Exposure
ID
PIONI.2025-07-21T06:49:50.088_1
Header ID
PIONI.2025-07-21T06:49:50.088
Date updated
2025-07-21 06:55:42 UTC+0000
Release date
2025-07-21 06:49:50 UTC+0000
UTC Start
2025-07-21 06:49:50.088
UTC End
2025-07-21 06:50:28.488
MJD Start
60877.284607505
MJD End
60877.28505194944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008145
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.46
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 71.5720 71.4630 144.1000 144.3000
A0-J2 92.4080 92.1320 114.5000 114.6000
A0-K0 94.0890 93.7990 84.3410 84.3920
G1-J2 46.5760 46.4700 64.9000 64.9000
G1-K0 84.8770 84.8130 37.5440 37.5550
J2-K0 48.5170 48.5190 11.3250 11.4070
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 60877.284607505
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 71.572
HIERARCH ESO ISS PBL12 END 71.463
HIERARCH ESO ISS PBLA12 START 144.1
HIERARCH ESO ISS PBLA12 END 144.3
HIERARCH ESO ISS PBL13 START 92.408
HIERARCH ESO ISS PBL13 END 92.132
HIERARCH ESO ISS PBLA13 START 114.5
HIERARCH ESO ISS PBLA13 END 114.6
HIERARCH ESO ISS PBL14 START 94.089
HIERARCH ESO ISS PBL14 END 93.799
HIERARCH ESO ISS PBLA14 START 84.341
HIERARCH ESO ISS PBLA14 END 84.392
HIERARCH ESO ISS PBL23 START 46.576
HIERARCH ESO ISS PBL23 END 46.47
HIERARCH ESO ISS PBLA23 START 64.9
HIERARCH ESO ISS PBLA23 END 64.9
HIERARCH ESO ISS PBL24 START 84.877
HIERARCH ESO ISS PBL24 END 84.813
HIERARCH ESO ISS PBLA24 START 37.544
HIERARCH ESO ISS PBLA24 END 37.555
HIERARCH ESO ISS PBL34 START 48.517
HIERARCH ESO ISS PBL34 END 48.519
HIERARCH ESO ISS PBLA34 START 11.325
HIERARCH ESO ISS PBLA34 END 11.407
HIERARCH ESO ISS AMBI TAU0 START 0.008145
HIERARCH ESO ISS AMBI TAU0 END 0.008145
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46