Exposure
ID
PIONI.2025-08-03T05:35:17.519_1
Header ID
PIONI.2025-08-03T05:35:17.519
Date updated
2025-08-03 05:41:14 UTC+0000
Release date
2025-08-03 05:35:17 UTC+0000
UTC Start
2025-08-03 05:35:17.519
UTC End
2025-08-03 05:35:55.919
MJD Start
60890.2328416551
MJD End
60890.233286099545
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0039385
Ambient temperature (°C)
10.52
Seeing (arcsec)
0.535
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 74.7650 74.6530 139.0000 139.2000
A0-J2 100.0860 99.8280 110.6000 110.7000
A0-K0 101.9660 101.7070 82.8860 82.9360
G1-J2 49.4470 49.3530 64.6000 64.6000
G1-K0 86.5660 86.5130 37.0550 37.0770
J2-K0 48.4490 48.4510 8.9050 8.9910
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 60890.2328416551
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 74.765
HIERARCH ESO ISS PBL12 END 74.653
HIERARCH ESO ISS PBLA12 START 139.0
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 100.086
HIERARCH ESO ISS PBL13 END 99.828
HIERARCH ESO ISS PBLA13 START 110.6
HIERARCH ESO ISS PBLA13 END 110.7
HIERARCH ESO ISS PBL14 START 101.966
HIERARCH ESO ISS PBL14 END 101.707
HIERARCH ESO ISS PBLA14 START 82.886
HIERARCH ESO ISS PBLA14 END 82.936
HIERARCH ESO ISS PBL23 START 49.447
HIERARCH ESO ISS PBL23 END 49.353
HIERARCH ESO ISS PBLA23 START 64.6
HIERARCH ESO ISS PBLA23 END 64.6
HIERARCH ESO ISS PBL24 START 86.566
HIERARCH ESO ISS PBL24 END 86.513
HIERARCH ESO ISS PBLA24 START 37.055
HIERARCH ESO ISS PBLA24 END 37.077
HIERARCH ESO ISS PBL34 START 48.449
HIERARCH ESO ISS PBL34 END 48.451
HIERARCH ESO ISS PBLA34 START 8.905
HIERARCH ESO ISS PBLA34 END 8.991
HIERARCH ESO ISS AMBI TAU0 START 0.004168
HIERARCH ESO ISS AMBI TAU0 END 0.003709
HIERARCH ESO ISS AMBI TEMP 10.52
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.54