Exposure
ID
PIONI.2025-08-23T07:33:33.744_1
Header ID
PIONI.2025-08-23T07:33:33.744
Date updated
2025-08-23 07:40:49 UTC+0000
Release date
2025-08-23 07:33:33 UTC+0000
UTC Start
2025-08-23 07:33:33.744
UTC End
2025-08-23 07:34:12.144
MJD Start
60910.3149738912
MJD End
60910.315418335646
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002471
Ambient temperature (°C)
2.87
Seeing (arcsec)
1.21
Observation
ID
70081
Category
calibrator
Program ID
115.28F2.003
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
51994
Name
HD220171
RA
350.433186
DEC
3.06035
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 39.8910 39.8560 159.6000 159.7000
A0-J2 116.8060 116.6080 91.3000 91.3000
A0-J6 165.9730 166.0440 34.4590 34.4830
B5-J2 108.5750 108.4820 71.4000 71.3000
B5-J6 191.7400 191.8340 24.6650 24.7140
J2-J6 141.4180 141.3660 350.6910 350.8090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60910.3149738912
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD220171
RA 350.433186
DEC 3.06035
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 39.891
HIERARCH ESO ISS PBL12 END 39.856
HIERARCH ESO ISS PBLA12 START 159.6
HIERARCH ESO ISS PBLA12 END 159.7
HIERARCH ESO ISS PBL13 START 116.806
HIERARCH ESO ISS PBL13 END 116.608
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 165.973
HIERARCH ESO ISS PBL14 END 166.044
HIERARCH ESO ISS PBLA14 START 34.459
HIERARCH ESO ISS PBLA14 END 34.483
HIERARCH ESO ISS PBL23 START 108.575
HIERARCH ESO ISS PBL23 END 108.482
HIERARCH ESO ISS PBLA23 START 71.4
HIERARCH ESO ISS PBLA23 END 71.3
HIERARCH ESO ISS PBL24 START 191.74
HIERARCH ESO ISS PBL24 END 191.834
HIERARCH ESO ISS PBLA24 START 24.665
HIERARCH ESO ISS PBLA24 END 24.714
HIERARCH ESO ISS PBL34 START 141.418
HIERARCH ESO ISS PBL34 END 141.366
HIERARCH ESO ISS PBLA34 START 350.691
HIERARCH ESO ISS PBLA34 END 350.809
HIERARCH ESO ISS AMBI TAU0 START 0.002471
HIERARCH ESO ISS AMBI TAU0 END 0.002471
HIERARCH ESO ISS AMBI TEMP 2.87
HIERARCH ESO ISS AMBI FWHM START 1.21
HIERARCH ESO ISS AMBI FWHM END 1.21