Exposure
ID
PIONI.2025-09-20T03:51:15.368_1
Header ID
PIONI.2025-09-20T03:51:15.368
Date updated
2025-09-20 04:00:55 UTC+0000
Release date
2026-09-20 04:00:54 UTC+0000
UTC Start
2025-09-20 03:51:15.368
UTC End
2025-09-20 03:51:53.768
MJD Start
60938.1605945379
MJD End
60938.16103898234
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0025535
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.855
Observation
ID
70467
Category
science
Program ID
115.28F2.003
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONAK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
52253
Name
16Psc
RA
354.095301
DEC
2.10257
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 90.2460 90.2230 113.4000 113.4000
A0-J2 128.4230 128.4740 92.8000 92.8000
A0-K0 123.1330 123.2510 72.7580 72.7710
G1-J2 54.1730 54.2370 57.0000 57.1000
G1-K0 80.2650 80.3290 25.6710 25.7630
J2-K0 44.1560 44.1380 346.0170 346.1050
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60938.1605945379
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 16Psc
RA 354.095301
DEC 2.10257
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 90.246
HIERARCH ESO ISS PBL12 END 90.223
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 128.423
HIERARCH ESO ISS PBL13 END 128.474
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 123.133
HIERARCH ESO ISS PBL14 END 123.251
HIERARCH ESO ISS PBLA14 START 72.758
HIERARCH ESO ISS PBLA14 END 72.771
HIERARCH ESO ISS PBL23 START 54.173
HIERARCH ESO ISS PBL23 END 54.237
HIERARCH ESO ISS PBLA23 START 57.0
HIERARCH ESO ISS PBLA23 END 57.1
HIERARCH ESO ISS PBL24 START 80.265
HIERARCH ESO ISS PBL24 END 80.329
HIERARCH ESO ISS PBLA24 START 25.671
HIERARCH ESO ISS PBLA24 END 25.763
HIERARCH ESO ISS PBL34 START 44.156
HIERARCH ESO ISS PBL34 END 44.138
HIERARCH ESO ISS PBLA34 START 346.017
HIERARCH ESO ISS PBLA34 END 346.105
HIERARCH ESO ISS AMBI TAU0 START 0.002515
HIERARCH ESO ISS AMBI TAU0 END 0.002592
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.81