Exposure
ID
PIONI.2025-07-23T04:41:08.320_1
Header ID
PIONI.2025-07-23T04:41:08.320
Date updated
2025-07-23 04:45:51 UTC+0000
Release date
2026-07-23 04:45:51 UTC+0000
UTC Start
2025-07-23 04:41:08.320
UTC End
2025-07-23 04:41:46.720
MJD Start
60879.1952351904
MJD End
60879.19567963484
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002975
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.52
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 79.0500 78.9140 117.9000 117.9000
A0-J2 119.6200 119.4480 93.2000 93.2000
A0-K0 124.8350 124.7400 72.6200 72.6100
G1-J2 58.0270 58.0130 58.6000 58.6000
G1-K0 89.0810 89.1110 33.5590 33.5920
J2-K0 44.0190 44.0180 359.6110 359.7090
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 60879.1952351904
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 79.05
HIERARCH ESO ISS PBL12 END 78.914
HIERARCH ESO ISS PBLA12 START 117.9
HIERARCH ESO ISS PBLA12 END 117.9
HIERARCH ESO ISS PBL13 START 119.62
HIERARCH ESO ISS PBL13 END 119.448
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 124.835
HIERARCH ESO ISS PBL14 END 124.74
HIERARCH ESO ISS PBLA14 START 72.62
HIERARCH ESO ISS PBLA14 END 72.61
HIERARCH ESO ISS PBL23 START 58.027
HIERARCH ESO ISS PBL23 END 58.013
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 89.081
HIERARCH ESO ISS PBL24 END 89.111
HIERARCH ESO ISS PBLA24 START 33.559
HIERARCH ESO ISS PBLA24 END 33.592
HIERARCH ESO ISS PBL34 START 44.019
HIERARCH ESO ISS PBL34 END 44.018
HIERARCH ESO ISS PBLA34 START 359.611
HIERARCH ESO ISS PBLA34 END 359.709
HIERARCH ESO ISS AMBI TAU0 START 0.002853
HIERARCH ESO ISS AMBI TAU0 END 0.003097
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52