Exposure
ID
PIONI.2025-06-01T01:13:12.046_1
Header ID
PIONI.2025-06-01T01:13:12.046
Date updated
2025-06-01 01:21:54 UTC+0000
Release date
2026-06-01 01:21:54 UTC+0000
UTC Start
2025-06-01 01:13:12.046
UTC End
2025-06-01 01:13:50.446
MJD Start
60827.050833866
MJD End
60827.05127831044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0088425
Ambient temperature (°C)
14.59
Seeing (arcsec)
0.315
Observation
ID
67629
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
50297
Name
HD87810
RA
151.78148
DEC
-21.25568
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.9280 46.9250 175.7000 175.9000
A0-J2 96.9330 96.6730 114.2000 114.3000
A0-J6 159.2300 159.1100 37.7600 37.7790
B5-J2 85.2520 85.0110 85.2000 85.3000
B5-J6 196.6210 196.5480 28.5660 28.6020
J2-J6 165.8170 165.8220 3.1300 3.2350
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 60827.050833866
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.78148
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.928
HIERARCH ESO ISS PBL12 END 46.925
HIERARCH ESO ISS PBLA12 START 175.7
HIERARCH ESO ISS PBLA12 END 175.9
HIERARCH ESO ISS PBL13 START 96.933
HIERARCH ESO ISS PBL13 END 96.673
HIERARCH ESO ISS PBLA13 START 114.2
HIERARCH ESO ISS PBLA13 END 114.3
HIERARCH ESO ISS PBL14 START 159.23
HIERARCH ESO ISS PBL14 END 159.11
HIERARCH ESO ISS PBLA14 START 37.76
HIERARCH ESO ISS PBLA14 END 37.779
HIERARCH ESO ISS PBL23 START 85.252
HIERARCH ESO ISS PBL23 END 85.011
HIERARCH ESO ISS PBLA23 START 85.2
HIERARCH ESO ISS PBLA23 END 85.3
HIERARCH ESO ISS PBL24 START 196.621
HIERARCH ESO ISS PBL24 END 196.548
HIERARCH ESO ISS PBLA24 START 28.566
HIERARCH ESO ISS PBLA24 END 28.602
HIERARCH ESO ISS PBL34 START 165.817
HIERARCH ESO ISS PBL34 END 165.822
HIERARCH ESO ISS PBLA34 START 3.13
HIERARCH ESO ISS PBLA34 END 3.235
HIERARCH ESO ISS AMBI TAU0 START 0.007598
HIERARCH ESO ISS AMBI TAU0 END 0.010087
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.29