Exposure
ID
PIONI.2025-08-23T05:22:24.300_1
Header ID
PIONI.2025-08-23T05:22:24.300
Date updated
2025-08-23 05:30:43 UTC+0000
Release date
2026-08-23 05:30:43 UTC+0000
UTC Start
2025-08-23 05:22:24.300
UTC End
2025-08-23 05:23:02.700
MJD Start
60910.2238923647
MJD End
60910.224336809144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003541
Ambient temperature (°C)
2.76
Seeing (arcsec)
0.79
Observation
ID
70079
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
51992
Name
HD173282
RA
281.327304
DEC
-21.00179
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 46.8530 46.8570 184.9000 185.0000
A0-J2 77.0240 76.7470 126.7000 126.9000
A0-J6 149.3720 149.2060 38.0850 38.0770
B5-J2 65.7620 65.4590 89.4000 89.5000
B5-J6 190.3060 190.1920 30.3300 30.3450
J2-J6 166.3530 166.3670 10.5050 10.6040
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 60910.2238923647
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.327304
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 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 46.853
HIERARCH ESO ISS PBL12 END 46.857
HIERARCH ESO ISS PBLA12 START 184.9
HIERARCH ESO ISS PBLA12 END 185.0
HIERARCH ESO ISS PBL13 START 77.024
HIERARCH ESO ISS PBL13 END 76.747
HIERARCH ESO ISS PBLA13 START 126.7
HIERARCH ESO ISS PBLA13 END 126.9
HIERARCH ESO ISS PBL14 START 149.372
HIERARCH ESO ISS PBL14 END 149.206
HIERARCH ESO ISS PBLA14 START 38.085
HIERARCH ESO ISS PBLA14 END 38.077
HIERARCH ESO ISS PBL23 START 65.762
HIERARCH ESO ISS PBL23 END 65.459
HIERARCH ESO ISS PBLA23 START 89.4
HIERARCH ESO ISS PBLA23 END 89.5
HIERARCH ESO ISS PBL24 START 190.306
HIERARCH ESO ISS PBL24 END 190.192
HIERARCH ESO ISS PBLA24 START 30.33
HIERARCH ESO ISS PBLA24 END 30.345
HIERARCH ESO ISS PBL34 START 166.353
HIERARCH ESO ISS PBL34 END 166.367
HIERARCH ESO ISS PBLA34 START 10.505
HIERARCH ESO ISS PBLA34 END 10.604
HIERARCH ESO ISS AMBI TAU0 START 0.003541
HIERARCH ESO ISS AMBI TAU0 END 0.003541
HIERARCH ESO ISS AMBI TEMP 2.76
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.76