Exposure
ID
PIONI.2025-07-22T08:39:37.482_1
Header ID
PIONI.2025-07-22T08:39:37.482
Date updated
2025-07-22 08:45:46 UTC+0000
Release date
2026-07-22 08:45:46 UTC+0000
UTC Start
2025-07-22 08:39:37.482
UTC End
2025-07-22 08:40:15.882
MJD Start
60878.3608504916
MJD End
60878.36129493604
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006539
Ambient temperature (°C)
13.98
Seeing (arcsec)
0.33
Observation
ID
68917
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
51280
Name
zetHor
RA
40.163464
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 73.5470 73.6550 80.8000 81.0000
A0-J2 118.1890 118.2810 57.7000 57.9000
A0-K0 125.9690 125.9990 39.8860 40.0670
G1-J2 58.2270 58.2270 27.9000 28.1000
G1-K0 85.3160 85.3100 5.5030 5.6260
J2-K0 38.5530 38.5840 330.2940 330.3790
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 60878.3608504916
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME zetHor
RA 40.163464
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 73.547
HIERARCH ESO ISS PBL12 END 73.655
HIERARCH ESO ISS PBLA12 START 80.8
HIERARCH ESO ISS PBLA12 END 81.0
HIERARCH ESO ISS PBL13 START 118.189
HIERARCH ESO ISS PBL13 END 118.281
HIERARCH ESO ISS PBLA13 START 57.7
HIERARCH ESO ISS PBLA13 END 57.9
HIERARCH ESO ISS PBL14 START 125.969
HIERARCH ESO ISS PBL14 END 125.999
HIERARCH ESO ISS PBLA14 START 39.886
HIERARCH ESO ISS PBLA14 END 40.067
HIERARCH ESO ISS PBL23 START 58.227
HIERARCH ESO ISS PBL23 END 58.227
HIERARCH ESO ISS PBLA23 START 27.9
HIERARCH ESO ISS PBLA23 END 28.1
HIERARCH ESO ISS PBL24 START 85.316
HIERARCH ESO ISS PBL24 END 85.31
HIERARCH ESO ISS PBLA24 START 5.503
HIERARCH ESO ISS PBLA24 END 5.626
HIERARCH ESO ISS PBL34 START 38.553
HIERARCH ESO ISS PBL34 END 38.584
HIERARCH ESO ISS PBLA34 START 330.294
HIERARCH ESO ISS PBLA34 END 330.379
HIERARCH ESO ISS AMBI TAU0 START 0.006539
HIERARCH ESO ISS AMBI TAU0 END 0.006539
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.33