Exposure
ID
PIONI.2025-12-03T01:41:28.598_1
Header ID
PIONI.2025-12-03T01:41:28.598
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 01:41:28.599
UTC End
2025-12-03 01:42:06.999
MJD Start
61012.0704698926
MJD End
61012.07091433704
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 70.0010 69.8130 106.3000 106.2000
A0-J2 116.9740 116.7870 84.4000 84.3000
A0-K0 126.2150 126.1470 68.4110 68.3390
G1-J2 58.1780 58.1850 57.8000 57.7000
G1-K0 82.9350 83.0090 37.2110 37.2190
J2-K0 35.0340 35.0380 1.5370 1.6650
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 61012.0704698926
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 70.001
HIERARCH ESO ISS PBL12 END 69.813
HIERARCH ESO ISS PBLA12 START 106.3
HIERARCH ESO ISS PBLA12 END 106.2
HIERARCH ESO ISS PBL13 START 116.974
HIERARCH ESO ISS PBL13 END 116.787
HIERARCH ESO ISS PBLA13 START 84.4
HIERARCH ESO ISS PBLA13 END 84.3
HIERARCH ESO ISS PBL14 START 126.215
HIERARCH ESO ISS PBL14 END 126.147
HIERARCH ESO ISS PBLA14 START 68.411
HIERARCH ESO ISS PBLA14 END 68.339
HIERARCH ESO ISS PBL23 START 58.178
HIERARCH ESO ISS PBL23 END 58.185
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 82.935
HIERARCH ESO ISS PBL24 END 83.009
HIERARCH ESO ISS PBLA24 START 37.211
HIERARCH ESO ISS PBLA24 END 37.219
HIERARCH ESO ISS PBL34 START 35.034
HIERARCH ESO ISS PBL34 END 35.038
HIERARCH ESO ISS PBLA34 START 1.537
HIERARCH ESO ISS PBLA34 END 1.665
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