Exposure
ID
PIONI.2025-05-27T23:34:54.140_1
Header ID
PIONI.2025-05-27T23:34:54.140
Date updated
2025-05-27 23:41:04 UTC+0000
Release date
2026-05-27 23:41:04 UTC+0000
UTC Start
2025-05-27 23:34:54.140
UTC End
2025-05-27 23:35:32.540
MJD Start
60822.9825710612
MJD End
60822.98301550564
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008322
Ambient temperature (°C)
13.0
Seeing (arcsec)
0.43
Observation
ID
67603
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
50275
Name
HD87810
RA
151.780883
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 87.3390 87.2740 123.4000 123.5000
A0-J2 124.2850 124.1710 99.3000 99.4000
A0-K0 124.0870 123.9870 76.7880 76.8510
G1-J2 57.0440 57.0110 60.6000 60.7000
G1-K0 90.1650 90.1520 32.0660 32.1250
J2-K0 48.4770 48.4760 357.8120 357.9010
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 60822.9825710612
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.780883
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 87.339
HIERARCH ESO ISS PBL12 END 87.274
HIERARCH ESO ISS PBLA12 START 123.4
HIERARCH ESO ISS PBLA12 END 123.5
HIERARCH ESO ISS PBL13 START 124.285
HIERARCH ESO ISS PBL13 END 124.171
HIERARCH ESO ISS PBLA13 START 99.3
HIERARCH ESO ISS PBLA13 END 99.4
HIERARCH ESO ISS PBL14 START 124.087
HIERARCH ESO ISS PBL14 END 123.987
HIERARCH ESO ISS PBLA14 START 76.788
HIERARCH ESO ISS PBLA14 END 76.851
HIERARCH ESO ISS PBL23 START 57.044
HIERARCH ESO ISS PBL23 END 57.011
HIERARCH ESO ISS PBLA23 START 60.6
HIERARCH ESO ISS PBLA23 END 60.7
HIERARCH ESO ISS PBL24 START 90.165
HIERARCH ESO ISS PBL24 END 90.152
HIERARCH ESO ISS PBLA24 START 32.066
HIERARCH ESO ISS PBLA24 END 32.125
HIERARCH ESO ISS PBL34 START 48.477
HIERARCH ESO ISS PBL34 END 48.476
HIERARCH ESO ISS PBLA34 START 357.812
HIERARCH ESO ISS PBLA34 END 357.901
HIERARCH ESO ISS AMBI TAU0 START 0.008322
HIERARCH ESO ISS AMBI TAU0 END 0.008322
HIERARCH ESO ISS AMBI TEMP 13.0
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43