Exposure
ID
PIONI.2025-08-23T07:32:43.351_1
Header ID
PIONI.2025-08-23T07:32:43.351
Date updated
2025-08-23 07:40:49 UTC+0000
Release date
2025-08-23 07:32:43 UTC+0000
UTC Start
2025-08-23 07:32:43.351
UTC End
2025-08-23 07:33:21.751
MJD Start
60910.314390637
MJD End
60910.314835081444
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002471
Ambient temperature (°C)
2.84
Seeing (arcsec)
1.2149999999999999
Observation
ID
70081
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
51994
Name
HD220171
RA
350.433186
DEC
3.06035
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 39.9260 39.8910 159.5000 159.6000
A0-J2 117.0070 116.8100 91.3000 91.3000
A0-J6 165.9000 165.9710 34.4330 34.4580
B5-J2 108.6690 108.5770 71.4000 71.4000
B5-J6 191.6440 191.7380 24.6140 24.6640
J2-J6 141.4720 141.4190 350.5710 350.6880
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 60910.314390637
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD220171
RA 350.433186
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 39.926
HIERARCH ESO ISS PBL12 END 39.891
HIERARCH ESO ISS PBLA12 START 159.5
HIERARCH ESO ISS PBLA12 END 159.6
HIERARCH ESO ISS PBL13 START 117.007
HIERARCH ESO ISS PBL13 END 116.81
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 165.9
HIERARCH ESO ISS PBL14 END 165.971
HIERARCH ESO ISS PBLA14 START 34.433
HIERARCH ESO ISS PBLA14 END 34.458
HIERARCH ESO ISS PBL23 START 108.669
HIERARCH ESO ISS PBL23 END 108.577
HIERARCH ESO ISS PBLA23 START 71.4
HIERARCH ESO ISS PBLA23 END 71.4
HIERARCH ESO ISS PBL24 START 191.644
HIERARCH ESO ISS PBL24 END 191.738
HIERARCH ESO ISS PBLA24 START 24.614
HIERARCH ESO ISS PBLA24 END 24.664
HIERARCH ESO ISS PBL34 START 141.472
HIERARCH ESO ISS PBL34 END 141.419
HIERARCH ESO ISS PBLA34 START 350.571
HIERARCH ESO ISS PBLA34 END 350.688
HIERARCH ESO ISS AMBI TAU0 START 0.002471
HIERARCH ESO ISS AMBI TAU0 END 0.002471
HIERARCH ESO ISS AMBI TEMP 2.84
HIERARCH ESO ISS AMBI FWHM START 1.22
HIERARCH ESO ISS AMBI FWHM END 1.21