Exposure
ID
PIONI.2025-07-23T07:18:40.448_1
Header ID
PIONI.2025-07-23T07:18:40.448
Date updated
2025-07-23 07:25:45 UTC+0000
Release date
2026-07-23 07:25:45 UTC+0000
UTC Start
2025-07-23 07:18:40.448
UTC End
2025-07-23 07:19:18.848
MJD Start
60879.3046348155
MJD End
60879.30507925994
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0076445
Ambient temperature (°C)
12.82
Seeing (arcsec)
0.32499999999999996
Observation
ID
68929
Category
science
Program ID
115.28F2.002
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
51289
Name
zetHor
RA
40.163465
DEC
-54.54988
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 62.5770 62.6940 62.0000 62.2000
A0-J2 109.3980 109.4840 37.9000 38.1000
A0-K0 123.0650 123.0920 21.9040 22.0980
G1-J2 58.1290 58.1300 11.9000 12.1000
G1-K0 85.2750 85.2810 353.7310 353.8530
J2-K0 35.1140 35.1550 322.5950 322.6700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60879.3046348155
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetHor
RA 40.163465
DEC -54.54988
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 62.577
HIERARCH ESO ISS PBL12 END 62.694
HIERARCH ESO ISS PBLA12 START 62.0
HIERARCH ESO ISS PBLA12 END 62.2
HIERARCH ESO ISS PBL13 START 109.398
HIERARCH ESO ISS PBL13 END 109.484
HIERARCH ESO ISS PBLA13 START 37.9
HIERARCH ESO ISS PBLA13 END 38.1
HIERARCH ESO ISS PBL14 START 123.065
HIERARCH ESO ISS PBL14 END 123.092
HIERARCH ESO ISS PBLA14 START 21.904
HIERARCH ESO ISS PBLA14 END 22.098
HIERARCH ESO ISS PBL23 START 58.129
HIERARCH ESO ISS PBL23 END 58.13
HIERARCH ESO ISS PBLA23 START 11.9
HIERARCH ESO ISS PBLA23 END 12.1
HIERARCH ESO ISS PBL24 START 85.275
HIERARCH ESO ISS PBL24 END 85.281
HIERARCH ESO ISS PBLA24 START 353.731
HIERARCH ESO ISS PBLA24 END 353.853
HIERARCH ESO ISS PBL34 START 35.114
HIERARCH ESO ISS PBL34 END 35.155
HIERARCH ESO ISS PBLA34 START 322.595
HIERARCH ESO ISS PBLA34 END 322.67
HIERARCH ESO ISS AMBI TAU0 START 0.00809
HIERARCH ESO ISS AMBI TAU0 END 0.007199
HIERARCH ESO ISS AMBI TEMP 12.82
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.35