Exposure
ID
PIONI.2025-07-19T06:57:13.134_1
Header ID
PIONI.2025-07-19T06:57:13.134
Date updated
2025-07-19 07:05:14 UTC+0000
Release date
2026-07-19 07:05:14 UTC+0000
UTC Start
2025-07-19 06:57:13.134
UTC End
2025-07-19 06:57:51.534
MJD Start
60875.2897353452
MJD End
60875.29017978964
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002564
Ambient temperature (°C)
13.04
Seeing (arcsec)
1.55
Observation
ID
68861
Category
science
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
51230
Name
HD173282
RA
281.326708
DEC
-21.00179
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 71.9800 71.8790 146.0000 146.2000
A0-J2 91.5730 91.3060 116.7000 116.9000
A0-K0 92.0000 91.7090 86.0100 86.0700
G1-J2 45.5100 45.4010 66.0000 66.0000
G1-K0 83.8130 83.7440 37.9520 37.9640
J2-K0 48.5980 48.6000 11.8430 11.9230
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60875.2897353452
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.326708
DEC -21.00179
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 71.98
HIERARCH ESO ISS PBL12 END 71.879
HIERARCH ESO ISS PBLA12 START 146.0
HIERARCH ESO ISS PBLA12 END 146.2
HIERARCH ESO ISS PBL13 START 91.573
HIERARCH ESO ISS PBL13 END 91.306
HIERARCH ESO ISS PBLA13 START 116.7
HIERARCH ESO ISS PBLA13 END 116.9
HIERARCH ESO ISS PBL14 START 92.0
HIERARCH ESO ISS PBL14 END 91.709
HIERARCH ESO ISS PBLA14 START 86.01
HIERARCH ESO ISS PBLA14 END 86.07
HIERARCH ESO ISS PBL23 START 45.51
HIERARCH ESO ISS PBL23 END 45.401
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 83.813
HIERARCH ESO ISS PBL24 END 83.744
HIERARCH ESO ISS PBLA24 START 37.952
HIERARCH ESO ISS PBLA24 END 37.964
HIERARCH ESO ISS PBL34 START 48.598
HIERARCH ESO ISS PBL34 END 48.6
HIERARCH ESO ISS PBLA34 START 11.843
HIERARCH ESO ISS PBLA34 END 11.923
HIERARCH ESO ISS AMBI TAU0 START 0.002564
HIERARCH ESO ISS AMBI TAU0 END 0.002564
HIERARCH ESO ISS AMBI TEMP 13.04
HIERARCH ESO ISS AMBI FWHM START 1.55
HIERARCH ESO ISS AMBI FWHM END 1.55