Exposure
ID
PIONI.2025-07-21T06:51:30.696_1
Header ID
PIONI.2025-07-21T06:51:30.696
Date updated
2025-07-21 07:00:46 UTC+0000
Release date
2025-07-21 06:51:30 UTC+0000
UTC Start
2025-07-21 06:51:30.696
UTC End
2025-07-21 06:52:09.096
MJD Start
60877.2857719408
MJD End
60877.28621638524
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0083255
Ambient temperature (°C)
14.74
Seeing (arcsec)
0.455
Observation
ID
68860
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
51229
Name
HD174423
RA
282.781074
DEC
-19.61615
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 71.3480 71.2410 144.5000 144.7000
A0-J2 91.8370 91.5650 114.8000 114.9000
A0-K0 93.4890 93.2020 84.4460 84.4960
G1-J2 46.3560 46.2500 65.0000 65.0000
G1-K0 84.7440 84.6800 37.5680 37.5790
J2-K0 48.5220 48.5240 11.4940 11.5750
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 60877.2857719408
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781074
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 71.348
HIERARCH ESO ISS PBL12 END 71.241
HIERARCH ESO ISS PBLA12 START 144.5
HIERARCH ESO ISS PBLA12 END 144.7
HIERARCH ESO ISS PBL13 START 91.837
HIERARCH ESO ISS PBL13 END 91.565
HIERARCH ESO ISS PBLA13 START 114.8
HIERARCH ESO ISS PBLA13 END 114.9
HIERARCH ESO ISS PBL14 START 93.489
HIERARCH ESO ISS PBL14 END 93.202
HIERARCH ESO ISS PBLA14 START 84.446
HIERARCH ESO ISS PBLA14 END 84.496
HIERARCH ESO ISS PBL23 START 46.356
HIERARCH ESO ISS PBL23 END 46.25
HIERARCH ESO ISS PBLA23 START 65.0
HIERARCH ESO ISS PBLA23 END 65.0
HIERARCH ESO ISS PBL24 START 84.744
HIERARCH ESO ISS PBL24 END 84.68
HIERARCH ESO ISS PBLA24 START 37.568
HIERARCH ESO ISS PBLA24 END 37.579
HIERARCH ESO ISS PBL34 START 48.522
HIERARCH ESO ISS PBL34 END 48.524
HIERARCH ESO ISS PBLA34 START 11.494
HIERARCH ESO ISS PBLA34 END 11.575
HIERARCH ESO ISS AMBI TAU0 START 0.008145
HIERARCH ESO ISS AMBI TAU0 END 0.008506
HIERARCH ESO ISS AMBI TEMP 14.74
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.45