Exposure
ID
PIONI.2025-09-23T03:06:23.333_1
Header ID
PIONI.2025-09-23T03:06:23.333
Date updated
2025-09-23 03:16:04 UTC+0000
Release date
2025-09-23 03:06:23 UTC+0000
UTC Start
2025-09-23 03:06:23.334
UTC End
2025-09-23 03:07:01.734
MJD Start
60941.1294367337
MJD End
60941.129881178145
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008539
Ambient temperature (°C)
14.21
Seeing (arcsec)
0.43
Observation
ID
70466
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
52252
Name
HD220171
RA
350.432629
DEC
3.06034
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 90.5050 90.5020 113.5000 113.5000
A0-J2 126.8660 126.9510 93.2000 93.2000
A0-K0 119.8660 120.0150 72.8310 72.8420
G1-J2 52.3830 52.4570 56.5000 56.5000
G1-K0 78.1280 78.1920 23.7970 23.8930
J2-K0 44.2510 44.2320 344.0740 344.1510
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 60941.1294367337
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD220171
RA 350.432629
DEC 3.06034
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 90.505
HIERARCH ESO ISS PBL12 END 90.502
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 126.866
HIERARCH ESO ISS PBL13 END 126.951
HIERARCH ESO ISS PBLA13 START 93.2
HIERARCH ESO ISS PBLA13 END 93.2
HIERARCH ESO ISS PBL14 START 119.866
HIERARCH ESO ISS PBL14 END 120.015
HIERARCH ESO ISS PBLA14 START 72.831
HIERARCH ESO ISS PBLA14 END 72.842
HIERARCH ESO ISS PBL23 START 52.383
HIERARCH ESO ISS PBL23 END 52.457
HIERARCH ESO ISS PBLA23 START 56.5
HIERARCH ESO ISS PBLA23 END 56.5
HIERARCH ESO ISS PBL24 START 78.128
HIERARCH ESO ISS PBL24 END 78.192
HIERARCH ESO ISS PBLA24 START 23.797
HIERARCH ESO ISS PBLA24 END 23.893
HIERARCH ESO ISS PBL34 START 44.251
HIERARCH ESO ISS PBL34 END 44.232
HIERARCH ESO ISS PBLA34 START 344.074
HIERARCH ESO ISS PBLA34 END 344.151
HIERARCH ESO ISS AMBI TAU0 START 0.008539
HIERARCH ESO ISS AMBI TAU0 END 0.008539
HIERARCH ESO ISS AMBI TEMP 14.21
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.42