Exposure
ID
PIONI.2025-12-14T01:43:26.083_1
Header ID
PIONI.2025-12-14T01:43:26.083
Date updated
2025-12-14 01:50:57 UTC+0000
Release date
2026-12-14 01:50:56 UTC+0000
UTC Start
2025-12-14 01:43:26.083
UTC End
2025-12-14 01:44:04.483
MJD Start
61023.0718296641
MJD End
61023.07227410854
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0035205
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.78
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 58.5180 58.2920 105.8000 105.8000
A0-J2 104.7460 104.4910 80.1000 80.0000
A0-K0 120.7110 120.5810 63.8330 63.7400
G1-J2 57.8480 57.8290 54.1000 54.0000
G1-K0 86.5100 86.5630 36.9590 36.9440
J2-K0 35.5810 35.5970 8.3270 8.4420
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 61023.0718296641
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 58.518
HIERARCH ESO ISS PBL12 END 58.292
HIERARCH ESO ISS PBLA12 START 105.8
HIERARCH ESO ISS PBLA12 END 105.8
HIERARCH ESO ISS PBL13 START 104.746
HIERARCH ESO ISS PBL13 END 104.491
HIERARCH ESO ISS PBLA13 START 80.1
HIERARCH ESO ISS PBLA13 END 80.0
HIERARCH ESO ISS PBL14 START 120.711
HIERARCH ESO ISS PBL14 END 120.581
HIERARCH ESO ISS PBLA14 START 63.833
HIERARCH ESO ISS PBLA14 END 63.74
HIERARCH ESO ISS PBL23 START 57.848
HIERARCH ESO ISS PBL23 END 57.829
HIERARCH ESO ISS PBLA23 START 54.1
HIERARCH ESO ISS PBLA23 END 54.0
HIERARCH ESO ISS PBL24 START 86.51
HIERARCH ESO ISS PBL24 END 86.563
HIERARCH ESO ISS PBLA24 START 36.959
HIERARCH ESO ISS PBLA24 END 36.944
HIERARCH ESO ISS PBL34 START 35.581
HIERARCH ESO ISS PBL34 END 35.597
HIERARCH ESO ISS PBLA34 START 8.327
HIERARCH ESO ISS PBLA34 END 8.442
HIERARCH ESO ISS AMBI TAU0 START 0.003397
HIERARCH ESO ISS AMBI TAU0 END 0.003644
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78