Exposure
ID
PIONI.2025-06-16T08:52:03.346_1
Header ID
PIONI.2025-06-16T08:52:03.346
Date updated
2025-06-16 09:00:52 UTC+0000
Release date
2025-06-16 08:52:03 UTC+0000
UTC Start
2025-06-16 08:52:03.346
UTC End
2025-06-16 08:52:41.746
MJD Start
60842.3694831659
MJD End
60842.36992761034
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002068
Ambient temperature (°C)
6.71
Seeing (arcsec)
1.31
Observation
ID
68123
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
50634
Name
HD174423
RA
282.781074
DEC
-19.61614
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 73.6610 73.5480 140.7000 140.9000
A0-J2 97.5170 97.2520 111.9000 112.0000
A0-K0 99.3700 99.1000 83.3830 83.4330
G1-J2 48.5050 48.4070 64.7000 64.8000
G1-K0 86.0230 85.9650 37.2540 37.2720
J2-K0 48.4720 48.4740 9.7450 9.8300
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 60842.3694831659
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781074
DEC -19.61614
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 73.661
HIERARCH ESO ISS PBL12 END 73.548
HIERARCH ESO ISS PBLA12 START 140.7
HIERARCH ESO ISS PBLA12 END 140.9
HIERARCH ESO ISS PBL13 START 97.517
HIERARCH ESO ISS PBL13 END 97.252
HIERARCH ESO ISS PBLA13 START 111.9
HIERARCH ESO ISS PBLA13 END 112.0
HIERARCH ESO ISS PBL14 START 99.37
HIERARCH ESO ISS PBL14 END 99.1
HIERARCH ESO ISS PBLA14 START 83.383
HIERARCH ESO ISS PBLA14 END 83.433
HIERARCH ESO ISS PBL23 START 48.505
HIERARCH ESO ISS PBL23 END 48.407
HIERARCH ESO ISS PBLA23 START 64.7
HIERARCH ESO ISS PBLA23 END 64.8
HIERARCH ESO ISS PBL24 START 86.023
HIERARCH ESO ISS PBL24 END 85.965
HIERARCH ESO ISS PBLA24 START 37.254
HIERARCH ESO ISS PBLA24 END 37.272
HIERARCH ESO ISS PBL34 START 48.472
HIERARCH ESO ISS PBL34 END 48.474
HIERARCH ESO ISS PBLA34 START 9.745
HIERARCH ESO ISS PBLA34 END 9.83
HIERARCH ESO ISS AMBI TAU0 START 0.002068
HIERARCH ESO ISS AMBI TAU0 END 0.002068
HIERARCH ESO ISS AMBI TEMP 6.71
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.31