Exposure
ID
PIONI.2025-12-03T01:42:19.123_1
Header ID
PIONI.2025-12-03T01:42:19.123
Date updated
2025-12-03 01:50:57 UTC+0000
Release date
2026-12-03 01:50:57 UTC+0000
UTC Start
2025-12-03 01:42:19.123
UTC End
2025-12-03 01:42:57.523
MJD Start
61012.071054663
MJD End
61012.07149910744
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004183
Ambient temperature (°C)
13.97
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 69.8090 69.6210 106.2000 106.2000
A0-J2 116.7840 116.5950 84.3000 84.3000
A0-K0 126.1460 126.0770 68.3350 68.2630
G1-J2 58.1850 58.1920 57.7000 57.7000
G1-K0 83.0110 83.0850 37.2170 37.2240
J2-K0 35.0380 35.0410 1.6660 1.7930
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 61012.071054663
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 69.809
HIERARCH ESO ISS PBL12 END 69.621
HIERARCH ESO ISS PBLA12 START 106.2
HIERARCH ESO ISS PBLA12 END 106.2
HIERARCH ESO ISS PBL13 START 116.784
HIERARCH ESO ISS PBL13 END 116.595
HIERARCH ESO ISS PBLA13 START 84.3
HIERARCH ESO ISS PBLA13 END 84.3
HIERARCH ESO ISS PBL14 START 126.146
HIERARCH ESO ISS PBL14 END 126.077
HIERARCH ESO ISS PBLA14 START 68.335
HIERARCH ESO ISS PBLA14 END 68.263
HIERARCH ESO ISS PBL23 START 58.185
HIERARCH ESO ISS PBL23 END 58.192
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 83.011
HIERARCH ESO ISS PBL24 END 83.085
HIERARCH ESO ISS PBLA24 START 37.217
HIERARCH ESO ISS PBLA24 END 37.224
HIERARCH ESO ISS PBL34 START 35.038
HIERARCH ESO ISS PBL34 END 35.041
HIERARCH ESO ISS PBLA34 START 1.666
HIERARCH ESO ISS PBLA34 END 1.793
HIERARCH ESO ISS AMBI TAU0 START 0.004183
HIERARCH ESO ISS AMBI TAU0 END 0.004183
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8