Exposure
ID
PIONI.2025-05-27T23:32:23.356_1
Header ID
PIONI.2025-05-27T23:32:23.356
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 23:32:23.356
UTC End
2025-05-27 23:33:01.756
MJD Start
60822.980825881
MJD End
60822.98127032544
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008322
Ambient temperature (°C)
12.95
Seeing (arcsec)
0.45
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 87.5390 87.4750 123.1000 123.2000
A0-J2 124.6370 124.5240 99.0000 99.1000
A0-K0 124.3930 124.2950 76.5930 76.6560
G1-J2 57.1460 57.1140 60.5000 60.5000
G1-K0 90.2050 90.1920 31.8780 31.9380
J2-K0 48.4790 48.4780 357.5340 357.6230
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 60822.980825881
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 87.539
HIERARCH ESO ISS PBL12 END 87.475
HIERARCH ESO ISS PBLA12 START 123.1
HIERARCH ESO ISS PBLA12 END 123.2
HIERARCH ESO ISS PBL13 START 124.637
HIERARCH ESO ISS PBL13 END 124.524
HIERARCH ESO ISS PBLA13 START 99.0
HIERARCH ESO ISS PBLA13 END 99.1
HIERARCH ESO ISS PBL14 START 124.393
HIERARCH ESO ISS PBL14 END 124.295
HIERARCH ESO ISS PBLA14 START 76.593
HIERARCH ESO ISS PBLA14 END 76.656
HIERARCH ESO ISS PBL23 START 57.146
HIERARCH ESO ISS PBL23 END 57.114
HIERARCH ESO ISS PBLA23 START 60.5
HIERARCH ESO ISS PBLA23 END 60.5
HIERARCH ESO ISS PBL24 START 90.205
HIERARCH ESO ISS PBL24 END 90.192
HIERARCH ESO ISS PBLA24 START 31.878
HIERARCH ESO ISS PBLA24 END 31.938
HIERARCH ESO ISS PBL34 START 48.479
HIERARCH ESO ISS PBL34 END 48.478
HIERARCH ESO ISS PBLA34 START 357.534
HIERARCH ESO ISS PBLA34 END 357.623
HIERARCH ESO ISS AMBI TAU0 START 0.008322
HIERARCH ESO ISS AMBI TAU0 END 0.008322
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45