Exposure
ID
PIONI.2025-10-13T03:04:19.449_1
Header ID
PIONI.2025-10-13T03:04:19.449
Date updated
2025-10-13 03:11:51 UTC+0000
Release date
2025-10-13 03:04:19 UTC+0000
UTC Start
2025-10-13 03:04:19.449
UTC End
2025-10-13 03:04:57.849
MJD Start
60961.1280028778
MJD End
60961.12844732224
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0083315
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.415
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 48.2140 48.2010 142.9000 142.8000
A0-J2 99.8520 100.1210 105.0000 104.9000
A0-J6 112.3840 112.4280 5.8140 5.9860
B5-J2 68.4980 68.7940 79.4000 79.4000
B5-J6 151.2740 151.2210 353.2680 353.3920
J2-J6 161.8030 161.7220 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 60961.1280028778
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 48.214
HIERARCH ESO ISS PBL12 END 48.201
HIERARCH ESO ISS PBLA12 START 142.9
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 99.852
HIERARCH ESO ISS PBL13 END 100.121
HIERARCH ESO ISS PBLA13 START 105.0
HIERARCH ESO ISS PBLA13 END 104.9
HIERARCH ESO ISS PBL14 START 112.384
HIERARCH ESO ISS PBL14 END 112.428
HIERARCH ESO ISS PBLA14 START 5.814
HIERARCH ESO ISS PBLA14 END 5.986
HIERARCH ESO ISS PBL23 START 68.498
HIERARCH ESO ISS PBL23 END 68.794
HIERARCH ESO ISS PBLA23 START 79.4
HIERARCH ESO ISS PBLA23 END 79.4
HIERARCH ESO ISS PBL24 START 151.274
HIERARCH ESO ISS PBL24 END 151.221
HIERARCH ESO ISS PBLA24 START 353.268
HIERARCH ESO ISS PBLA24 END 353.392
HIERARCH ESO ISS PBL34 START 161.803
HIERARCH ESO ISS PBL34 END 161.722
HIERARCH ESO ISS PBLA34 START 328.288
HIERARCH ESO ISS PBLA34 END 328.287
HIERARCH ESO ISS AMBI TAU0 START 0.008852
HIERARCH ESO ISS AMBI TAU0 END 0.007811
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.42