Exposure
ID
PIONI.2025-07-22T04:54:32.240_1
Header ID
PIONI.2025-07-22T04:54:32.240
Date updated
2025-07-22 05:35:53 UTC+0000
Release date
2026-07-22 05:35:53 UTC+0000
UTC Start
2025-07-22 04:54:32.240
UTC End
2025-07-22 04:55:10.640
MJD Start
60878.2045398108
MJD End
60878.204984255244
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006862
Ambient temperature (°C)
14.49
Seeing (arcsec)
0.59
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 85.5520 85.4740 125.7000 125.8000
A0-J2 121.2110 121.0670 101.1000 101.2000
A0-K0 121.4650 121.3360 78.0940 78.1530
G1-J2 56.1860 56.1410 61.8000 61.8000
G1-K0 89.8400 89.8200 33.3670 33.4200
J2-K0 48.4400 48.4400 359.9000 359.9890
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 60878.2045398108
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 85.552
HIERARCH ESO ISS PBL12 END 85.474
HIERARCH ESO ISS PBLA12 START 125.7
HIERARCH ESO ISS PBLA12 END 125.8
HIERARCH ESO ISS PBL13 START 121.211
HIERARCH ESO ISS PBL13 END 121.067
HIERARCH ESO ISS PBLA13 START 101.1
HIERARCH ESO ISS PBLA13 END 101.2
HIERARCH ESO ISS PBL14 START 121.465
HIERARCH ESO ISS PBL14 END 121.336
HIERARCH ESO ISS PBLA14 START 78.094
HIERARCH ESO ISS PBLA14 END 78.153
HIERARCH ESO ISS PBL23 START 56.186
HIERARCH ESO ISS PBL23 END 56.141
HIERARCH ESO ISS PBLA23 START 61.8
HIERARCH ESO ISS PBLA23 END 61.8
HIERARCH ESO ISS PBL24 START 89.84
HIERARCH ESO ISS PBL24 END 89.82
HIERARCH ESO ISS PBLA24 START 33.367
HIERARCH ESO ISS PBLA24 END 33.42
HIERARCH ESO ISS PBL34 START 48.44
HIERARCH ESO ISS PBL34 END 48.44
HIERARCH ESO ISS PBLA34 START 359.9
HIERARCH ESO ISS PBLA34 END 359.989
HIERARCH ESO ISS AMBI TAU0 START 0.006862
HIERARCH ESO ISS AMBI TAU0 END 0.006862
HIERARCH ESO ISS AMBI TEMP 14.49
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59