Exposure
ID
PIONI.2025-08-23T05:06:07.447_1
Header ID
PIONI.2025-08-23T05:06:07.447
Date updated
2025-08-23 05:15:35 UTC+0000
Release date
2025-08-23 05:06:07 UTC+0000
UTC Start
2025-08-23 05:06:07.447
UTC End
2025-08-23 05:06:45.847
MJD Start
60910.2125861933
MJD End
60910.213030637744
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003082
Ambient temperature (°C)
2.61
Seeing (arcsec)
0.9450000000000001
Observation
ID
70078
Category
calibrator
Program ID
115.28F2.003
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
51991
Name
HD174423
RA
282.781664
DEC
-19.61615
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 46.4500 46.4510 181.4000 181.6000
A0-J2 83.3640 83.0760 119.7000 119.9000
A0-J6 154.9700 154.8270 37.7590 37.7600
B5-J2 73.7630 73.4800 86.0000 86.1000
B5-J6 194.3500 194.2590 29.6180 29.6390
J2-J6 165.3390 165.3530 7.8050 7.9080
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60910.2125861933
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781664
DEC -19.61615
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 46.45
HIERARCH ESO ISS PBL12 END 46.451
HIERARCH ESO ISS PBLA12 START 181.4
HIERARCH ESO ISS PBLA12 END 181.6
HIERARCH ESO ISS PBL13 START 83.364
HIERARCH ESO ISS PBL13 END 83.076
HIERARCH ESO ISS PBLA13 START 119.7
HIERARCH ESO ISS PBLA13 END 119.9
HIERARCH ESO ISS PBL14 START 154.97
HIERARCH ESO ISS PBL14 END 154.827
HIERARCH ESO ISS PBLA14 START 37.759
HIERARCH ESO ISS PBLA14 END 37.76
HIERARCH ESO ISS PBL23 START 73.763
HIERARCH ESO ISS PBL23 END 73.48
HIERARCH ESO ISS PBLA23 START 86.0
HIERARCH ESO ISS PBLA23 END 86.1
HIERARCH ESO ISS PBL24 START 194.35
HIERARCH ESO ISS PBL24 END 194.259
HIERARCH ESO ISS PBLA24 START 29.618
HIERARCH ESO ISS PBLA24 END 29.639
HIERARCH ESO ISS PBL34 START 165.339
HIERARCH ESO ISS PBL34 END 165.353
HIERARCH ESO ISS PBLA34 START 7.805
HIERARCH ESO ISS PBLA34 END 7.908
HIERARCH ESO ISS AMBI TAU0 START 0.003082
HIERARCH ESO ISS AMBI TAU0 END 0.003082
HIERARCH ESO ISS AMBI TEMP 2.61
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.96