Exposure
ID
PIONI.2025-07-22T04:50:10.062_1
Header ID
PIONI.2025-07-22T04:50:10.062
Date updated
2025-07-22 05:35:53 UTC+0000
Release date
2025-07-22 04:50:10 UTC+0000
UTC Start
2025-07-22 04:50:10.062
UTC End
2025-07-22 04:50:48.462
MJD Start
60878.2015053476
MJD End
60878.20194979204
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008514
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.52
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 86.1360 86.0580 124.0000 124.1000
A0-J2 122.7740 122.6400 99.6000 99.7000
A0-K0 123.1900 123.0750 76.9520 77.0100
G1-J2 56.8580 56.8200 60.9000 60.9000
G1-K0 90.2200 90.2080 32.6050 32.6620
J2-K0 48.3190 48.3180 358.7620 358.8550
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 60878.2015053476
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 86.136
HIERARCH ESO ISS PBL12 END 86.058
HIERARCH ESO ISS PBLA12 START 124.0
HIERARCH ESO ISS PBLA12 END 124.1
HIERARCH ESO ISS PBL13 START 122.774
HIERARCH ESO ISS PBL13 END 122.64
HIERARCH ESO ISS PBLA13 START 99.6
HIERARCH ESO ISS PBLA13 END 99.7
HIERARCH ESO ISS PBL14 START 123.19
HIERARCH ESO ISS PBL14 END 123.075
HIERARCH ESO ISS PBLA14 START 76.952
HIERARCH ESO ISS PBLA14 END 77.01
HIERARCH ESO ISS PBL23 START 56.858
HIERARCH ESO ISS PBL23 END 56.82
HIERARCH ESO ISS PBLA23 START 60.9
HIERARCH ESO ISS PBLA23 END 60.9
HIERARCH ESO ISS PBL24 START 90.22
HIERARCH ESO ISS PBL24 END 90.208
HIERARCH ESO ISS PBLA24 START 32.605
HIERARCH ESO ISS PBLA24 END 32.662
HIERARCH ESO ISS PBL34 START 48.319
HIERARCH ESO ISS PBL34 END 48.318
HIERARCH ESO ISS PBLA34 START 358.762
HIERARCH ESO ISS PBLA34 END 358.855
HIERARCH ESO ISS AMBI TAU0 START 0.008514
HIERARCH ESO ISS AMBI TAU0 END 0.008514
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52