Exposure
ID
PIONI.2025-10-28T04:44:37.380_1
Header ID
PIONI.2025-10-28T04:44:37.380
Date updated
2025-10-28 04:51:00 UTC+0000
Release date
2026-10-28 04:51:00 UTC+0000
UTC Start
2025-10-28 04:44:37.380
UTC End
2025-10-28 04:45:15.780
MJD Start
60976.1976548634
MJD End
60976.19809930784
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006468
Ambient temperature (°C)
10.59
Seeing (arcsec)
0.5549999999999999
Observation
ID
71028
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
52711
Name
HD483
RA
2.329863
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 59.5140 59.2900 105.8000 105.8000
A0-J2 105.8590 105.6090 80.5000 80.4000
A0-K0 121.2760 121.1500 64.2400 64.1490
G1-J2 57.9250 57.9080 54.4000 54.4000
G1-K0 86.2650 86.3210 37.0200 37.0070
J2-K0 35.5110 35.5270 7.8020 7.9210
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 60976.1976548634
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD483
RA 2.329863
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 59.514
HIERARCH ESO ISS PBL12 END 59.29
HIERARCH ESO ISS PBLA12 START 105.8
HIERARCH ESO ISS PBLA12 END 105.8
HIERARCH ESO ISS PBL13 START 105.859
HIERARCH ESO ISS PBL13 END 105.609
HIERARCH ESO ISS PBLA13 START 80.5
HIERARCH ESO ISS PBLA13 END 80.4
HIERARCH ESO ISS PBL14 START 121.276
HIERARCH ESO ISS PBL14 END 121.15
HIERARCH ESO ISS PBLA14 START 64.24
HIERARCH ESO ISS PBLA14 END 64.149
HIERARCH ESO ISS PBL23 START 57.925
HIERARCH ESO ISS PBL23 END 57.908
HIERARCH ESO ISS PBLA23 START 54.4
HIERARCH ESO ISS PBLA23 END 54.4
HIERARCH ESO ISS PBL24 START 86.265
HIERARCH ESO ISS PBL24 END 86.321
HIERARCH ESO ISS PBLA24 START 37.02
HIERARCH ESO ISS PBLA24 END 37.007
HIERARCH ESO ISS PBL34 START 35.511
HIERARCH ESO ISS PBL34 END 35.527
HIERARCH ESO ISS PBLA34 START 7.802
HIERARCH ESO ISS PBLA34 END 7.921
HIERARCH ESO ISS AMBI TAU0 START 0.006242
HIERARCH ESO ISS AMBI TAU0 END 0.006694
HIERARCH ESO ISS AMBI TEMP 10.59
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.54