Exposure
ID
PIONI.2025-08-26T05:41:11.320_1
Header ID
PIONI.2025-08-26T05:41:11.320
Date updated
2025-08-26 06:20:58 UTC+0000
Release date
2025-08-26 05:41:11 UTC+0000
UTC Start
2025-08-26 05:41:11.320
UTC End
2025-08-26 05:41:49.720
MJD Start
60913.2369365711
MJD End
60913.23738101554
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00566
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.68
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 44.5760 44.5390 148.1000 148.2000
A0-J2 129.2350 129.2330 92.6000 92.6000
A0-J6 153.3590 153.4820 28.5030 28.5760
B5-J2 110.3470 110.4120 73.1000 73.1000
B5-J6 179.6300 179.7210 16.0460 16.1350
J2-J6 151.2560 151.1600 338.3010 338.3810
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 60913.2369365711
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 44.576
HIERARCH ESO ISS PBL12 END 44.539
HIERARCH ESO ISS PBLA12 START 148.1
HIERARCH ESO ISS PBLA12 END 148.2
HIERARCH ESO ISS PBL13 START 129.235
HIERARCH ESO ISS PBL13 END 129.233
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 153.359
HIERARCH ESO ISS PBL14 END 153.482
HIERARCH ESO ISS PBLA14 START 28.503
HIERARCH ESO ISS PBLA14 END 28.576
HIERARCH ESO ISS PBL23 START 110.347
HIERARCH ESO ISS PBL23 END 110.412
HIERARCH ESO ISS PBLA23 START 73.1
HIERARCH ESO ISS PBLA23 END 73.1
HIERARCH ESO ISS PBL24 START 179.63
HIERARCH ESO ISS PBL24 END 179.721
HIERARCH ESO ISS PBLA24 START 16.046
HIERARCH ESO ISS PBLA24 END 16.135
HIERARCH ESO ISS PBL34 START 151.256
HIERARCH ESO ISS PBL34 END 151.16
HIERARCH ESO ISS PBLA34 START 338.301
HIERARCH ESO ISS PBLA34 END 338.381
HIERARCH ESO ISS AMBI TAU0 START 0.00566
HIERARCH ESO ISS AMBI TAU0 END 0.00566
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68