Exposure
ID
PIONI.2025-07-22T04:25:15.646_1
Header ID
PIONI.2025-07-22T04:25:15.646
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 04:25:15.646
UTC End
2025-07-22 04:25:54.046
MJD Start
60878.1842088648
MJD End
60878.18465330924
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007582
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 82.2100 82.0890 116.6000 116.7000
A0-J2 123.4010 123.2630 93.0000 93.0000
A0-K0 126.7390 126.6780 72.7920 72.7900
G1-J2 58.2270 58.2250 58.6000 58.6000
G1-K0 88.2300 88.2680 32.6160 32.6620
J2-K0 44.0690 44.0660 357.1820 357.2850
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 60878.1842088648
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 82.21
HIERARCH ESO ISS PBL12 END 82.089
HIERARCH ESO ISS PBLA12 START 116.6
HIERARCH ESO ISS PBLA12 END 116.7
HIERARCH ESO ISS PBL13 START 123.401
HIERARCH ESO ISS PBL13 END 123.263
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 126.739
HIERARCH ESO ISS PBL14 END 126.678
HIERARCH ESO ISS PBLA14 START 72.792
HIERARCH ESO ISS PBLA14 END 72.79
HIERARCH ESO ISS PBL23 START 58.227
HIERARCH ESO ISS PBL23 END 58.225
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.23
HIERARCH ESO ISS PBL24 END 88.268
HIERARCH ESO ISS PBLA24 START 32.616
HIERARCH ESO ISS PBLA24 END 32.662
HIERARCH ESO ISS PBL34 START 44.069
HIERARCH ESO ISS PBL34 END 44.066
HIERARCH ESO ISS PBLA34 START 357.182
HIERARCH ESO ISS PBLA34 END 357.285
HIERARCH ESO ISS AMBI TAU0 START 0.006676
HIERARCH ESO ISS AMBI TAU0 END 0.008488
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.46