Exposure
ID
PIONI.2025-08-23T05:06:57.959_1
Header ID
PIONI.2025-08-23T05:06:57.959
Date updated
2025-08-23 05:15:35 UTC+0000
Release date
2025-08-23 05:06:57 UTC+0000
UTC Start
2025-08-23 05:06:57.959
UTC End
2025-08-23 05:07:36.359
MJD Start
60910.2131708232
MJD End
60910.21361526764
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003082
Ambient temperature (°C)
2.63
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 46.4510 46.4530 181.6000 181.7000
A0-J2 83.0640 82.7810 119.9000 120.0000
A0-J6 154.8210 154.6800 37.7600 37.7600
B5-J2 73.4690 73.1900 86.1000 86.1000
B5-J6 194.2550 194.1650 29.6400 29.6610
J2-J6 165.3530 165.3670 7.9120 8.0130
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 60910.2131708232
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 46.451
HIERARCH ESO ISS PBL12 END 46.453
HIERARCH ESO ISS PBLA12 START 181.6
HIERARCH ESO ISS PBLA12 END 181.7
HIERARCH ESO ISS PBL13 START 83.064
HIERARCH ESO ISS PBL13 END 82.781
HIERARCH ESO ISS PBLA13 START 119.9
HIERARCH ESO ISS PBLA13 END 120.0
HIERARCH ESO ISS PBL14 START 154.821
HIERARCH ESO ISS PBL14 END 154.68
HIERARCH ESO ISS PBLA14 START 37.76
HIERARCH ESO ISS PBLA14 END 37.76
HIERARCH ESO ISS PBL23 START 73.469
HIERARCH ESO ISS PBL23 END 73.19
HIERARCH ESO ISS PBLA23 START 86.1
HIERARCH ESO ISS PBLA23 END 86.1
HIERARCH ESO ISS PBL24 START 194.255
HIERARCH ESO ISS PBL24 END 194.165
HIERARCH ESO ISS PBLA24 START 29.64
HIERARCH ESO ISS PBLA24 END 29.661
HIERARCH ESO ISS PBL34 START 165.353
HIERARCH ESO ISS PBL34 END 165.367
HIERARCH ESO ISS PBLA34 START 7.912
HIERARCH ESO ISS PBLA34 END 8.013
HIERARCH ESO ISS AMBI TAU0 START 0.003082
HIERARCH ESO ISS AMBI TAU0 END 0.003082
HIERARCH ESO ISS AMBI TEMP 2.63
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.96