Exposure
ID
PIONI.2025-09-26T01:31:44.215_1
Header ID
PIONI.2025-09-26T01:31:44.215
Date updated
2025-09-26 01:40:52 UTC+0000
Release date
2025-09-26 01:31:44 UTC+0000
UTC Start
2025-09-26 01:31:44.215
UTC End
2025-09-26 01:32:22.615
MJD Start
60944.0637061931
MJD End
60944.06415063754
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005991
Ambient temperature (°C)
12.78
Seeing (arcsec)
0.56
Observation
ID
70505
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
52282
Name
HD170817
RA
277.856057
DEC
-0.28448
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 63.7070 63.5220 124.8000 124.9000
A0-J2 98.1780 97.8840 93.6000 93.6000
A0-K0 111.0060 110.7960 70.2440 70.2060
G1-J2 54.7770 54.7190 56.5000 56.5000
G1-K0 90.4820 90.4830 35.2170 35.2190
J2-K0 44.1900 44.2000 8.4370 8.5290
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 60944.0637061931
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170817
RA 277.856057
DEC -0.28448
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 63.707
HIERARCH ESO ISS PBL12 END 63.522
HIERARCH ESO ISS PBLA12 START 124.8
HIERARCH ESO ISS PBLA12 END 124.9
HIERARCH ESO ISS PBL13 START 98.178
HIERARCH ESO ISS PBL13 END 97.884
HIERARCH ESO ISS PBLA13 START 93.6
HIERARCH ESO ISS PBLA13 END 93.6
HIERARCH ESO ISS PBL14 START 111.006
HIERARCH ESO ISS PBL14 END 110.796
HIERARCH ESO ISS PBLA14 START 70.244
HIERARCH ESO ISS PBLA14 END 70.206
HIERARCH ESO ISS PBL23 START 54.777
HIERARCH ESO ISS PBL23 END 54.719
HIERARCH ESO ISS PBLA23 START 56.5
HIERARCH ESO ISS PBLA23 END 56.5
HIERARCH ESO ISS PBL24 START 90.482
HIERARCH ESO ISS PBL24 END 90.483
HIERARCH ESO ISS PBLA24 START 35.217
HIERARCH ESO ISS PBLA24 END 35.219
HIERARCH ESO ISS PBL34 START 44.19
HIERARCH ESO ISS PBL34 END 44.2
HIERARCH ESO ISS PBLA34 START 8.437
HIERARCH ESO ISS PBLA34 END 8.529
HIERARCH ESO ISS AMBI TAU0 START 0.005991
HIERARCH ESO ISS AMBI TAU0 END 0.005991
HIERARCH ESO ISS AMBI TEMP 12.78
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56