Exposure
ID
PIONI.2025-11-30T01:53:39.263_1
Header ID
PIONI.2025-11-30T01:53:39.263
Date updated
2025-11-30 02:01:01 UTC+0000
Release date
2026-11-30 02:01:01 UTC+0000
UTC Start
2025-11-30 01:53:39.263
UTC End
2025-11-30 01:54:30.463
MJD Start
61009.0789266517
MJD End
61009.0795192443
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.005888
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.69
Observation
ID
71867
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
53348
Name
HD483
RA
2.330445
DEC
17.53317
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 32.2560 32.1910 154.9000 155.1000
A0-J2 116.8900 116.6570 84.4000 84.3000
A0-J6 155.6090 155.7850 37.2230 37.2300
B5-J2 110.4170 110.3420 68.4000 68.3000
B5-J6 172.9690 173.1780 27.7160 27.7680
J2-J6 114.5950 114.4930 348.8280 349.0090
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 61009.0789266517
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD483
RA 2.330445
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 32.256
HIERARCH ESO ISS PBL12 END 32.191
HIERARCH ESO ISS PBLA12 START 154.9
HIERARCH ESO ISS PBLA12 END 155.1
HIERARCH ESO ISS PBL13 START 116.89
HIERARCH ESO ISS PBL13 END 116.657
HIERARCH ESO ISS PBLA13 START 84.4
HIERARCH ESO ISS PBLA13 END 84.3
HIERARCH ESO ISS PBL14 START 155.609
HIERARCH ESO ISS PBL14 END 155.785
HIERARCH ESO ISS PBLA14 START 37.223
HIERARCH ESO ISS PBLA14 END 37.23
HIERARCH ESO ISS PBL23 START 110.417
HIERARCH ESO ISS PBL23 END 110.342
HIERARCH ESO ISS PBLA23 START 68.4
HIERARCH ESO ISS PBLA23 END 68.3
HIERARCH ESO ISS PBL24 START 172.969
HIERARCH ESO ISS PBL24 END 173.178
HIERARCH ESO ISS PBLA24 START 27.716
HIERARCH ESO ISS PBLA24 END 27.768
HIERARCH ESO ISS PBL34 START 114.595
HIERARCH ESO ISS PBL34 END 114.493
HIERARCH ESO ISS PBLA34 START 348.828
HIERARCH ESO ISS PBLA34 END 349.009
HIERARCH ESO ISS AMBI TAU0 START 0.005888
HIERARCH ESO ISS AMBI TAU0 END 0.005888
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69