Exposure
ID
PIONI.2025-06-01T06:14:05.226_1
Header ID
PIONI.2025-06-01T06:14:05.226
Date updated
2025-06-01 06:27:57 UTC+0000
Release date
2025-06-01 06:14:05 UTC+0000
UTC Start
2025-06-01 06:14:05.227
UTC End
2025-06-01 06:14:43.627
MJD Start
60827.2597827143
MJD End
60827.260227158746
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008694499999999999
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.29500000000000004
Observation
ID
67690
Category
calibrator
Program ID
115.28F2.002
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
50342
Name
HD170817
RA
277.856613
DEC
-0.28448
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.1150 46.0860 147.7000 147.7000
A0-J2 128.9350 128.9650 92.6000 92.6000
A0-J6 154.9330 155.0400 26.2620 26.3430
B5-J2 109.3130 109.3940 72.3000 72.3000
B5-J6 183.2400 183.3110 13.8580 13.9490
J2-J6 156.7320 156.6500 337.3920 337.4640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60827.2597827143
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170817
RA 277.856613
DEC -0.28448
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.115
HIERARCH ESO ISS PBL12 END 46.086
HIERARCH ESO ISS PBLA12 START 147.7
HIERARCH ESO ISS PBLA12 END 147.7
HIERARCH ESO ISS PBL13 START 128.935
HIERARCH ESO ISS PBL13 END 128.965
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 154.933
HIERARCH ESO ISS PBL14 END 155.04
HIERARCH ESO ISS PBLA14 START 26.262
HIERARCH ESO ISS PBLA14 END 26.343
HIERARCH ESO ISS PBL23 START 109.313
HIERARCH ESO ISS PBL23 END 109.394
HIERARCH ESO ISS PBLA23 START 72.3
HIERARCH ESO ISS PBLA23 END 72.3
HIERARCH ESO ISS PBL24 START 183.24
HIERARCH ESO ISS PBL24 END 183.311
HIERARCH ESO ISS PBLA24 START 13.858
HIERARCH ESO ISS PBLA24 END 13.949
HIERARCH ESO ISS PBL34 START 156.732
HIERARCH ESO ISS PBL34 END 156.65
HIERARCH ESO ISS PBLA34 START 337.392
HIERARCH ESO ISS PBLA34 END 337.464
HIERARCH ESO ISS AMBI TAU0 START 0.007525
HIERARCH ESO ISS AMBI TAU0 END 0.009864
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.28