Exposure
ID
PIONI.2025-06-18T09:50:29.844_1
Header ID
PIONI.2025-06-18T09:50:29.844
Date updated
2025-06-18 10:00:45 UTC+0000
Release date
2026-06-18 10:00:45 UTC+0000
UTC Start
2025-06-18 09:50:29.844
UTC End
2025-06-18 09:51:08.244
MJD Start
60844.4100676393
MJD End
60844.41051208374
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003383
Ambient temperature (°C)
4.91
Seeing (arcsec)
0.71
Observation
ID
68127
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
50638
Name
zetHor
RA
40.163463
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 64.6690 64.7890 65.8000 66.0000
A0-J2 110.9660 111.0580 41.8000 42.0000
A0-K0 123.5620 123.5920 25.3310 25.5260
G1-J2 58.1560 58.1570 14.9000 15.1000
G1-K0 85.3720 85.3770 355.9010 356.0250
J2-K0 35.8330 35.8740 323.9340 324.0120
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 60844.4100676393
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetHor
RA 40.163463
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 64.669
HIERARCH ESO ISS PBL12 END 64.789
HIERARCH ESO ISS PBLA12 START 65.8
HIERARCH ESO ISS PBLA12 END 66.0
HIERARCH ESO ISS PBL13 START 110.966
HIERARCH ESO ISS PBL13 END 111.058
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 42.0
HIERARCH ESO ISS PBL14 START 123.562
HIERARCH ESO ISS PBL14 END 123.592
HIERARCH ESO ISS PBLA14 START 25.331
HIERARCH ESO ISS PBLA14 END 25.526
HIERARCH ESO ISS PBL23 START 58.156
HIERARCH ESO ISS PBL23 END 58.157
HIERARCH ESO ISS PBLA23 START 14.9
HIERARCH ESO ISS PBLA23 END 15.1
HIERARCH ESO ISS PBL24 START 85.372
HIERARCH ESO ISS PBL24 END 85.377
HIERARCH ESO ISS PBLA24 START 355.901
HIERARCH ESO ISS PBLA24 END 356.025
HIERARCH ESO ISS PBL34 START 35.833
HIERARCH ESO ISS PBL34 END 35.874
HIERARCH ESO ISS PBLA34 START 323.934
HIERARCH ESO ISS PBLA34 END 324.012
HIERARCH ESO ISS AMBI TAU0 START 0.003383
HIERARCH ESO ISS AMBI TAU0 END 0.003383
HIERARCH ESO ISS AMBI TEMP 4.91
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71