Exposure
ID
PIONI.2025-07-22T08:14:44.498_1
Header ID
PIONI.2025-07-22T08:14:44.498
Date updated
2025-07-22 08:20:45 UTC+0000
Release date
2026-07-22 08:20:45 UTC+0000
UTC Start
2025-07-22 08:14:44.498
UTC End
2025-07-22 08:15:22.898
MJD Start
60878.3435705798
MJD End
60878.34401502424
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006858
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.31
Observation
ID
68916
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
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
51279
Name
16Psc
RA
354.095305
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 88.9340 88.8800 113.5000 113.5000
A0-J2 129.2310 129.2270 92.6000 92.5000
A0-K0 126.3290 126.3970 72.9460 72.9480
G1-J2 56.0630 56.1090 58.0000 58.0000
G1-K0 82.4370 82.4990 28.4020 28.4740
J2-K0 43.6070 43.5930 348.9850 349.0740
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 60878.3435705798
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 16Psc
RA 354.095305
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 88.934
HIERARCH ESO ISS PBL12 END 88.88
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 129.231
HIERARCH ESO ISS PBL13 END 129.227
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.329
HIERARCH ESO ISS PBL14 END 126.397
HIERARCH ESO ISS PBLA14 START 72.946
HIERARCH ESO ISS PBLA14 END 72.948
HIERARCH ESO ISS PBL23 START 56.063
HIERARCH ESO ISS PBL23 END 56.109
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 82.437
HIERARCH ESO ISS PBL24 END 82.499
HIERARCH ESO ISS PBLA24 START 28.402
HIERARCH ESO ISS PBLA24 END 28.474
HIERARCH ESO ISS PBL34 START 43.607
HIERARCH ESO ISS PBL34 END 43.593
HIERARCH ESO ISS PBLA34 START 348.985
HIERARCH ESO ISS PBLA34 END 349.074
HIERARCH ESO ISS AMBI TAU0 START 0.006858
HIERARCH ESO ISS AMBI TAU0 END 0.006858
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.31