Exposure
ID
PIONI.2025-07-22T04:57:03.224_1
Header ID
PIONI.2025-07-22T04:57:03.224
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 04:57:03.225
UTC End
2025-07-22 04:57:41.625
MJD Start
60878.2062873207
MJD End
60878.206731765145
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006673
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.5800000000000001
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 85.3030 85.2230 126.1000 126.2000
A0-J2 120.7530 120.6050 101.4000 101.5000
A0-K0 121.0530 120.9200 78.2790 78.3380
G1-J2 56.0450 55.9990 61.9000 61.9000
G1-K0 89.7770 89.7570 33.5320 33.5840
J2-K0 48.4400 48.4400 0.1800 0.2700
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 60878.2062873207
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 85.303
HIERARCH ESO ISS PBL12 END 85.223
HIERARCH ESO ISS PBLA12 START 126.1
HIERARCH ESO ISS PBLA12 END 126.2
HIERARCH ESO ISS PBL13 START 120.753
HIERARCH ESO ISS PBL13 END 120.605
HIERARCH ESO ISS PBLA13 START 101.4
HIERARCH ESO ISS PBLA13 END 101.5
HIERARCH ESO ISS PBL14 START 121.053
HIERARCH ESO ISS PBL14 END 120.92
HIERARCH ESO ISS PBLA14 START 78.279
HIERARCH ESO ISS PBLA14 END 78.338
HIERARCH ESO ISS PBL23 START 56.045
HIERARCH ESO ISS PBL23 END 55.999
HIERARCH ESO ISS PBLA23 START 61.9
HIERARCH ESO ISS PBLA23 END 61.9
HIERARCH ESO ISS PBL24 START 89.777
HIERARCH ESO ISS PBL24 END 89.757
HIERARCH ESO ISS PBLA24 START 33.532
HIERARCH ESO ISS PBLA24 END 33.584
HIERARCH ESO ISS PBL34 START 48.44
HIERARCH ESO ISS PBL34 END 48.44
HIERARCH ESO ISS PBLA34 START 0.18
HIERARCH ESO ISS PBLA34 END 0.27
HIERARCH ESO ISS AMBI TAU0 START 0.006673
HIERARCH ESO ISS AMBI TAU0 END 0.006673
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.56