Exposure
ID
PIONI.2025-07-21T06:52:20.721_1
Header ID
PIONI.2025-07-21T06:52:20.721
Date updated
2025-07-21 07:00:46 UTC+0000
Release date
2025-07-21 06:52:20 UTC+0000
UTC Start
2025-07-21 06:52:20.721
UTC End
2025-07-21 06:52:59.121
MJD Start
60877.2863509431
MJD End
60877.28679538754
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0088805
Ambient temperature (°C)
14.74
Seeing (arcsec)
0.43
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 71.2370 71.1300 144.7000 144.9000
A0-J2 91.5540 91.2790 114.9000 115.1000
A0-K0 93.1900 92.9000 84.4990 84.5490
G1-J2 46.2460 46.1390 65.0000 65.0000
G1-K0 84.6780 84.6130 37.5790 37.5900
J2-K0 48.5240 48.5260 11.5780 11.6590
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 60877.2863509431
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 71.237
HIERARCH ESO ISS PBL12 END 71.13
HIERARCH ESO ISS PBLA12 START 144.7
HIERARCH ESO ISS PBLA12 END 144.9
HIERARCH ESO ISS PBL13 START 91.554
HIERARCH ESO ISS PBL13 END 91.279
HIERARCH ESO ISS PBLA13 START 114.9
HIERARCH ESO ISS PBLA13 END 115.1
HIERARCH ESO ISS PBL14 START 93.19
HIERARCH ESO ISS PBL14 END 92.9
HIERARCH ESO ISS PBLA14 START 84.499
HIERARCH ESO ISS PBLA14 END 84.549
HIERARCH ESO ISS PBL23 START 46.246
HIERARCH ESO ISS PBL23 END 46.139
HIERARCH ESO ISS PBLA23 START 65.0
HIERARCH ESO ISS PBLA23 END 65.0
HIERARCH ESO ISS PBL24 START 84.678
HIERARCH ESO ISS PBL24 END 84.613
HIERARCH ESO ISS PBLA24 START 37.579
HIERARCH ESO ISS PBLA24 END 37.59
HIERARCH ESO ISS PBL34 START 48.524
HIERARCH ESO ISS PBL34 END 48.526
HIERARCH ESO ISS PBLA34 START 11.578
HIERARCH ESO ISS PBLA34 END 11.659
HIERARCH ESO ISS AMBI TAU0 START 0.008506
HIERARCH ESO ISS AMBI TAU0 END 0.009255
HIERARCH ESO ISS AMBI TEMP 14.74
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.41