Exposure
ID
PIONI.2025-08-03T05:38:39.015_1
Header ID
PIONI.2025-08-03T05:38:39.015
Date updated
2025-08-03 05:46:03 UTC+0000
Release date
2025-08-03 05:38:39 UTC+0000
UTC Start
2025-08-03 05:38:39.015
UTC End
2025-08-03 05:39:17.415
MJD Start
60890.2351737884
MJD End
60890.235618232844
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0032979999999999997
Ambient temperature (°C)
10.5
Seeing (arcsec)
0.5800000000000001
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 74.3040 74.1920 139.7000 139.9000
A0-J2 99.0230 98.7620 111.1000 111.3000
A0-K0 100.8970 100.6330 83.0930 83.1430
G1-J2 49.0590 48.9640 64.7000 64.7000
G1-K0 86.3440 86.2890 37.1420 37.1620
J2-K0 48.4580 48.4600 9.2560 9.3420
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 60890.2351737884
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 74.304
HIERARCH ESO ISS PBL12 END 74.192
HIERARCH ESO ISS PBLA12 START 139.7
HIERARCH ESO ISS PBLA12 END 139.9
HIERARCH ESO ISS PBL13 START 99.023
HIERARCH ESO ISS PBL13 END 98.762
HIERARCH ESO ISS PBLA13 START 111.1
HIERARCH ESO ISS PBLA13 END 111.3
HIERARCH ESO ISS PBL14 START 100.897
HIERARCH ESO ISS PBL14 END 100.633
HIERARCH ESO ISS PBLA14 START 83.093
HIERARCH ESO ISS PBLA14 END 83.143
HIERARCH ESO ISS PBL23 START 49.059
HIERARCH ESO ISS PBL23 END 48.964
HIERARCH ESO ISS PBLA23 START 64.7
HIERARCH ESO ISS PBLA23 END 64.7
HIERARCH ESO ISS PBL24 START 86.344
HIERARCH ESO ISS PBL24 END 86.289
HIERARCH ESO ISS PBLA24 START 37.142
HIERARCH ESO ISS PBLA24 END 37.162
HIERARCH ESO ISS PBL34 START 48.458
HIERARCH ESO ISS PBL34 END 48.46
HIERARCH ESO ISS PBLA34 START 9.256
HIERARCH ESO ISS PBLA34 END 9.342
HIERARCH ESO ISS AMBI TAU0 START 0.002977
HIERARCH ESO ISS AMBI TAU0 END 0.003619
HIERARCH ESO ISS AMBI TEMP 10.5
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.56