Exposure
ID
PIONI.2025-12-03T01:40:38.086_1
Header ID
PIONI.2025-12-03T01:40:38.086
Date updated
2025-12-03 01:45:53 UTC+0000
Release date
2026-12-03 01:45:53 UTC+0000
UTC Start
2025-12-03 01:40:38.086
UTC End
2025-12-03 01:41:16.486
MJD Start
61012.069885252
MJD End
61012.07032969644
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004183
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.8
Observation
ID
71951
Category
science
Program ID
116.296R.001
Program Title
WEIGHING SUN-LIKE STARS : HIGH-PRECISION MASSES OF G-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONAK / MOURARD / NARDETTO
Target
ID
53417
Name
HD483
RA
2.329861
DEC
17.53317
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 70.1960 70.0080 106.3000 106.3000
A0-J2 117.1670 116.9820 84.5000 84.4000
A0-K0 126.2840 126.2180 68.4900 68.4140
G1-J2 58.1710 58.1780 57.8000 57.8000
G1-K0 82.8570 82.9320 37.2070 37.2110
J2-K0 35.0310 35.0340 1.4090 1.5320
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.296R.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 61012.069885252
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD483
RA 2.329861
DEC 17.53317
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 70.196
HIERARCH ESO ISS PBL12 END 70.008
HIERARCH ESO ISS PBLA12 START 106.3
HIERARCH ESO ISS PBLA12 END 106.3
HIERARCH ESO ISS PBL13 START 117.167
HIERARCH ESO ISS PBL13 END 116.982
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 84.4
HIERARCH ESO ISS PBL14 START 126.284
HIERARCH ESO ISS PBL14 END 126.218
HIERARCH ESO ISS PBLA14 START 68.49
HIERARCH ESO ISS PBLA14 END 68.414
HIERARCH ESO ISS PBL23 START 58.171
HIERARCH ESO ISS PBL23 END 58.178
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 82.857
HIERARCH ESO ISS PBL24 END 82.932
HIERARCH ESO ISS PBLA24 START 37.207
HIERARCH ESO ISS PBLA24 END 37.211
HIERARCH ESO ISS PBL34 START 35.031
HIERARCH ESO ISS PBL34 END 35.034
HIERARCH ESO ISS PBLA34 START 1.409
HIERARCH ESO ISS PBLA34 END 1.532
HIERARCH ESO ISS AMBI TAU0 START 0.004183
HIERARCH ESO ISS AMBI TAU0 END 0.004183
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8