Exposure
ID
PIONI.2025-07-22T08:05:52.237_1
Header ID
PIONI.2025-07-22T08:05:52.237
Date updated
2025-07-22 08:10:49 UTC+0000
Release date
2025-07-22 08:05:52 UTC+0000
UTC Start
2025-07-22 08:05:52.237
UTC End
2025-07-22 08:06:30.637
MJD Start
60878.3374101492
MJD End
60878.33785459364
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0065435
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.255
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 88.3960 88.3340 113.4000 113.4000
A0-J2 129.1610 129.1440 92.5000 92.5000
A0-K0 126.6980 126.7580 73.0810 73.0780
G1-J2 56.2560 56.3000 58.4000 58.4000
G1-K0 82.3420 82.4060 29.1150 29.1840
J2-K0 43.1430 43.1290 349.5440 349.6350
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 60878.3374101492
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 88.396
HIERARCH ESO ISS PBL12 END 88.334
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 129.161
HIERARCH ESO ISS PBL13 END 129.144
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.698
HIERARCH ESO ISS PBL14 END 126.758
HIERARCH ESO ISS PBLA14 START 73.081
HIERARCH ESO ISS PBLA14 END 73.078
HIERARCH ESO ISS PBL23 START 56.256
HIERARCH ESO ISS PBL23 END 56.3
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 82.342
HIERARCH ESO ISS PBL24 END 82.406
HIERARCH ESO ISS PBLA24 START 29.115
HIERARCH ESO ISS PBLA24 END 29.184
HIERARCH ESO ISS PBL34 START 43.143
HIERARCH ESO ISS PBL34 END 43.129
HIERARCH ESO ISS PBLA34 START 349.544
HIERARCH ESO ISS PBLA34 END 349.635
HIERARCH ESO ISS AMBI TAU0 START 0.005601
HIERARCH ESO ISS AMBI TAU0 END 0.007486
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.26
HIERARCH ESO ISS AMBI FWHM END 0.25