Exposure
ID
PIONI.2025-12-03T01:38:57.140_1
Header ID
PIONI.2025-12-03T01:38:57.140
Date updated
2025-12-03 01:45:53 UTC+0000
Release date
2026-12-03 01:45:53 UTC+0000
UTC Start
2025-12-03 01:38:57.140
UTC End
2025-12-03 01:39:35.540
MJD Start
61012.0687169028
MJD End
61012.069161347245
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004183
Ambient temperature (°C)
13.98
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 70.5790 70.3930 106.3000 106.3000
A0-J2 117.5450 117.3620 84.6000 84.5000
A0-K0 126.4170 126.3530 68.6400 68.5680
G1-J2 58.1540 58.1630 57.9000 57.9000
G1-K0 82.7020 82.7780 37.1920 37.2010
J2-K0 35.0260 35.0280 1.1470 1.2750
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 61012.0687169028
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 70.579
HIERARCH ESO ISS PBL12 END 70.393
HIERARCH ESO ISS PBLA12 START 106.3
HIERARCH ESO ISS PBLA12 END 106.3
HIERARCH ESO ISS PBL13 START 117.545
HIERARCH ESO ISS PBL13 END 117.362
HIERARCH ESO ISS PBLA13 START 84.6
HIERARCH ESO ISS PBLA13 END 84.5
HIERARCH ESO ISS PBL14 START 126.417
HIERARCH ESO ISS PBL14 END 126.353
HIERARCH ESO ISS PBLA14 START 68.64
HIERARCH ESO ISS PBLA14 END 68.568
HIERARCH ESO ISS PBL23 START 58.154
HIERARCH ESO ISS PBL23 END 58.163
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.9
HIERARCH ESO ISS PBL24 START 82.702
HIERARCH ESO ISS PBL24 END 82.778
HIERARCH ESO ISS PBLA24 START 37.192
HIERARCH ESO ISS PBLA24 END 37.201
HIERARCH ESO ISS PBL34 START 35.026
HIERARCH ESO ISS PBL34 END 35.028
HIERARCH ESO ISS PBLA34 START 1.147
HIERARCH ESO ISS PBLA34 END 1.275
HIERARCH ESO ISS AMBI TAU0 START 0.004183
HIERARCH ESO ISS AMBI TAU0 END 0.004183
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8