Exposure
ID
PIONI.2025-06-01T23:44:07.751_1
Header ID
PIONI.2025-06-01T23:44:07.751
Date updated
2025-06-01 23:51:19 UTC+0000
Release date
2026-06-01 23:51:19 UTC+0000
UTC Start
2025-06-01 23:44:07.751
UTC End
2025-06-01 23:44:46.151
MJD Start
60827.9889786034
MJD End
60827.98942304784
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006834
Ambient temperature (°C)
12.29
Seeing (arcsec)
0.565
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 47.6550 47.6460 163.2000 163.3000
A0-J2 119.3740 119.2160 102.4000 102.5000
A0-J6 167.8300 167.7840 34.0600 34.1100
B5-J2 104.7190 104.5920 79.0000 79.0000
B5-J6 201.3100 201.2900 23.4730 23.5330
J2-J6 166.1830 166.1720 352.1800 352.2810
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 60827.9889786034
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 47.655
HIERARCH ESO ISS PBL12 END 47.646
HIERARCH ESO ISS PBLA12 START 163.2
HIERARCH ESO ISS PBLA12 END 163.3
HIERARCH ESO ISS PBL13 START 119.374
HIERARCH ESO ISS PBL13 END 119.216
HIERARCH ESO ISS PBLA13 START 102.4
HIERARCH ESO ISS PBLA13 END 102.5
HIERARCH ESO ISS PBL14 START 167.83
HIERARCH ESO ISS PBL14 END 167.784
HIERARCH ESO ISS PBLA14 START 34.06
HIERARCH ESO ISS PBLA14 END 34.11
HIERARCH ESO ISS PBL23 START 104.719
HIERARCH ESO ISS PBL23 END 104.592
HIERARCH ESO ISS PBLA23 START 79.0
HIERARCH ESO ISS PBLA23 END 79.0
HIERARCH ESO ISS PBL24 START 201.31
HIERARCH ESO ISS PBL24 END 201.29
HIERARCH ESO ISS PBLA24 START 23.473
HIERARCH ESO ISS PBLA24 END 23.533
HIERARCH ESO ISS PBL34 START 166.183
HIERARCH ESO ISS PBL34 END 166.172
HIERARCH ESO ISS PBLA34 START 352.18
HIERARCH ESO ISS PBLA34 END 352.281
HIERARCH ESO ISS AMBI TAU0 START 0.006834
HIERARCH ESO ISS AMBI TAU0 END 0.006834
HIERARCH ESO ISS AMBI TEMP 12.29
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.6