Exposure
ID
PIONI.2025-10-28T04:42:56.324_1
Header ID
PIONI.2025-10-28T04:42:56.324
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 04:42:56.323
UTC End
2025-10-28 04:43:34.723
MJD Start
60976.1964852251
MJD End
60976.19692966954
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0057
Ambient temperature (°C)
10.61
Seeing (arcsec)
0.55
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 59.9730 59.7510 105.8000 105.8000
A0-J2 106.3690 106.1220 80.6000 80.6000
A0-K0 121.5320 121.4090 64.4260 64.3360
G1-J2 57.9580 57.9420 54.6000 54.5000
G1-K0 86.1490 86.2050 37.0460 37.0340
J2-K0 35.4800 35.4950 7.5570 7.6760
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 60976.1964852251
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 59.973
HIERARCH ESO ISS PBL12 END 59.751
HIERARCH ESO ISS PBLA12 START 105.8
HIERARCH ESO ISS PBLA12 END 105.8
HIERARCH ESO ISS PBL13 START 106.369
HIERARCH ESO ISS PBL13 END 106.122
HIERARCH ESO ISS PBLA13 START 80.6
HIERARCH ESO ISS PBLA13 END 80.6
HIERARCH ESO ISS PBL14 START 121.532
HIERARCH ESO ISS PBL14 END 121.409
HIERARCH ESO ISS PBLA14 START 64.426
HIERARCH ESO ISS PBLA14 END 64.336
HIERARCH ESO ISS PBL23 START 57.958
HIERARCH ESO ISS PBL23 END 57.942
HIERARCH ESO ISS PBLA23 START 54.6
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 86.149
HIERARCH ESO ISS PBL24 END 86.205
HIERARCH ESO ISS PBLA24 START 37.046
HIERARCH ESO ISS PBLA24 END 37.034
HIERARCH ESO ISS PBL34 START 35.48
HIERARCH ESO ISS PBL34 END 35.495
HIERARCH ESO ISS PBLA34 START 7.557
HIERARCH ESO ISS PBLA34 END 7.676
HIERARCH ESO ISS AMBI TAU0 START 0.0057
HIERARCH ESO ISS AMBI TAU0 END 0.0057
HIERARCH ESO ISS AMBI TEMP 10.61
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55