Exposure
ID
GRAVI.2023-08-21T00:44:15.473_1
Header ID
GRAVI.2023-08-21T00:44:15.473
Date updated
2023-08-21 00:55:23 UTC+0000
Release date
2023-08-21 00:44:15 UTC+0000
UTC Start
2023-08-21 00:44:15.473
UTC End
2023-08-21 00:48:15.473
MJD Start
60177.03073464
MJD End
60177.03351241778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003627
Ambient temperature (°C)
12.18
Seeing (arcsec)
1.13
Observation
ID
56269
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
41684
Name
HD171706
RA
279.112076
DEC
-4.57624
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 90.5080 90.4980 113.6000 113.7000
A0-J2 127.7610 128.1010 91.9000 92.0000
A0-K0 123.3010 123.8840 70.7360 70.9150
G1-J2 54.9590 55.2450 54.5000 54.8000
G1-K0 83.8260 84.0780 23.5070 23.9840
J2-K0 46.3340 46.2670 345.8900 346.3080
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 60177.03073464
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD171706
HIERARCH ESO INS SOBJ NAME HD171706
RA 279.112076
DEC -4.57624
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 90.508
HIERARCH ESO ISS PBL12 END 90.498
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.7
HIERARCH ESO ISS PBL13 START 127.761
HIERARCH ESO ISS PBL13 END 128.101
HIERARCH ESO ISS PBLA13 START 91.9
HIERARCH ESO ISS PBLA13 END 92.0
HIERARCH ESO ISS PBL14 START 123.301
HIERARCH ESO ISS PBL14 END 123.884
HIERARCH ESO ISS PBLA14 START 70.736
HIERARCH ESO ISS PBLA14 END 70.915
HIERARCH ESO ISS PBL23 START 54.959
HIERARCH ESO ISS PBL23 END 55.245
HIERARCH ESO ISS PBLA23 START 54.5
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 83.826
HIERARCH ESO ISS PBL24 END 84.078
HIERARCH ESO ISS PBLA24 START 23.507
HIERARCH ESO ISS PBLA24 END 23.984
HIERARCH ESO ISS PBL34 START 46.334
HIERARCH ESO ISS PBL34 END 46.267
HIERARCH ESO ISS PBLA34 START 345.89
HIERARCH ESO ISS PBLA34 END 346.308
HIERARCH ESO ISS AMBI TAU0 START 0.003465
HIERARCH ESO ISS AMBI TAU0 END 0.003789
HIERARCH ESO ISS AMBI TEMP 12.18
HIERARCH ESO ISS AMBI FWHM START 1.2
HIERARCH ESO ISS AMBI FWHM END 1.06