Exposure
ID
PIONI.2025-07-22T04:27:47.253_1
Header ID
PIONI.2025-07-22T04:27:47.253
Date updated
2025-07-22 05:45:38 UTC+0000
Release date
2026-07-22 05:45:38 UTC+0000
UTC Start
2025-07-22 04:27:47.253
UTC End
2025-07-22 04:28:25.653
MJD Start
60878.1859635818
MJD End
60878.18640802624
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008315
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.48
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 81.8310 81.7100 116.7000 116.8000
A0-J2 122.9680 122.8290 93.1000 93.1000
A0-K0 126.5440 126.4790 72.7760 72.7710
G1-J2 58.2190 58.2150 58.7000 58.7000
G1-K0 88.3480 88.3850 32.7480 32.7890
J2-K0 44.0590 44.0560 357.4910 357.5890
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 60878.1859635818
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 81.831
HIERARCH ESO ISS PBL12 END 81.71
HIERARCH ESO ISS PBLA12 START 116.7
HIERARCH ESO ISS PBLA12 END 116.8
HIERARCH ESO ISS PBL13 START 122.968
HIERARCH ESO ISS PBL13 END 122.829
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 126.544
HIERARCH ESO ISS PBL14 END 126.479
HIERARCH ESO ISS PBLA14 START 72.776
HIERARCH ESO ISS PBLA14 END 72.771
HIERARCH ESO ISS PBL23 START 58.219
HIERARCH ESO ISS PBL23 END 58.215
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 88.348
HIERARCH ESO ISS PBL24 END 88.385
HIERARCH ESO ISS PBLA24 START 32.748
HIERARCH ESO ISS PBLA24 END 32.789
HIERARCH ESO ISS PBL34 START 44.059
HIERARCH ESO ISS PBL34 END 44.056
HIERARCH ESO ISS PBLA34 START 357.491
HIERARCH ESO ISS PBLA34 END 357.589
HIERARCH ESO ISS AMBI TAU0 START 0.008315
HIERARCH ESO ISS AMBI TAU0 END 0.008315
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48