Exposure
ID
PIONI.2025-06-17T00:11:17.456_1
Header ID
PIONI.2025-06-17T00:11:17.456
Date updated
2025-06-17 00:20:50 UTC+0000
Release date
2026-06-17 00:20:50 UTC+0000
UTC Start
2025-06-17 00:11:17.456
UTC End
2025-06-17 00:11:55.856
MJD Start
60843.0078409309
MJD End
60843.00828537534
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0048614999999999995
Ambient temperature (°C)
7.56
Seeing (arcsec)
0.42
Observation
ID
68137
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
50646
Name
HD87810
RA
151.780884
DEC
-21.25568
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 74.1400 74.0350 142.8000 143.0000
A0-J2 96.6060 96.3460 114.3000 114.5000
A0-K0 97.0770 96.8000 85.2910 85.3520
G1-J2 47.3220 47.2190 66.0000 66.0000
G1-K0 84.8300 84.7650 37.7740 37.7920
J2-K0 48.5880 48.5890 10.3540 10.4380
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 60843.0078409309
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.780884
DEC -21.25568
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 74.14
HIERARCH ESO ISS PBL12 END 74.035
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 96.606
HIERARCH ESO ISS PBL13 END 96.346
HIERARCH ESO ISS PBLA13 START 114.3
HIERARCH ESO ISS PBLA13 END 114.5
HIERARCH ESO ISS PBL14 START 97.077
HIERARCH ESO ISS PBL14 END 96.8
HIERARCH ESO ISS PBLA14 START 85.291
HIERARCH ESO ISS PBLA14 END 85.352
HIERARCH ESO ISS PBL23 START 47.322
HIERARCH ESO ISS PBL23 END 47.219
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 84.83
HIERARCH ESO ISS PBL24 END 84.765
HIERARCH ESO ISS PBLA24 START 37.774
HIERARCH ESO ISS PBLA24 END 37.792
HIERARCH ESO ISS PBL34 START 48.588
HIERARCH ESO ISS PBL34 END 48.589
HIERARCH ESO ISS PBLA34 START 10.354
HIERARCH ESO ISS PBLA34 END 10.438
HIERARCH ESO ISS AMBI TAU0 START 0.004676
HIERARCH ESO ISS AMBI TAU0 END 0.005047
HIERARCH ESO ISS AMBI TEMP 7.56
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.41