Exposure
ID
GRAVI.2023-08-19T00:59:26.190_1
Header ID
GRAVI.2023-08-19T00:59:26.190
Date updated
2023-08-19 01:10:34 UTC+0000
Release date
2023-08-19 00:59:26 UTC+0000
UTC Start
2023-08-19 00:59:26.190
UTC End
2023-08-19 01:03:26.190
MJD Start
60175.04127535
MJD End
60175.04405312778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0027845
Ambient temperature (°C)
11.41
Seeing (arcsec)
0.955
Observation
ID
56639
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
41964
Name
HD164856
RA
270.924886
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 90.0970 89.9440 115.6000 115.9000
A0-J2 129.2200 129.1620 92.8000 93.1000
A0-K0 127.7390 127.8560 71.4750 71.7290
G1-J2 57.8550 57.9480 55.7000 56.0000
G1-K0 88.9690 89.1020 26.6260 27.0310
J2-K0 47.6310 47.6020 350.3990 350.8510
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 60175.04127535
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD164856
HIERARCH ESO INS SOBJ NAME HD164856
RA 270.924886
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 90.097
HIERARCH ESO ISS PBL12 END 89.944
HIERARCH ESO ISS PBLA12 START 115.6
HIERARCH ESO ISS PBLA12 END 115.9
HIERARCH ESO ISS PBL13 START 129.22
HIERARCH ESO ISS PBL13 END 129.162
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 127.739
HIERARCH ESO ISS PBL14 END 127.856
HIERARCH ESO ISS PBLA14 START 71.475
HIERARCH ESO ISS PBLA14 END 71.729
HIERARCH ESO ISS PBL23 START 57.855
HIERARCH ESO ISS PBL23 END 57.948
HIERARCH ESO ISS PBLA23 START 55.7
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 88.969
HIERARCH ESO ISS PBL24 END 89.102
HIERARCH ESO ISS PBLA24 START 26.626
HIERARCH ESO ISS PBLA24 END 27.031
HIERARCH ESO ISS PBL34 START 47.631
HIERARCH ESO ISS PBL34 END 47.602
HIERARCH ESO ISS PBLA34 START 350.399
HIERARCH ESO ISS PBLA34 END 350.851
HIERARCH ESO ISS AMBI TAU0 START 0.002807
HIERARCH ESO ISS AMBI TAU0 END 0.002762
HIERARCH ESO ISS AMBI TEMP 11.41
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.94