Exposure
ID
PIONI.2025-06-02T04:00:39.599_1
Header ID
PIONI.2025-06-02T04:00:39.599
Date updated
2025-06-02 04:12:11 UTC+0000
Release date
2026-06-02 04:12:11 UTC+0000
UTC Start
2025-06-02 04:00:39.599
UTC End
2025-06-02 04:01:17.999
MJD Start
60828.1671249904
MJD End
60828.167569434845
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003663
Ambient temperature (°C)
11.01
Seeing (arcsec)
0.98
Observation
ID
67689
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
50341
Name
HD172103
RA
279.578603
DEC
-1.11299
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6310 48.6340 143.1000 143.1000
A0-J2 101.7180 101.9960 92.4000 92.4000
A0-J6 141.5150 141.5550 7.0810 7.2160
B5-J2 80.2470 80.4930 64.4000 64.5000
B5-J6 179.6860 179.6660 356.2400 356.3470
J2-J6 167.3920 167.3680 329.8120 329.8310
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 60828.1671249904
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD172103
RA 279.578603
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.631
HIERARCH ESO ISS PBL12 END 48.634
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 101.718
HIERARCH ESO ISS PBL13 END 101.996
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 141.515
HIERARCH ESO ISS PBL14 END 141.555
HIERARCH ESO ISS PBLA14 START 7.081
HIERARCH ESO ISS PBLA14 END 7.216
HIERARCH ESO ISS PBL23 START 80.247
HIERARCH ESO ISS PBL23 END 80.493
HIERARCH ESO ISS PBLA23 START 64.4
HIERARCH ESO ISS PBLA23 END 64.5
HIERARCH ESO ISS PBL24 START 179.686
HIERARCH ESO ISS PBL24 END 179.666
HIERARCH ESO ISS PBLA24 START 356.24
HIERARCH ESO ISS PBLA24 END 356.347
HIERARCH ESO ISS PBL34 START 167.392
HIERARCH ESO ISS PBL34 END 167.368
HIERARCH ESO ISS PBLA34 START 329.812
HIERARCH ESO ISS PBLA34 END 329.831
HIERARCH ESO ISS AMBI TAU0 START 0.003663
HIERARCH ESO ISS AMBI TAU0 END 0.003663
HIERARCH ESO ISS AMBI TEMP 11.01
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.98