Exposure
ID
PIONI.2025-06-02T04:16:31.178_1
Header ID
PIONI.2025-06-02T04:16:31.178
Date updated
2025-06-02 04:26:54 UTC+0000
Release date
2025-06-02 04:16:31 UTC+0000
UTC Start
2025-06-02 04:16:31.178
UTC End
2025-06-02 04:17:09.578
MJD Start
60828.1781386314
MJD End
60828.178583075845
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0038634999999999997
Ambient temperature (°C)
11.01
Seeing (arcsec)
0.94
Observation
ID
67691
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
50343
Name
HD174423
RA
282.781664
DEC
-19.61614
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.7470 46.7750 141.3000 141.3000
A0-J2 104.7160 104.9660 78.5000 78.6000
A0-J6 163.8730 163.8900 6.5380 6.6580
B5-J2 93.1010 93.2660 52.0000 52.2000
B5-J6 199.5610 199.5550 356.9610 357.0600
J2-J6 164.9560 165.0100 329.4060 329.4420
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 60828.1781386314
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781664
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 46.747
HIERARCH ESO ISS PBL12 END 46.775
HIERARCH ESO ISS PBLA12 START 141.3
HIERARCH ESO ISS PBLA12 END 141.3
HIERARCH ESO ISS PBL13 START 104.716
HIERARCH ESO ISS PBL13 END 104.966
HIERARCH ESO ISS PBLA13 START 78.5
HIERARCH ESO ISS PBLA13 END 78.6
HIERARCH ESO ISS PBL14 START 163.873
HIERARCH ESO ISS PBL14 END 163.89
HIERARCH ESO ISS PBLA14 START 6.538
HIERARCH ESO ISS PBLA14 END 6.658
HIERARCH ESO ISS PBL23 START 93.101
HIERARCH ESO ISS PBL23 END 93.266
HIERARCH ESO ISS PBLA23 START 52.0
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 199.561
HIERARCH ESO ISS PBL24 END 199.555
HIERARCH ESO ISS PBLA24 START 356.961
HIERARCH ESO ISS PBLA24 END 357.06
HIERARCH ESO ISS PBL34 START 164.956
HIERARCH ESO ISS PBL34 END 165.01
HIERARCH ESO ISS PBLA34 START 329.406
HIERARCH ESO ISS PBLA34 END 329.442
HIERARCH ESO ISS AMBI TAU0 START 0.003922
HIERARCH ESO ISS AMBI TAU0 END 0.003805
HIERARCH ESO ISS AMBI TEMP 11.01
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.94