Exposure
ID
PIONI.2025-07-22T08:05:01.783_1
Header ID
PIONI.2025-07-22T08:05:01.783
Date updated
2025-07-22 08:10:49 UTC+0000
Release date
2025-07-22 08:05:01 UTC+0000
UTC Start
2025-07-22 08:05:01.783
UTC End
2025-07-22 08:05:40.183
MJD Start
60878.3368261913
MJD End
60878.33727063574
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005601
Ambient temperature (°C)
14.05
Seeing (arcsec)
0.28
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 88.4620 88.3990 113.4000 113.4000
A0-J2 129.1760 129.1610 92.5000 92.5000
A0-K0 126.6330 126.6960 73.0800 73.0810
G1-J2 56.2080 56.2540 58.3000 58.4000
G1-K0 82.2740 82.3390 29.0380 29.1120
J2-K0 43.1590 43.1440 349.4430 349.5400
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 60878.3368261913
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 88.462
HIERARCH ESO ISS PBL12 END 88.399
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 129.176
HIERARCH ESO ISS PBL13 END 129.161
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 126.633
HIERARCH ESO ISS PBL14 END 126.696
HIERARCH ESO ISS PBLA14 START 73.08
HIERARCH ESO ISS PBLA14 END 73.081
HIERARCH ESO ISS PBL23 START 56.208
HIERARCH ESO ISS PBL23 END 56.254
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 82.274
HIERARCH ESO ISS PBL24 END 82.339
HIERARCH ESO ISS PBLA24 START 29.038
HIERARCH ESO ISS PBLA24 END 29.112
HIERARCH ESO ISS PBL34 START 43.159
HIERARCH ESO ISS PBL34 END 43.144
HIERARCH ESO ISS PBLA34 START 349.443
HIERARCH ESO ISS PBLA34 END 349.54
HIERARCH ESO ISS AMBI TAU0 START 0.005601
HIERARCH ESO ISS AMBI TAU0 END 0.005601
HIERARCH ESO ISS AMBI TEMP 14.05
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.26