Exposure
ID
PIONI.2025-06-01T05:57:03.626_1
Header ID
PIONI.2025-06-01T05:57:03.626
Date updated
2025-06-01 06:12:05 UTC+0000
Release date
2025-06-01 05:57:03 UTC+0000
UTC Start
2025-06-01 05:57:03.626
UTC End
2025-06-01 05:57:42.026
MJD Start
60827.2479586331
MJD End
60827.248403077545
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009244
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.28500000000000003
Observation
ID
67688
Category
calibrator
Program ID
115.28F2.002
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
50340
Name
HD170785
RA
277.804069
DEC
-0.44418
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 46.7300 46.7030 146.6000 146.6000
A0-J2 127.9370 128.0020 92.5000 92.5000
A0-J6 152.8610 152.9700 24.4330 24.5210
B5-J2 107.3700 107.4770 71.9000 71.9000
B5-J6 182.0640 182.1290 11.8780 11.9720
J2-J6 158.5680 158.4880 335.9660 336.0290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60827.2479586331
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170785
RA 277.804069
DEC -0.44418
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 46.73
HIERARCH ESO ISS PBL12 END 46.703
HIERARCH ESO ISS PBLA12 START 146.6
HIERARCH ESO ISS PBLA12 END 146.6
HIERARCH ESO ISS PBL13 START 127.937
HIERARCH ESO ISS PBL13 END 128.002
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 152.861
HIERARCH ESO ISS PBL14 END 152.97
HIERARCH ESO ISS PBLA14 START 24.433
HIERARCH ESO ISS PBLA14 END 24.521
HIERARCH ESO ISS PBL23 START 107.37
HIERARCH ESO ISS PBL23 END 107.477
HIERARCH ESO ISS PBLA23 START 71.9
HIERARCH ESO ISS PBLA23 END 71.9
HIERARCH ESO ISS PBL24 START 182.064
HIERARCH ESO ISS PBL24 END 182.129
HIERARCH ESO ISS PBLA24 START 11.878
HIERARCH ESO ISS PBLA24 END 11.972
HIERARCH ESO ISS PBL34 START 158.568
HIERARCH ESO ISS PBL34 END 158.488
HIERARCH ESO ISS PBLA34 START 335.966
HIERARCH ESO ISS PBLA34 END 336.029
HIERARCH ESO ISS AMBI TAU0 START 0.008394
HIERARCH ESO ISS AMBI TAU0 END 0.010094
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.3