Exposure
ID
PIONI.2025-12-15T03:09:20.811_1
Header ID
PIONI.2025-12-15T03:09:20.811
Date updated
2025-12-15 03:16:08 UTC+0000
Release date
2025-12-15 03:09:20 UTC+0000
UTC Start
2025-12-15 03:09:20.811
UTC End
2025-12-15 03:09:59.211
MJD Start
61024.1314908736
MJD End
61024.131935318044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0033565
Ambient temperature (°C)
10.05
Seeing (arcsec)
0.665
Observation
ID
72293
Category
calibrator
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
53696
Name
HD16639
RA
40.111662
DEC
13.52706
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 74.6070 74.4420 109.3000 109.3000
A0-J2 120.1130 119.9500 87.3000 87.3000
A0-K0 126.9160 126.8630 70.2390 70.1830
G1-J2 58.1210 58.1310 58.6000 58.5000
G1-K0 83.5400 83.6090 35.9490 35.9670
J2-K0 37.3130 37.3120 359.1630 359.2790
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.296R.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 61024.1314908736
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD16639
RA 40.111662
DEC 13.52706
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 74.607
HIERARCH ESO ISS PBL12 END 74.442
HIERARCH ESO ISS PBLA12 START 109.3
HIERARCH ESO ISS PBLA12 END 109.3
HIERARCH ESO ISS PBL13 START 120.113
HIERARCH ESO ISS PBL13 END 119.95
HIERARCH ESO ISS PBLA13 START 87.3
HIERARCH ESO ISS PBLA13 END 87.3
HIERARCH ESO ISS PBL14 START 126.916
HIERARCH ESO ISS PBL14 END 126.863
HIERARCH ESO ISS PBLA14 START 70.239
HIERARCH ESO ISS PBLA14 END 70.183
HIERARCH ESO ISS PBL23 START 58.121
HIERARCH ESO ISS PBL23 END 58.131
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 83.54
HIERARCH ESO ISS PBL24 END 83.609
HIERARCH ESO ISS PBLA24 START 35.949
HIERARCH ESO ISS PBLA24 END 35.967
HIERARCH ESO ISS PBL34 START 37.313
HIERARCH ESO ISS PBL34 END 37.312
HIERARCH ESO ISS PBLA34 START 359.163
HIERARCH ESO ISS PBLA34 END 359.279
HIERARCH ESO ISS AMBI TAU0 START 0.003179
HIERARCH ESO ISS AMBI TAU0 END 0.003534
HIERARCH ESO ISS AMBI TEMP 10.05
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.61