Exposure
ID
PIONI.2025-10-13T03:06:50.489_1
Header ID
PIONI.2025-10-13T03:06:50.489
Date updated
2025-10-13 03:16:05 UTC+0000
Release date
2025-10-13 03:06:50 UTC+0000
UTC Start
2025-10-13 03:06:50.489
UTC End
2025-10-13 03:07:28.889
MJD Start
60961.129751035
MJD End
60961.13019547944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008555
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.41
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 48.1710 48.1560 142.8000 142.7000
A0-J2 100.6950 100.9660 104.7000 104.6000
A0-J6 112.5280 112.5770 6.3560 6.5290
B5-J2 69.4260 69.7250 79.4000 79.4000
B5-J6 151.1110 151.0600 353.6600 353.7850
J2-J6 161.5470 161.4630 328.2880 328.2870
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 60961.129751035
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 48.171
HIERARCH ESO ISS PBL12 END 48.156
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 100.695
HIERARCH ESO ISS PBL13 END 100.966
HIERARCH ESO ISS PBLA13 START 104.7
HIERARCH ESO ISS PBLA13 END 104.6
HIERARCH ESO ISS PBL14 START 112.528
HIERARCH ESO ISS PBL14 END 112.577
HIERARCH ESO ISS PBLA14 START 6.356
HIERARCH ESO ISS PBLA14 END 6.529
HIERARCH ESO ISS PBL23 START 69.426
HIERARCH ESO ISS PBL23 END 69.725
HIERARCH ESO ISS PBLA23 START 79.4
HIERARCH ESO ISS PBLA23 END 79.4
HIERARCH ESO ISS PBL24 START 151.111
HIERARCH ESO ISS PBL24 END 151.06
HIERARCH ESO ISS PBLA24 START 353.66
HIERARCH ESO ISS PBLA24 END 353.785
HIERARCH ESO ISS PBL34 START 161.547
HIERARCH ESO ISS PBL34 END 161.463
HIERARCH ESO ISS PBLA34 START 328.288
HIERARCH ESO ISS PBLA34 END 328.287
HIERARCH ESO ISS AMBI TAU0 START 0.008555
HIERARCH ESO ISS AMBI TAU0 END 0.008555
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41