Exposure
ID
PIONI.2025-09-22T03:16:27.470_1
Header ID
PIONI.2025-09-22T03:16:27.470
Date updated
2025-09-22 03:25:40 UTC+0000
Release date
2025-09-22 03:16:27 UTC+0000
UTC Start
2025-09-22 03:16:27.470
UTC End
2025-09-22 03:17:05.870
MJD Start
60940.1364290453
MJD End
60940.13687348974
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007127
Ambient temperature (°C)
11.46
Seeing (arcsec)
0.41000000000000003
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 90.4580 90.4480 113.4000 113.4000
A0-J2 127.4790 127.5530 93.1000 93.1000
A0-K0 120.9740 121.1130 72.9110 72.9200
G1-J2 52.9380 53.0090 56.8000 56.8000
G1-K0 78.6230 78.6880 24.5230 24.6150
J2-K0 44.1040 44.0850 344.6730 344.7510
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 60940.1364290453
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 90.458
HIERARCH ESO ISS PBL12 END 90.448
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 127.479
HIERARCH ESO ISS PBL13 END 127.553
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.1
HIERARCH ESO ISS PBL14 START 120.974
HIERARCH ESO ISS PBL14 END 121.113
HIERARCH ESO ISS PBLA14 START 72.911
HIERARCH ESO ISS PBLA14 END 72.92
HIERARCH ESO ISS PBL23 START 52.938
HIERARCH ESO ISS PBL23 END 53.009
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 78.623
HIERARCH ESO ISS PBL24 END 78.688
HIERARCH ESO ISS PBLA24 START 24.523
HIERARCH ESO ISS PBLA24 END 24.615
HIERARCH ESO ISS PBL34 START 44.104
HIERARCH ESO ISS PBL34 END 44.085
HIERARCH ESO ISS PBLA34 START 344.673
HIERARCH ESO ISS PBLA34 END 344.751
HIERARCH ESO ISS AMBI TAU0 START 0.007127
HIERARCH ESO ISS AMBI TAU0 END 0.007127
HIERARCH ESO ISS AMBI TEMP 11.46
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.4