Exposure
ID
PIONI.2025-09-26T01:12:48.235_1
Header ID
PIONI.2025-09-26T01:12:48.235
Date updated
2025-09-26 01:15:58 UTC+0000
Release date
2025-09-26 01:12:48 UTC+0000
UTC Start
2025-09-26 01:12:48.235
UTC End
2025-09-26 01:13:26.635
MJD Start
60944.0505582797
MJD End
60944.05100272414
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0059015000000000005
Ambient temperature (°C)
13.2
Seeing (arcsec)
0.545
Observation
ID
70478
Category
calibrator
Program ID
115.28F2.002
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONAK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
52261
Name
HD170785
RA
277.803512
DEC
-0.44419
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 68.0310 67.8510 122.5000 122.6000
A0-J2 104.7250 104.4540 93.5000 93.5000
A0-K0 115.5420 115.3550 71.1070 71.0800
G1-J2 55.9790 55.9300 57.4000 57.3000
G1-K0 90.3640 90.3730 35.0740 35.0870
J2-K0 44.0310 44.0390 6.2330 6.3330
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60944.0505582797
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170785
RA 277.803512
DEC -0.44419
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 68.031
HIERARCH ESO ISS PBL12 END 67.851
HIERARCH ESO ISS PBLA12 START 122.5
HIERARCH ESO ISS PBLA12 END 122.6
HIERARCH ESO ISS PBL13 START 104.725
HIERARCH ESO ISS PBL13 END 104.454
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.5
HIERARCH ESO ISS PBL14 START 115.542
HIERARCH ESO ISS PBL14 END 115.355
HIERARCH ESO ISS PBLA14 START 71.107
HIERARCH ESO ISS PBLA14 END 71.08
HIERARCH ESO ISS PBL23 START 55.979
HIERARCH ESO ISS PBL23 END 55.93
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.3
HIERARCH ESO ISS PBL24 START 90.364
HIERARCH ESO ISS PBL24 END 90.373
HIERARCH ESO ISS PBLA24 START 35.074
HIERARCH ESO ISS PBLA24 END 35.087
HIERARCH ESO ISS PBL34 START 44.031
HIERARCH ESO ISS PBL34 END 44.039
HIERARCH ESO ISS PBLA34 START 6.233
HIERARCH ESO ISS PBLA34 END 6.333
HIERARCH ESO ISS AMBI TAU0 START 0.005869
HIERARCH ESO ISS AMBI TAU0 END 0.005934
HIERARCH ESO ISS AMBI TEMP 13.2
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.55