Exposure
ID
PIONI.2025-07-19T06:58:03.623_1
Header ID
PIONI.2025-07-19T06:58:03.623
Date updated
2025-07-19 15:22:57 UTC+0000
Release date
2026-07-19 15:22:30 UTC+0000
UTC Start
2025-07-19 06:58:03.623
UTC End
2025-07-19 06:58:42.023
MJD Start
60875.2903197128
MJD End
60875.290764157246
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0023375
Ambient temperature (°C)
12.95
Seeing (arcsec)
1.55
Observation
ID
68861
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
51230
Name
HD173282
RA
281.326708
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 71.8750 71.7730 146.2000 146.4000
A0-J2 91.2950 91.0230 116.9000 117.0000
A0-K0 91.6970 91.3990 86.0720 86.1330
G1-J2 45.3970 45.2850 66.0000 66.0000
G1-K0 83.7410 83.6710 37.9640 37.9760
J2-K0 48.6000 48.6020 11.9270 12.0080
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 60875.2903197128
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.326708
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 71.875
HIERARCH ESO ISS PBL12 END 71.773
HIERARCH ESO ISS PBLA12 START 146.2
HIERARCH ESO ISS PBLA12 END 146.4
HIERARCH ESO ISS PBL13 START 91.295
HIERARCH ESO ISS PBL13 END 91.023
HIERARCH ESO ISS PBLA13 START 116.9
HIERARCH ESO ISS PBLA13 END 117.0
HIERARCH ESO ISS PBL14 START 91.697
HIERARCH ESO ISS PBL14 END 91.399
HIERARCH ESO ISS PBLA14 START 86.072
HIERARCH ESO ISS PBLA14 END 86.133
HIERARCH ESO ISS PBL23 START 45.397
HIERARCH ESO ISS PBL23 END 45.285
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 83.741
HIERARCH ESO ISS PBL24 END 83.671
HIERARCH ESO ISS PBLA24 START 37.964
HIERARCH ESO ISS PBLA24 END 37.976
HIERARCH ESO ISS PBL34 START 48.6
HIERARCH ESO ISS PBL34 END 48.602
HIERARCH ESO ISS PBLA34 START 11.927
HIERARCH ESO ISS PBLA34 END 12.008
HIERARCH ESO ISS AMBI TAU0 START 0.002564
HIERARCH ESO ISS AMBI TAU0 END 0.002111
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 1.55
HIERARCH ESO ISS AMBI FWHM END 1.55