Exposure
ID
PIONI.2025-07-23T04:44:29.908_1
Header ID
PIONI.2025-07-23T04:44:29.908
Date updated
2025-07-23 04:51:06 UTC+0000
Release date
2026-07-23 04:51:05 UTC+0000
UTC Start
2025-07-23 04:44:29.908
UTC End
2025-07-23 04:45:08.308
MJD Start
60879.1975683845
MJD End
60879.19801282894
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002736
Ambient temperature (°C)
13.82
Seeing (arcsec)
0.54
Observation
ID
67036
Category
science
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
49844
Name
HD172103
RA
279.578048
DEC
-1.11299
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 78.4740 78.3310 118.1000 118.2000
A0-J2 118.8920 118.7100 93.3000 93.3000
A0-K0 124.4290 124.3260 72.5750 72.5670
G1-J2 57.9620 57.9450 58.6000 58.6000
G1-K0 89.2060 89.2360 33.6940 33.7290
J2-K0 44.0180 44.0180 0.0190 0.1220
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60879.1975683845
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD172103
RA 279.578048
DEC -1.11299
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 78.474
HIERARCH ESO ISS PBL12 END 78.331
HIERARCH ESO ISS PBLA12 START 118.1
HIERARCH ESO ISS PBLA12 END 118.2
HIERARCH ESO ISS PBL13 START 118.892
HIERARCH ESO ISS PBL13 END 118.71
HIERARCH ESO ISS PBLA13 START 93.3
HIERARCH ESO ISS PBLA13 END 93.3
HIERARCH ESO ISS PBL14 START 124.429
HIERARCH ESO ISS PBL14 END 124.326
HIERARCH ESO ISS PBLA14 START 72.575
HIERARCH ESO ISS PBLA14 END 72.567
HIERARCH ESO ISS PBL23 START 57.962
HIERARCH ESO ISS PBL23 END 57.945
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 89.206
HIERARCH ESO ISS PBL24 END 89.236
HIERARCH ESO ISS PBLA24 START 33.694
HIERARCH ESO ISS PBLA24 END 33.729
HIERARCH ESO ISS PBL34 START 44.018
HIERARCH ESO ISS PBL34 END 44.018
HIERARCH ESO ISS PBLA34 START 0.019
HIERARCH ESO ISS PBLA34 END 0.122
HIERARCH ESO ISS AMBI TAU0 START 0.002736
HIERARCH ESO ISS AMBI TAU0 END 0.002736
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54