Exposure
ID
PIONI.2025-08-26T05:42:01.766_1
Header ID
PIONI.2025-08-26T05:42:01.766
Date updated
2025-08-26 06:20:58 UTC+0000
Release date
2025-08-26 05:42:01 UTC+0000
UTC Start
2025-08-26 05:42:01.766
UTC End
2025-08-26 05:42:40.166
MJD Start
60913.2375204386
MJD End
60913.23796488304
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00566
Ambient temperature (°C)
13.87
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 44.5370 44.5010 148.2000 148.3000
A0-J2 129.2330 129.2290 92.5000 92.5000
A0-J6 153.4870 153.6080 28.5790 28.6510
B5-J2 110.4150 110.4770 73.1000 73.1000
B5-J6 179.7250 179.8140 16.1390 16.2260
J2-J6 151.1560 151.0610 338.3850 338.4640
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 60913.2375204386
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 44.537
HIERARCH ESO ISS PBL12 END 44.501
HIERARCH ESO ISS PBLA12 START 148.2
HIERARCH ESO ISS PBLA12 END 148.3
HIERARCH ESO ISS PBL13 START 129.233
HIERARCH ESO ISS PBL13 END 129.229
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 153.487
HIERARCH ESO ISS PBL14 END 153.608
HIERARCH ESO ISS PBLA14 START 28.579
HIERARCH ESO ISS PBLA14 END 28.651
HIERARCH ESO ISS PBL23 START 110.415
HIERARCH ESO ISS PBL23 END 110.477
HIERARCH ESO ISS PBLA23 START 73.1
HIERARCH ESO ISS PBLA23 END 73.1
HIERARCH ESO ISS PBL24 START 179.725
HIERARCH ESO ISS PBL24 END 179.814
HIERARCH ESO ISS PBLA24 START 16.139
HIERARCH ESO ISS PBLA24 END 16.226
HIERARCH ESO ISS PBL34 START 151.156
HIERARCH ESO ISS PBL34 END 151.061
HIERARCH ESO ISS PBLA34 START 338.385
HIERARCH ESO ISS PBLA34 END 338.464
HIERARCH ESO ISS AMBI TAU0 START 0.00566
HIERARCH ESO ISS AMBI TAU0 END 0.00566
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68