Exposure
ID
GRAVI.2023-08-20T01:06:27.929_1
Header ID
GRAVI.2023-08-20T01:06:27.929
Date updated
2023-08-20 01:15:32 UTC+0000
Release date
2023-08-20 01:06:27 UTC+0000
UTC Start
2023-08-20 01:06:27.929
UTC End
2023-08-20 01:10:27.929
MJD Start
60176.04615659
MJD End
60176.04893436778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0048839999999999995
Ambient temperature (°C)
11.5
Seeing (arcsec)
0.635
Observation
ID
56656
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
41978
Name
HD164856
RA
270.924885
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 89.6560 89.4430 116.4000 116.7000
A0-J2 128.9840 128.8170 93.4000 93.7000
A0-K0 127.9630 127.9810 72.1170 72.3640
G1-J2 58.0680 58.1270 56.5000 56.8000
G1-K0 89.3010 89.4210 27.6510 28.0410
J2-K0 47.5580 47.5310 351.5690 352.0360
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 60176.04615659
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD164856
HIERARCH ESO INS SOBJ NAME HD164856
RA 270.924885
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 89.656
HIERARCH ESO ISS PBL12 END 89.443
HIERARCH ESO ISS PBLA12 START 116.4
HIERARCH ESO ISS PBLA12 END 116.7
HIERARCH ESO ISS PBL13 START 128.984
HIERARCH ESO ISS PBL13 END 128.817
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 127.963
HIERARCH ESO ISS PBL14 END 127.981
HIERARCH ESO ISS PBLA14 START 72.117
HIERARCH ESO ISS PBLA14 END 72.364
HIERARCH ESO ISS PBL23 START 58.068
HIERARCH ESO ISS PBL23 END 58.127
HIERARCH ESO ISS PBLA23 START 56.5
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 89.301
HIERARCH ESO ISS PBL24 END 89.421
HIERARCH ESO ISS PBLA24 START 27.651
HIERARCH ESO ISS PBLA24 END 28.041
HIERARCH ESO ISS PBL34 START 47.558
HIERARCH ESO ISS PBL34 END 47.531
HIERARCH ESO ISS PBLA34 START 351.569
HIERARCH ESO ISS PBLA34 END 352.036
HIERARCH ESO ISS AMBI TAU0 START 0.004841
HIERARCH ESO ISS AMBI TAU0 END 0.004927
HIERARCH ESO ISS AMBI TEMP 11.5
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.7