Exposure
ID
GRAVI.2023-08-25T00:33:15.392_1
Header ID
GRAVI.2023-08-25T00:33:15.392
Date updated
2023-08-25 00:45:54 UTC+0000
Release date
2023-08-25 00:33:15 UTC+0000
UTC Start
2023-08-25 00:33:15.392
UTC End
2023-08-25 00:37:15.392
MJD Start
60181.02309482
MJD End
60181.02587259778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0047045
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.625
Observation
ID
56723
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
42026
Name
HD171706
RA
279.112076
DEC
-4.57625
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 90.4960 90.4580 113.7000 113.8000
A0-J2 128.1330 128.4230 92.0000 92.1000
A0-K0 123.9410 124.4810 70.9290 71.0990
G1-J2 55.2730 55.5450 54.8000 55.1000
G1-K0 84.1040 84.3550 24.0270 24.4920
J2-K0 46.2600 46.1950 346.3460 346.7700
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 60181.02309482
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD171706
HIERARCH ESO INS SOBJ NAME HD171706
RA 279.112076
DEC -4.57625
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 90.496
HIERARCH ESO ISS PBL12 END 90.458
HIERARCH ESO ISS PBLA12 START 113.7
HIERARCH ESO ISS PBLA12 END 113.8
HIERARCH ESO ISS PBL13 START 128.133
HIERARCH ESO ISS PBL13 END 128.423
HIERARCH ESO ISS PBLA13 START 92.0
HIERARCH ESO ISS PBLA13 END 92.1
HIERARCH ESO ISS PBL14 START 123.941
HIERARCH ESO ISS PBL14 END 124.481
HIERARCH ESO ISS PBLA14 START 70.929
HIERARCH ESO ISS PBLA14 END 71.099
HIERARCH ESO ISS PBL23 START 55.273
HIERARCH ESO ISS PBL23 END 55.545
HIERARCH ESO ISS PBLA23 START 54.8
HIERARCH ESO ISS PBLA23 END 55.1
HIERARCH ESO ISS PBL24 START 84.104
HIERARCH ESO ISS PBL24 END 84.355
HIERARCH ESO ISS PBLA24 START 24.027
HIERARCH ESO ISS PBLA24 END 24.492
HIERARCH ESO ISS PBL34 START 46.26
HIERARCH ESO ISS PBL34 END 46.195
HIERARCH ESO ISS PBLA34 START 346.346
HIERARCH ESO ISS PBLA34 END 346.77
HIERARCH ESO ISS AMBI TAU0 START 0.00506
HIERARCH ESO ISS AMBI TAU0 END 0.004349
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.71