Exposure
ID
PIONI.2025-07-22T08:07:33.300_1
Header ID
PIONI.2025-07-22T08:07:33.300
Date updated
2025-07-22 08:15:47 UTC+0000
Release date
2025-07-22 08:07:33 UTC+0000
UTC Start
2025-07-22 08:07:33.300
UTC End
2025-07-22 08:08:11.700
MJD Start
60878.3385798582
MJD End
60878.339024302644
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0076855
Ambient temperature (°C)
14.01
Seeing (arcsec)
0.26
Observation
ID
68129
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
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
50640
Name
HD220171
RA
350.43263
DEC
3.06035
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 88.2630 88.1980 113.4000 113.4000
A0-J2 129.1250 129.1050 92.4000 92.4000
A0-K0 126.8220 126.8790 73.0710 73.0670
G1-J2 56.3490 56.3920 58.4000 58.4000
G1-K0 82.4760 82.5390 29.2540 29.3220
J2-K0 43.1140 43.1000 349.7320 349.8240
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 60878.3385798582
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD220171
RA 350.43263
DEC 3.06035
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 88.263
HIERARCH ESO ISS PBL12 END 88.198
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 129.125
HIERARCH ESO ISS PBL13 END 129.105
HIERARCH ESO ISS PBLA13 START 92.4
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 126.822
HIERARCH ESO ISS PBL14 END 126.879
HIERARCH ESO ISS PBLA14 START 73.071
HIERARCH ESO ISS PBLA14 END 73.067
HIERARCH ESO ISS PBL23 START 56.349
HIERARCH ESO ISS PBL23 END 56.392
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 82.476
HIERARCH ESO ISS PBL24 END 82.539
HIERARCH ESO ISS PBLA24 START 29.254
HIERARCH ESO ISS PBLA24 END 29.322
HIERARCH ESO ISS PBL34 START 43.114
HIERARCH ESO ISS PBL34 END 43.1
HIERARCH ESO ISS PBLA34 START 349.732
HIERARCH ESO ISS PBLA34 END 349.824
HIERARCH ESO ISS AMBI TAU0 START 0.007486
HIERARCH ESO ISS AMBI TAU0 END 0.007885
HIERARCH ESO ISS AMBI TEMP 14.01
HIERARCH ESO ISS AMBI FWHM START 0.25
HIERARCH ESO ISS AMBI FWHM END 0.27