Exposure
ID
PIONI.2025-10-13T03:05:09.639_1
Header ID
PIONI.2025-10-13T03:05:09.639
Date updated
2025-10-13 03:16:05 UTC+0000
Release date
2025-10-13 03:05:09 UTC+0000
UTC Start
2025-10-13 03:05:09.640
UTC End
2025-10-13 03:05:48.040
MJD Start
60961.1285837912
MJD End
60961.12902823564
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0081565
Ambient temperature (°C)
13.57
Seeing (arcsec)
0.425
Observation
ID
70926
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
52633
Name
HD16639
RA
40.112235
DEC
13.52706
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 48.2000 48.1860 142.8000 142.8000
A0-J2 100.1320 100.4060 104.9000 104.8000
A0-J6 112.4300 112.4770 5.9930 6.1700
B5-J2 68.8060 69.1070 79.4000 79.4000
B5-J6 151.2190 151.1660 353.3970 353.5250
J2-J6 161.7190 161.6360 328.2870 328.2880
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 60961.1285837912
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD16639
RA 40.112235
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.2
HIERARCH ESO ISS PBL12 END 48.186
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 100.132
HIERARCH ESO ISS PBL13 END 100.406
HIERARCH ESO ISS PBLA13 START 104.9
HIERARCH ESO ISS PBLA13 END 104.8
HIERARCH ESO ISS PBL14 START 112.43
HIERARCH ESO ISS PBL14 END 112.477
HIERARCH ESO ISS PBLA14 START 5.993
HIERARCH ESO ISS PBLA14 END 6.17
HIERARCH ESO ISS PBL23 START 68.806
HIERARCH ESO ISS PBL23 END 69.107
HIERARCH ESO ISS PBLA23 START 79.4
HIERARCH ESO ISS PBLA23 END 79.4
HIERARCH ESO ISS PBL24 START 151.219
HIERARCH ESO ISS PBL24 END 151.166
HIERARCH ESO ISS PBLA24 START 353.397
HIERARCH ESO ISS PBLA24 END 353.525
HIERARCH ESO ISS PBL34 START 161.719
HIERARCH ESO ISS PBL34 END 161.636
HIERARCH ESO ISS PBLA34 START 328.287
HIERARCH ESO ISS PBLA34 END 328.288
HIERARCH ESO ISS AMBI TAU0 START 0.007811
HIERARCH ESO ISS AMBI TAU0 END 0.008502
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.43