 END 88.9
HIERARCH ESO ISS PBL14 START 119.769
HIERARCH ESO ISS PBL14 END 120.503
HIERARCH ESO ISS PBLA14 START 65.841
HIERARCH ESO ISS PBLA14 END 66.233
HIERARCH ESO ISS PBL23 START 54.342
HIERARCH ESO ISS PBL23 END 54.625
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 86.275
HIERARCH ESO ISS PBL24 END 86.43
HIERARCH ESO ISS PBLA24 START 18.16
HIERARCH ESO ISS PBLA24 END 18.706
HIERARCH ESO ISS PBL34 START 48.232
HIERARCH ESO ISS PBL34 END 48.198
HIERARCH ESO ISS PBLA34 START 343.152
HIERARCH ESO ISS PBLA34 END 343.523
HIERARCH ESO ISS AMBI TAU0 START 0.002975
HIERARCH ESO ISS AMBI TAU0 END 0.002586
HIERARCH ESO ISS AMBI TEMP 14.37
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.59