Exposure
ID
PIONI.2025-07-23T04:58:56.148_1
Header ID
PIONI.2025-07-23T04:58:56.148
Date updated
2025-07-23 05:05:54 UTC+0000
Release date
2025-07-23 04:58:56 UTC+0000
UTC Start
2025-07-23 04:58:56.147
UTC End
2025-07-23 04:59:34.547
MJD Start
60879.2075942978
MJD End
60879.20803874224
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003516
Ambient temperature (°C)
13.56
Seeing (arcsec)
0.49
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 84.8630 84.7760 125.7000 125.8000
A0-J2 120.5330 120.3780 100.9000 101.0000
A0-K0 121.2580 121.1220 77.8180 77.8730
G1-J2 56.2220 56.1770 61.6000 61.6000
G1-K0 89.9870 89.9690 33.4440 33.4970
J2-K0 48.3160 48.3160 0.1830 0.2750
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 60879.2075942978
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 84.863
HIERARCH ESO ISS PBL12 END 84.776
HIERARCH ESO ISS PBLA12 START 125.7
HIERARCH ESO ISS PBLA12 END 125.8
HIERARCH ESO ISS PBL13 START 120.533
HIERARCH ESO ISS PBL13 END 120.378
HIERARCH ESO ISS PBLA13 START 100.9
HIERARCH ESO ISS PBLA13 END 101.0
HIERARCH ESO ISS PBL14 START 121.258
HIERARCH ESO ISS PBL14 END 121.122
HIERARCH ESO ISS PBLA14 START 77.818
HIERARCH ESO ISS PBLA14 END 77.873
HIERARCH ESO ISS PBL23 START 56.222
HIERARCH ESO ISS PBL23 END 56.177
HIERARCH ESO ISS PBLA23 START 61.6
HIERARCH ESO ISS PBLA23 END 61.6
HIERARCH ESO ISS PBL24 START 89.987
HIERARCH ESO ISS PBL24 END 89.969
HIERARCH ESO ISS PBLA24 START 33.444
HIERARCH ESO ISS PBLA24 END 33.497
HIERARCH ESO ISS PBL34 START 48.316
HIERARCH ESO ISS PBL34 END 48.316
HIERARCH ESO ISS PBLA34 START 0.183
HIERARCH ESO ISS PBLA34 END 0.275
HIERARCH ESO ISS AMBI TAU0 START 0.003516
HIERARCH ESO ISS AMBI TAU0 END 0.003516
HIERARCH ESO ISS AMBI TEMP 13.56
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49