Exposure
ID
PIONI.2025-08-23T05:04:26.557_1
Header ID
PIONI.2025-08-23T05:04:26.557
Date updated
2025-08-23 05:10:55 UTC+0000
Release date
2025-08-23 05:04:26 UTC+0000
UTC Start
2025-08-23 05:04:26.556
UTC End
2025-08-23 05:05:04.956
MJD Start
60910.2114184764
MJD End
60910.21186292084
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002656
Ambient temperature (°C)
2.62
Seeing (arcsec)
0.99
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 46.4480 46.4490 181.2000 181.3000
A0-J2 83.9590 83.6700 119.3000 119.5000
A0-J6 155.2620 155.1200 37.7570 37.7580
B5-J2 74.3450 74.0630 85.9000 85.9000
B5-J6 194.5360 194.4460 29.5730 29.5950
J2-J6 165.3110 165.3250 7.5930 7.6960
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 60910.2114184764
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 46.448
HIERARCH ESO ISS PBL12 END 46.449
HIERARCH ESO ISS PBLA12 START 181.2
HIERARCH ESO ISS PBLA12 END 181.3
HIERARCH ESO ISS PBL13 START 83.959
HIERARCH ESO ISS PBL13 END 83.67
HIERARCH ESO ISS PBLA13 START 119.3
HIERARCH ESO ISS PBLA13 END 119.5
HIERARCH ESO ISS PBL14 START 155.262
HIERARCH ESO ISS PBL14 END 155.12
HIERARCH ESO ISS PBLA14 START 37.757
HIERARCH ESO ISS PBLA14 END 37.758
HIERARCH ESO ISS PBL23 START 74.345
HIERARCH ESO ISS PBL23 END 74.063
HIERARCH ESO ISS PBLA23 START 85.9
HIERARCH ESO ISS PBLA23 END 85.9
HIERARCH ESO ISS PBL24 START 194.536
HIERARCH ESO ISS PBL24 END 194.446
HIERARCH ESO ISS PBLA24 START 29.573
HIERARCH ESO ISS PBLA24 END 29.595
HIERARCH ESO ISS PBL34 START 165.311
HIERARCH ESO ISS PBL34 END 165.325
HIERARCH ESO ISS PBLA34 START 7.593
HIERARCH ESO ISS PBLA34 END 7.696
HIERARCH ESO ISS AMBI TAU0 START 0.002656
HIERARCH ESO ISS AMBI TAU0 END 0.002656
HIERARCH ESO ISS AMBI TEMP 2.62
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.99