Exposure
ID
PIONI.2025-06-01T00:57:51.361_1
Header ID
PIONI.2025-06-01T00:57:51.361
Date updated
2025-06-01 01:06:10 UTC+0000
Release date
2025-06-01 00:57:51 UTC+0000
UTC Start
2025-06-01 00:57:51.361
UTC End
2025-06-01 00:58:29.761
MJD Start
60827.0401777895
MJD End
60827.040622233944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.010523999999999999
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.28
Observation
ID
67630
Category
calibrator
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
50298
Name
HD85991
RA
148.772848
DEC
-22.33329
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 47.1730 47.1700 175.2000 175.4000
A0-J2 98.6190 98.3730 114.4000 114.6000
A0-J6 158.8420 158.7230 37.9210 37.9430
B5-J2 86.1130 85.8810 85.9000 85.9000
B5-J6 196.1510 196.0770 28.5390 28.5760
J2-J6 166.2730 166.2770 2.6940 2.7970
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60827.0401777895
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD85991
RA 148.772848
DEC -22.33329
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 47.173
HIERARCH ESO ISS PBL12 END 47.17
HIERARCH ESO ISS PBLA12 START 175.2
HIERARCH ESO ISS PBLA12 END 175.4
HIERARCH ESO ISS PBL13 START 98.619
HIERARCH ESO ISS PBL13 END 98.373
HIERARCH ESO ISS PBLA13 START 114.4
HIERARCH ESO ISS PBLA13 END 114.6
HIERARCH ESO ISS PBL14 START 158.842
HIERARCH ESO ISS PBL14 END 158.723
HIERARCH ESO ISS PBLA14 START 37.921
HIERARCH ESO ISS PBLA14 END 37.943
HIERARCH ESO ISS PBL23 START 86.113
HIERARCH ESO ISS PBL23 END 85.881
HIERARCH ESO ISS PBLA23 START 85.9
HIERARCH ESO ISS PBLA23 END 85.9
HIERARCH ESO ISS PBL24 START 196.151
HIERARCH ESO ISS PBL24 END 196.077
HIERARCH ESO ISS PBLA24 START 28.539
HIERARCH ESO ISS PBLA24 END 28.576
HIERARCH ESO ISS PBL34 START 166.273
HIERARCH ESO ISS PBL34 END 166.277
HIERARCH ESO ISS PBLA34 START 2.694
HIERARCH ESO ISS PBLA34 END 2.797
HIERARCH ESO ISS AMBI TAU0 START 0.01176
HIERARCH ESO ISS AMBI TAU0 END 0.009288
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.28