Exposure
ID
PIONI.2025-07-22T04:39:32.592_1
Header ID
PIONI.2025-07-22T04:39:32.592
Date updated
2025-07-22 05:35:53 UTC+0000
Release date
2025-07-22 04:39:32 UTC+0000
UTC Start
2025-07-22 04:39:32.592
UTC End
2025-07-22 04:40:10.992
MJD Start
60878.1941272211
MJD End
60878.19457166554
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008730000000000002
Ambient temperature (°C)
14.62
Seeing (arcsec)
0.455
Observation
ID
67037
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
49845
Name
HD170817
RA
277.856058
DEC
-0.28448
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 78.5210 78.3790 117.5000 117.6000
A0-J2 119.2930 119.1150 92.9000 92.9000
A0-K0 124.7990 124.7020 72.4230 72.4070
G1-J2 58.0390 58.0250 58.6000 58.5000
G1-K0 88.9390 88.9720 33.6970 33.7270
J2-K0 43.7160 43.7160 359.7740 359.8720
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 60878.1941272211
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170817
RA 277.856058
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 78.521
HIERARCH ESO ISS PBL12 END 78.379
HIERARCH ESO ISS PBLA12 START 117.5
HIERARCH ESO ISS PBLA12 END 117.6
HIERARCH ESO ISS PBL13 START 119.293
HIERARCH ESO ISS PBL13 END 119.115
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 124.799
HIERARCH ESO ISS PBL14 END 124.702
HIERARCH ESO ISS PBLA14 START 72.423
HIERARCH ESO ISS PBLA14 END 72.407
HIERARCH ESO ISS PBL23 START 58.039
HIERARCH ESO ISS PBL23 END 58.025
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 88.939
HIERARCH ESO ISS PBL24 END 88.972
HIERARCH ESO ISS PBLA24 START 33.697
HIERARCH ESO ISS PBLA24 END 33.727
HIERARCH ESO ISS PBL34 START 43.716
HIERARCH ESO ISS PBL34 END 43.716
HIERARCH ESO ISS PBLA34 START 359.774
HIERARCH ESO ISS PBLA34 END 359.872
HIERARCH ESO ISS AMBI TAU0 START 0.008011
HIERARCH ESO ISS AMBI TAU0 END 0.009449
HIERARCH ESO ISS AMBI TEMP 14.62
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.46