Exposure
ID
PIONI.2025-07-24T06:24:19.925_1
Header ID
PIONI.2025-07-24T06:24:19.925
Date updated
2025-07-24 06:30:54 UTC+0000
Release date
2025-07-24 06:24:19 UTC+0000
UTC Start
2025-07-24 06:24:19.925
UTC End
2025-07-24 06:24:58.325
MJD Start
60880.2668972788
MJD End
60880.26734172324
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006678
Ambient temperature (°C)
12.73
Seeing (arcsec)
0.33
Observation
ID
68949
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 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.3740 89.4200 114.4000 114.4000
A0-J2 120.2830 120.4500 94.0000 94.0000
A0-C1 22.3410 22.3520 114.4300 114.4080
G1-J2 47.9900 48.0850 53.6000 53.6000
G1-C1 67.0330 67.0680 294.4150 294.3930
J2-C1 99.6480 99.8040 269.5400 269.5310
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 60880.2668972788
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 C1
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.374
HIERARCH ESO ISS PBL12 END 89.42
HIERARCH ESO ISS PBLA12 START 114.4
HIERARCH ESO ISS PBLA12 END 114.4
HIERARCH ESO ISS PBL13 START 120.283
HIERARCH ESO ISS PBL13 END 120.45
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 22.341
HIERARCH ESO ISS PBL14 END 22.352
HIERARCH ESO ISS PBLA14 START 114.43
HIERARCH ESO ISS PBLA14 END 114.408
HIERARCH ESO ISS PBL23 START 47.99
HIERARCH ESO ISS PBL23 END 48.085
HIERARCH ESO ISS PBLA23 START 53.6
HIERARCH ESO ISS PBLA23 END 53.6
HIERARCH ESO ISS PBL24 START 67.033
HIERARCH ESO ISS PBL24 END 67.068
HIERARCH ESO ISS PBLA24 START 294.415
HIERARCH ESO ISS PBLA24 END 294.393
HIERARCH ESO ISS PBL34 START 99.648
HIERARCH ESO ISS PBL34 END 99.804
HIERARCH ESO ISS PBLA34 START 269.54
HIERARCH ESO ISS PBLA34 END 269.531
HIERARCH ESO ISS AMBI TAU0 START 0.006812
HIERARCH ESO ISS AMBI TAU0 END 0.006544
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.34