Exposure
ID
PIONI.2025-07-21T06:50:40.358_1
Header ID
PIONI.2025-07-21T06:50:40.358
Date updated
2025-07-21 06:55:42 UTC+0000
Release date
2025-07-21 06:50:40 UTC+0000
UTC Start
2025-07-21 06:50:40.358
UTC End
2025-07-21 06:51:18.758
MJD Start
60877.2851893338
MJD End
60877.28563377824
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008145
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.46
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 71.4610 71.3520 144.3000 144.5000
A0-J2 92.1260 91.8490 114.6000 114.8000
A0-K0 93.7930 93.5010 84.3930 84.4440
G1-J2 46.4670 46.3600 64.9000 65.0000
G1-K0 84.8120 84.7470 37.5560 37.5670
J2-K0 48.5190 48.5210 11.4080 11.4910
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 60877.2851893338
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 71.461
HIERARCH ESO ISS PBL12 END 71.352
HIERARCH ESO ISS PBLA12 START 144.3
HIERARCH ESO ISS PBLA12 END 144.5
HIERARCH ESO ISS PBL13 START 92.126
HIERARCH ESO ISS PBL13 END 91.849
HIERARCH ESO ISS PBLA13 START 114.6
HIERARCH ESO ISS PBLA13 END 114.8
HIERARCH ESO ISS PBL14 START 93.793
HIERARCH ESO ISS PBL14 END 93.501
HIERARCH ESO ISS PBLA14 START 84.393
HIERARCH ESO ISS PBLA14 END 84.444
HIERARCH ESO ISS PBL23 START 46.467
HIERARCH ESO ISS PBL23 END 46.36
HIERARCH ESO ISS PBLA23 START 64.9
HIERARCH ESO ISS PBLA23 END 65.0
HIERARCH ESO ISS PBL24 START 84.812
HIERARCH ESO ISS PBL24 END 84.747
HIERARCH ESO ISS PBLA24 START 37.556
HIERARCH ESO ISS PBLA24 END 37.567
HIERARCH ESO ISS PBL34 START 48.519
HIERARCH ESO ISS PBL34 END 48.521
HIERARCH ESO ISS PBLA34 START 11.408
HIERARCH ESO ISS PBLA34 END 11.491
HIERARCH ESO ISS AMBI TAU0 START 0.008145
HIERARCH ESO ISS AMBI TAU0 END 0.008145
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46