Exposure
ID
PIONI.2025-06-16T09:00:13.670_1
Header ID
PIONI.2025-06-16T09:00:13.670
Date updated
2025-06-16 09:11:01 UTC+0000
Release date
2026-06-16 09:11:01 UTC+0000
UTC Start
2025-06-16 09:00:13.670
UTC End
2025-06-16 09:00:52.070
MJD Start
60842.3751582219
MJD End
60842.37560266634
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003085
Ambient temperature (°C)
6.79
Seeing (arcsec)
0.93
Observation
ID
68124
Category
science
Program ID
115.28F2.003
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
50635
Name
HD173282
RA
281.326707
DEC
-21.00179
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 72.8320 72.7300 144.4000 144.6000
A0-J2 93.8000 93.5380 115.4000 115.6000
A0-K0 94.4080 94.1260 85.5150 85.5730
G1-J2 46.4090 46.3040 65.9000 65.9000
G1-K0 84.3780 84.3120 37.8410 37.8560
J2-K0 48.5850 48.5870 11.1630 11.2440
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60842.3751582219
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.326707
DEC -21.00179
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 72.832
HIERARCH ESO ISS PBL12 END 72.73
HIERARCH ESO ISS PBLA12 START 144.4
HIERARCH ESO ISS PBLA12 END 144.6
HIERARCH ESO ISS PBL13 START 93.8
HIERARCH ESO ISS PBL13 END 93.538
HIERARCH ESO ISS PBLA13 START 115.4
HIERARCH ESO ISS PBLA13 END 115.6
HIERARCH ESO ISS PBL14 START 94.408
HIERARCH ESO ISS PBL14 END 94.126
HIERARCH ESO ISS PBLA14 START 85.515
HIERARCH ESO ISS PBLA14 END 85.573
HIERARCH ESO ISS PBL23 START 46.409
HIERARCH ESO ISS PBL23 END 46.304
HIERARCH ESO ISS PBLA23 START 65.9
HIERARCH ESO ISS PBLA23 END 65.9
HIERARCH ESO ISS PBL24 START 84.378
HIERARCH ESO ISS PBL24 END 84.312
HIERARCH ESO ISS PBLA24 START 37.841
HIERARCH ESO ISS PBLA24 END 37.856
HIERARCH ESO ISS PBL34 START 48.585
HIERARCH ESO ISS PBL34 END 48.587
HIERARCH ESO ISS PBLA34 START 11.163
HIERARCH ESO ISS PBLA34 END 11.244
HIERARCH ESO ISS AMBI TAU0 START 0.003085
HIERARCH ESO ISS AMBI TAU0 END 0.003085
HIERARCH ESO ISS AMBI TEMP 6.79
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93