Exposure
ID
PIONI.2025-06-01T23:46:38.721_1
Header ID
PIONI.2025-06-01T23:46:38.721
Date updated
2025-06-01 23:56:19 UTC+0000
Release date
2026-06-01 23:56:19 UTC+0000
UTC Start
2025-06-01 23:46:38.721
UTC End
2025-06-01 23:47:17.121
MJD Start
60827.9907259396
MJD End
60827.99117038404
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007788
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.5
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 47.6260 47.6170 163.5000 163.6000
A0-J2 118.8720 118.7110 102.7000 102.8000
A0-J6 167.6830 167.6350 34.2160 34.2650
B5-J2 104.3140 104.1830 79.2000 79.2000
B5-J6 201.2460 201.2250 23.6610 23.7200
J2-J6 166.1490 166.1390 352.4960 352.5970
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 60827.9907259396
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 47.626
HIERARCH ESO ISS PBL12 END 47.617
HIERARCH ESO ISS PBLA12 START 163.5
HIERARCH ESO ISS PBLA12 END 163.6
HIERARCH ESO ISS PBL13 START 118.872
HIERARCH ESO ISS PBL13 END 118.711
HIERARCH ESO ISS PBLA13 START 102.7
HIERARCH ESO ISS PBLA13 END 102.8
HIERARCH ESO ISS PBL14 START 167.683
HIERARCH ESO ISS PBL14 END 167.635
HIERARCH ESO ISS PBLA14 START 34.216
HIERARCH ESO ISS PBLA14 END 34.265
HIERARCH ESO ISS PBL23 START 104.314
HIERARCH ESO ISS PBL23 END 104.183
HIERARCH ESO ISS PBLA23 START 79.2
HIERARCH ESO ISS PBLA23 END 79.2
HIERARCH ESO ISS PBL24 START 201.246
HIERARCH ESO ISS PBL24 END 201.225
HIERARCH ESO ISS PBLA24 START 23.661
HIERARCH ESO ISS PBLA24 END 23.72
HIERARCH ESO ISS PBL34 START 166.149
HIERARCH ESO ISS PBL34 END 166.139
HIERARCH ESO ISS PBLA34 START 352.496
HIERARCH ESO ISS PBLA34 END 352.597
HIERARCH ESO ISS AMBI TAU0 START 0.007788
HIERARCH ESO ISS AMBI TAU0 END 0.007788
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5