Exposure
ID
GRAVI.2023-08-21T01:12:24.544_1
Header ID
GRAVI.2023-08-21T01:12:24.544
Date updated
2023-08-21 01:25:38 UTC+0000
Release date
2023-08-21 01:12:24 UTC+0000
UTC Start
2023-08-21 01:12:24.544
UTC End
2023-08-21 01:16:24.544
MJD Start
60177.05028407
MJD End
60177.05306184778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00324
Ambient temperature (°C)
11.77
Seeing (arcsec)
1.3050000000000002
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 89.1240 88.8590 117.1000 117.4000
A0-J2 128.5300 128.2650 94.0000 94.3000
A0-K0 127.9470 127.8770 72.6710 72.8890
G1-J2 58.1840 58.2120 57.1000 57.4000
G1-K0 89.5730 89.6820 28.5340 28.8890
J2-K0 47.4970 47.4740 352.6490 353.1060
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 60177.05028407
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 89.124
HIERARCH ESO ISS PBL12 END 88.859
HIERARCH ESO ISS PBLA12 START 117.1
HIERARCH ESO ISS PBLA12 END 117.4
HIERARCH ESO ISS PBL13 START 128.53
HIERARCH ESO ISS PBL13 END 128.265
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 127.947
HIERARCH ESO ISS PBL14 END 127.877
HIERARCH ESO ISS PBLA14 START 72.671
HIERARCH ESO ISS PBLA14 END 72.889
HIERARCH ESO ISS PBL23 START 58.184
HIERARCH ESO ISS PBL23 END 58.212
HIERARCH ESO ISS PBLA23 START 57.1
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 89.573
HIERARCH ESO ISS PBL24 END 89.682
HIERARCH ESO ISS PBLA24 START 28.534
HIERARCH ESO ISS PBLA24 END 28.889
HIERARCH ESO ISS PBL34 START 47.497
HIERARCH ESO ISS PBL34 END 47.474
HIERARCH ESO ISS PBLA34 START 352.649
HIERARCH ESO ISS PBLA34 END 353.106
HIERARCH ESO ISS AMBI TAU0 START 0.003146
HIERARCH ESO ISS AMBI TAU0 END 0.003334
HIERARCH ESO ISS AMBI TEMP 11.77
HIERARCH ESO ISS AMBI FWHM START 1.49
HIERARCH ESO ISS AMBI FWHM END 1.12