Exposure
ID
PIONI.2025-09-21T02:49:00.655_1
Header ID
PIONI.2025-09-21T02:49:00.655
Date updated
2025-09-21 02:55:51 UTC+0000
Release date
2025-09-21 02:49:00 UTC+0000
UTC Start
2025-09-21 02:49:00.655
UTC End
2025-09-21 02:49:39.055
MJD Start
60939.1173686874
MJD End
60939.117813131845
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0022944999999999997
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.61
Observation
ID
70479
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
JONAK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
52262
Name
HD173036
RA
281.018159
DEC
-18.7643
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 69.5470 69.4380 146.1000 146.3000
A0-J2 88.3760 88.0880 115.5000 115.7000
A0-K0 90.5820 90.2770 84.1270 84.1730
G1-J2 45.4710 45.3600 64.4000 64.4000
G1-K0 84.4500 84.3830 37.4640 37.4700
J2-K0 48.4940 48.4970 12.3380 12.4190
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 60939.1173686874
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173036
RA 281.018159
DEC -18.7643
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 69.547
HIERARCH ESO ISS PBL12 END 69.438
HIERARCH ESO ISS PBLA12 START 146.1
HIERARCH ESO ISS PBLA12 END 146.3
HIERARCH ESO ISS PBL13 START 88.376
HIERARCH ESO ISS PBL13 END 88.088
HIERARCH ESO ISS PBLA13 START 115.5
HIERARCH ESO ISS PBLA13 END 115.7
HIERARCH ESO ISS PBL14 START 90.582
HIERARCH ESO ISS PBL14 END 90.277
HIERARCH ESO ISS PBLA14 START 84.127
HIERARCH ESO ISS PBLA14 END 84.173
HIERARCH ESO ISS PBL23 START 45.471
HIERARCH ESO ISS PBL23 END 45.36
HIERARCH ESO ISS PBLA23 START 64.4
HIERARCH ESO ISS PBLA23 END 64.4
HIERARCH ESO ISS PBL24 START 84.45
HIERARCH ESO ISS PBL24 END 84.383
HIERARCH ESO ISS PBLA24 START 37.464
HIERARCH ESO ISS PBLA24 END 37.47
HIERARCH ESO ISS PBL34 START 48.494
HIERARCH ESO ISS PBL34 END 48.497
HIERARCH ESO ISS PBLA34 START 12.338
HIERARCH ESO ISS PBLA34 END 12.419
HIERARCH ESO ISS AMBI TAU0 START 0.002306
HIERARCH ESO ISS AMBI TAU0 END 0.002283
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.62