Exposure
ID
PIONI.2025-07-22T04:26:56.750_1
Header ID
PIONI.2025-07-22T04:26:56.750
Date updated
2025-07-22 05:35:53 UTC+0000
Release date
2026-07-22 05:35:53 UTC+0000
UTC Start
2025-07-22 04:26:56.750
UTC End
2025-07-22 04:27:35.150
MJD Start
60878.1853790549
MJD End
60878.18582349934
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0084015
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.47
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 81.9590 81.8360 116.7000 116.7000
A0-J2 123.1150 122.9740 93.0000 93.1000
A0-K0 126.6110 126.5470 72.7850 72.7770
G1-J2 58.2220 58.2190 58.7000 58.7000
G1-K0 88.3090 88.3470 32.7080 32.7470
J2-K0 44.0620 44.0590 357.3910 357.4870
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 60878.1853790549
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 81.959
HIERARCH ESO ISS PBL12 END 81.836
HIERARCH ESO ISS PBLA12 START 116.7
HIERARCH ESO ISS PBLA12 END 116.7
HIERARCH ESO ISS PBL13 START 123.115
HIERARCH ESO ISS PBL13 END 122.974
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 126.611
HIERARCH ESO ISS PBL14 END 126.547
HIERARCH ESO ISS PBLA14 START 72.785
HIERARCH ESO ISS PBLA14 END 72.777
HIERARCH ESO ISS PBL23 START 58.222
HIERARCH ESO ISS PBL23 END 58.219
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 88.309
HIERARCH ESO ISS PBL24 END 88.347
HIERARCH ESO ISS PBLA24 START 32.708
HIERARCH ESO ISS PBLA24 END 32.747
HIERARCH ESO ISS PBL34 START 44.062
HIERARCH ESO ISS PBL34 END 44.059
HIERARCH ESO ISS PBLA34 START 357.391
HIERARCH ESO ISS PBLA34 END 357.487
HIERARCH ESO ISS AMBI TAU0 START 0.008488
HIERARCH ESO ISS AMBI TAU0 END 0.008315
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.48