Exposure
ID
PIONI.2025-06-02T04:06:52.639_1
Header ID
PIONI.2025-06-02T04:06:52.639
Date updated
2025-06-02 04:17:33 UTC+0000
Release date
2025-06-02 04:06:52 UTC+0000
UTC Start
2025-06-02 04:06:52.639
UTC End
2025-06-02 04:07:31.039
MJD Start
60828.1714425841
MJD End
60828.17188702854
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004203999999999999
Ambient temperature (°C)
11.05
Seeing (arcsec)
0.9299999999999999
Observation
ID
67690
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
50342
Name
HD170817
RA
277.856613
DEC
-0.28448
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 48.6530 48.6520 143.1000 143.1000
A0-J2 106.1590 106.4160 92.9000 92.9000
A0-J6 140.9460 141.0000 9.3620 9.4950
B5-J2 83.7630 84.0010 66.5000 66.5000
B5-J6 178.0710 178.0600 357.9710 358.0790
J2-J6 166.6780 166.6420 330.1030 330.1250
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 60828.1714425841
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170817
RA 277.856613
DEC -0.28448
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 48.653
HIERARCH ESO ISS PBL12 END 48.652
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 106.159
HIERARCH ESO ISS PBL13 END 106.416
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 140.946
HIERARCH ESO ISS PBL14 END 141.0
HIERARCH ESO ISS PBLA14 START 9.362
HIERARCH ESO ISS PBLA14 END 9.495
HIERARCH ESO ISS PBL23 START 83.763
HIERARCH ESO ISS PBL23 END 84.001
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 178.071
HIERARCH ESO ISS PBL24 END 178.06
HIERARCH ESO ISS PBLA24 START 357.971
HIERARCH ESO ISS PBLA24 END 358.079
HIERARCH ESO ISS PBL34 START 166.678
HIERARCH ESO ISS PBL34 END 166.642
HIERARCH ESO ISS PBLA34 START 330.103
HIERARCH ESO ISS PBLA34 END 330.125
HIERARCH ESO ISS AMBI TAU0 START 0.004299
HIERARCH ESO ISS AMBI TAU0 END 0.004109
HIERARCH ESO ISS AMBI TEMP 11.05
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.9