Exposure
ID
PIONI.2025-08-23T05:03:36.108_1
Header ID
PIONI.2025-08-23T05:03:36.108
Date updated
2025-08-23 05:10:55 UTC+0000
Release date
2025-08-23 05:03:36 UTC+0000
UTC Start
2025-08-23 05:03:36.108
UTC End
2025-08-23 05:04:14.508
MJD Start
60910.21083458
MJD End
60910.21127902444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002656
Ambient temperature (°C)
2.6
Seeing (arcsec)
0.93
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 46.4470 46.4480 181.0000 181.2000
A0-J2 84.2530 83.9710 119.1000 119.3000
A0-J6 155.4060 155.2680 37.7560 37.7570
B5-J2 74.6310 74.3560 85.8000 85.9000
B5-J6 194.6270 194.5400 29.5500 29.5720
J2-J6 165.2980 165.3110 7.4880 7.5890
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 60910.21083458
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 46.447
HIERARCH ESO ISS PBL12 END 46.448
HIERARCH ESO ISS PBLA12 START 181.0
HIERARCH ESO ISS PBLA12 END 181.2
HIERARCH ESO ISS PBL13 START 84.253
HIERARCH ESO ISS PBL13 END 83.971
HIERARCH ESO ISS PBLA13 START 119.1
HIERARCH ESO ISS PBLA13 END 119.3
HIERARCH ESO ISS PBL14 START 155.406
HIERARCH ESO ISS PBL14 END 155.268
HIERARCH ESO ISS PBLA14 START 37.756
HIERARCH ESO ISS PBLA14 END 37.757
HIERARCH ESO ISS PBL23 START 74.631
HIERARCH ESO ISS PBL23 END 74.356
HIERARCH ESO ISS PBLA23 START 85.8
HIERARCH ESO ISS PBLA23 END 85.9
HIERARCH ESO ISS PBL24 START 194.627
HIERARCH ESO ISS PBL24 END 194.54
HIERARCH ESO ISS PBLA24 START 29.55
HIERARCH ESO ISS PBLA24 END 29.572
HIERARCH ESO ISS PBL34 START 165.298
HIERARCH ESO ISS PBL34 END 165.311
HIERARCH ESO ISS PBLA34 START 7.488
HIERARCH ESO ISS PBLA34 END 7.589
HIERARCH ESO ISS AMBI TAU0 START 0.002656
HIERARCH ESO ISS AMBI TAU0 END 0.002656
HIERARCH ESO ISS AMBI TEMP 2.6
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93