Exposure
ID
PIONI.2025-07-21T06:53:10.748_1
Header ID
PIONI.2025-07-21T06:53:10.748
Date updated
2025-07-21 07:00:46 UTC+0000
Release date
2025-07-21 06:53:10 UTC+0000
UTC Start
2025-07-21 06:53:10.748
UTC End
2025-07-21 06:53:49.148
MJD Start
60877.2869299506
MJD End
60877.28737439504
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0088815
Ambient temperature (°C)
14.76
Seeing (arcsec)
0.425
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 71.1260 71.0180 144.9000 145.1000
A0-J2 91.2700 90.9890 115.1000 115.2000
A0-K0 92.8890 92.5920 84.5510 84.6030
G1-J2 46.1360 46.0260 65.0000 65.0000
G1-K0 84.6110 84.5440 37.5900 37.6010
J2-K0 48.5260 48.5290 11.6620 11.7440
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 60877.2869299506
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 71.126
HIERARCH ESO ISS PBL12 END 71.018
HIERARCH ESO ISS PBLA12 START 144.9
HIERARCH ESO ISS PBLA12 END 145.1
HIERARCH ESO ISS PBL13 START 91.27
HIERARCH ESO ISS PBL13 END 90.989
HIERARCH ESO ISS PBLA13 START 115.1
HIERARCH ESO ISS PBLA13 END 115.2
HIERARCH ESO ISS PBL14 START 92.889
HIERARCH ESO ISS PBL14 END 92.592
HIERARCH ESO ISS PBLA14 START 84.551
HIERARCH ESO ISS PBLA14 END 84.603
HIERARCH ESO ISS PBL23 START 46.136
HIERARCH ESO ISS PBL23 END 46.026
HIERARCH ESO ISS PBLA23 START 65.0
HIERARCH ESO ISS PBLA23 END 65.0
HIERARCH ESO ISS PBL24 START 84.611
HIERARCH ESO ISS PBL24 END 84.544
HIERARCH ESO ISS PBLA24 START 37.59
HIERARCH ESO ISS PBLA24 END 37.601
HIERARCH ESO ISS PBL34 START 48.526
HIERARCH ESO ISS PBL34 END 48.529
HIERARCH ESO ISS PBLA34 START 11.662
HIERARCH ESO ISS PBLA34 END 11.744
HIERARCH ESO ISS AMBI TAU0 START 0.009255
HIERARCH ESO ISS AMBI TAU0 END 0.008508
HIERARCH ESO ISS AMBI TEMP 14.76
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.44