Exposure
ID
PIONI.2025-10-15T01:53:18.667_1
Header ID
PIONI.2025-10-15T01:53:18.667
Date updated
2025-10-15 02:00:50 UTC+0000
Release date
2026-10-15 02:00:50 UTC+0000
UTC Start
2025-10-15 01:53:18.667
UTC End
2025-10-15 01:54:09.867
MJD Start
60963.0786882793
MJD End
60963.0792808719
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.0047965
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.77
Observation
ID
70904
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
52612
Name
zetPscB
RA
18.438805
DEC
7.57794
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 48.3440 48.3290 142.8000 142.8000
A0-J2 105.8970 106.2240 98.6000 98.6000
A0-J6 126.3450 126.4310 9.6820 9.8740
B5-J2 78.7840 79.1240 73.3000 73.3000
B5-J6 163.2380 163.2130 357.1940 357.3460
J2-J6 163.3320 163.2420 329.2780 329.2970
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 60963.0786882793
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetPscB
RA 18.438805
DEC 7.57794
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 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.344
HIERARCH ESO ISS PBL12 END 48.329
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 105.897
HIERARCH ESO ISS PBL13 END 106.224
HIERARCH ESO ISS PBLA13 START 98.6
HIERARCH ESO ISS PBLA13 END 98.6
HIERARCH ESO ISS PBL14 START 126.345
HIERARCH ESO ISS PBL14 END 126.431
HIERARCH ESO ISS PBLA14 START 9.682
HIERARCH ESO ISS PBLA14 END 9.874
HIERARCH ESO ISS PBL23 START 78.784
HIERARCH ESO ISS PBL23 END 79.124
HIERARCH ESO ISS PBLA23 START 73.3
HIERARCH ESO ISS PBLA23 END 73.3
HIERARCH ESO ISS PBL24 START 163.238
HIERARCH ESO ISS PBL24 END 163.213
HIERARCH ESO ISS PBLA24 START 357.194
HIERARCH ESO ISS PBLA24 END 357.346
HIERARCH ESO ISS PBL34 START 163.332
HIERARCH ESO ISS PBL34 END 163.242
HIERARCH ESO ISS PBLA34 START 329.278
HIERARCH ESO ISS PBLA34 END 329.297
HIERARCH ESO ISS AMBI TAU0 START 0.005046
HIERARCH ESO ISS AMBI TAU0 END 0.004547
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.8