Exposure
ID
PIONI.2025-07-24T06:23:29.554_1
Header ID
PIONI.2025-07-24T06:23:29.554
Date updated
2025-07-24 06:30:54 UTC+0000
Release date
2025-07-24 06:23:29 UTC+0000
UTC Start
2025-07-24 06:23:29.554
UTC End
2025-07-24 06:24:07.954
MJD Start
60880.2663142821
MJD End
60880.26675872654
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006812
Ambient temperature (°C)
12.73
Seeing (arcsec)
0.31
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 89.3270 89.3730 114.4000 114.4000
A0-J2 120.1110 120.2790 94.0000 94.0000
A0-C1 22.3290 22.3410 114.4560 114.4330
G1-J2 47.8930 47.9880 53.5000 53.6000
G1-C1 66.9980 67.0330 294.4400 294.4180
J2-C1 99.4890 99.6450 269.5510 269.5420
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 60880.2663142821
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 89.327
HIERARCH ESO ISS PBL12 END 89.373
HIERARCH ESO ISS PBLA12 START 114.4
HIERARCH ESO ISS PBLA12 END 114.4
HIERARCH ESO ISS PBL13 START 120.111
HIERARCH ESO ISS PBL13 END 120.279
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 22.329
HIERARCH ESO ISS PBL14 END 22.341
HIERARCH ESO ISS PBLA14 START 114.456
HIERARCH ESO ISS PBLA14 END 114.433
HIERARCH ESO ISS PBL23 START 47.893
HIERARCH ESO ISS PBL23 END 47.988
HIERARCH ESO ISS PBLA23 START 53.5
HIERARCH ESO ISS PBLA23 END 53.6
HIERARCH ESO ISS PBL24 START 66.998
HIERARCH ESO ISS PBL24 END 67.033
HIERARCH ESO ISS PBLA24 START 294.44
HIERARCH ESO ISS PBLA24 END 294.418
HIERARCH ESO ISS PBL34 START 99.489
HIERARCH ESO ISS PBL34 END 99.645
HIERARCH ESO ISS PBLA34 START 269.551
HIERARCH ESO ISS PBLA34 END 269.542
HIERARCH ESO ISS AMBI TAU0 START 0.006812
HIERARCH ESO ISS AMBI TAU0 END 0.006812
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.32