Exposure
ID
PIONI.2025-07-21T06:17:12.721_1
Header ID
PIONI.2025-07-21T06:17:12.721
Date updated
2025-07-21 06:25:52 UTC+0000
Release date
2026-07-21 06:25:51 UTC+0000
UTC Start
2025-07-21 06:17:12.721
UTC End
2025-07-21 06:17:51.121
MJD Start
60877.2619527914
MJD End
60877.26239723584
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006432500000000001
Ambient temperature (°C)
14.94
Seeing (arcsec)
0.525
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 60.7630 60.5740 128.0000 128.1000
A0-J2 92.5070 92.1850 94.7000 94.7000
A0-K0 106.4780 106.2390 69.9730 69.9290
G1-J2 53.4220 53.3530 56.0000 56.0000
G1-K0 90.3990 90.3900 35.2170 35.2120
J2-K0 44.6830 44.6950 10.0950 10.1850
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 60877.2619527914
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 60.763
HIERARCH ESO ISS PBL12 END 60.574
HIERARCH ESO ISS PBLA12 START 128.0
HIERARCH ESO ISS PBLA12 END 128.1
HIERARCH ESO ISS PBL13 START 92.507
HIERARCH ESO ISS PBL13 END 92.185
HIERARCH ESO ISS PBLA13 START 94.7
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 106.478
HIERARCH ESO ISS PBL14 END 106.239
HIERARCH ESO ISS PBLA14 START 69.973
HIERARCH ESO ISS PBLA14 END 69.929
HIERARCH ESO ISS PBL23 START 53.422
HIERARCH ESO ISS PBL23 END 53.353
HIERARCH ESO ISS PBLA23 START 56.0
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 90.399
HIERARCH ESO ISS PBL24 END 90.39
HIERARCH ESO ISS PBLA24 START 35.217
HIERARCH ESO ISS PBLA24 END 35.212
HIERARCH ESO ISS PBL34 START 44.683
HIERARCH ESO ISS PBL34 END 44.695
HIERARCH ESO ISS PBLA34 START 10.095
HIERARCH ESO ISS PBLA34 END 10.185
HIERARCH ESO ISS AMBI TAU0 START 0.007649
HIERARCH ESO ISS AMBI TAU0 END 0.005216
HIERARCH ESO ISS AMBI TEMP 14.94
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.51