Exposure
ID
PIONI.2025-08-23T05:05:17.017_1
Header ID
PIONI.2025-08-23T05:05:17.017
Date updated
2025-08-23 05:15:35 UTC+0000
Release date
2025-08-23 05:05:17 UTC+0000
UTC Start
2025-08-23 05:05:17.017
UTC End
2025-08-23 05:05:55.417
MJD Start
60910.2120025069
MJD End
60910.212446951344
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002869
Ambient temperature (°C)
2.62
Seeing (arcsec)
0.96
Observation
ID
70078
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
51991
Name
HD174423
RA
282.781664
DEC
-19.61615
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 46.4490 46.4500 181.3000 181.4000
A0-J2 83.6590 83.3760 119.5000 119.7000
A0-J6 155.1150 154.9750 37.7580 37.7590
B5-J2 74.0520 73.7750 85.9000 86.0000
B5-J6 194.4420 194.3540 29.5960 29.6170
J2-J6 165.3250 165.3380 7.7000 7.8010
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 60910.2120025069
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD174423
RA 282.781664
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 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 46.449
HIERARCH ESO ISS PBL12 END 46.45
HIERARCH ESO ISS PBLA12 START 181.3
HIERARCH ESO ISS PBLA12 END 181.4
HIERARCH ESO ISS PBL13 START 83.659
HIERARCH ESO ISS PBL13 END 83.376
HIERARCH ESO ISS PBLA13 START 119.5
HIERARCH ESO ISS PBLA13 END 119.7
HIERARCH ESO ISS PBL14 START 155.115
HIERARCH ESO ISS PBL14 END 154.975
HIERARCH ESO ISS PBLA14 START 37.758
HIERARCH ESO ISS PBLA14 END 37.759
HIERARCH ESO ISS PBL23 START 74.052
HIERARCH ESO ISS PBL23 END 73.775
HIERARCH ESO ISS PBLA23 START 85.9
HIERARCH ESO ISS PBLA23 END 86.0
HIERARCH ESO ISS PBL24 START 194.442
HIERARCH ESO ISS PBL24 END 194.354
HIERARCH ESO ISS PBLA24 START 29.596
HIERARCH ESO ISS PBLA24 END 29.617
HIERARCH ESO ISS PBL34 START 165.325
HIERARCH ESO ISS PBL34 END 165.338
HIERARCH ESO ISS PBLA34 START 7.7
HIERARCH ESO ISS PBLA34 END 7.801
HIERARCH ESO ISS AMBI TAU0 START 0.002656
HIERARCH ESO ISS AMBI TAU0 END 0.003082
HIERARCH ESO ISS AMBI TEMP 2.62
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.93