Exposure
ID
PIONI.2025-08-03T05:36:08.069_1
Header ID
PIONI.2025-08-03T05:36:08.069
Date updated
2025-08-03 05:41:14 UTC+0000
Release date
2025-08-03 05:36:08 UTC+0000
UTC Start
2025-08-03 05:36:08.069
UTC End
2025-08-03 05:36:46.469
MJD Start
60890.2334267274
MJD End
60890.23387117184
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003709
Ambient temperature (°C)
10.5
Seeing (arcsec)
0.565
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 74.6510 74.5380 139.2000 139.4000
A0-J2 99.8230 99.5640 110.7000 110.9000
A0-K0 101.7020 101.4420 82.9370 82.9880
G1-J2 49.3510 49.2570 64.6000 64.6000
G1-K0 86.5120 86.4580 37.0770 37.0980
J2-K0 48.4510 48.4530 8.9920 9.0780
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 60890.2334267274
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 74.651
HIERARCH ESO ISS PBL12 END 74.538
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.4
HIERARCH ESO ISS PBL13 START 99.823
HIERARCH ESO ISS PBL13 END 99.564
HIERARCH ESO ISS PBLA13 START 110.7
HIERARCH ESO ISS PBLA13 END 110.9
HIERARCH ESO ISS PBL14 START 101.702
HIERARCH ESO ISS PBL14 END 101.442
HIERARCH ESO ISS PBLA14 START 82.937
HIERARCH ESO ISS PBLA14 END 82.988
HIERARCH ESO ISS PBL23 START 49.351
HIERARCH ESO ISS PBL23 END 49.257
HIERARCH ESO ISS PBLA23 START 64.6
HIERARCH ESO ISS PBLA23 END 64.6
HIERARCH ESO ISS PBL24 START 86.512
HIERARCH ESO ISS PBL24 END 86.458
HIERARCH ESO ISS PBLA24 START 37.077
HIERARCH ESO ISS PBLA24 END 37.098
HIERARCH ESO ISS PBL34 START 48.451
HIERARCH ESO ISS PBL34 END 48.453
HIERARCH ESO ISS PBLA34 START 8.992
HIERARCH ESO ISS PBLA34 END 9.078
HIERARCH ESO ISS AMBI TAU0 START 0.003709
HIERARCH ESO ISS AMBI TAU0 END 0.003709
HIERARCH ESO ISS AMBI TEMP 10.5
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.59