Exposure
ID
PIONI.2025-06-02T03:51:06.748_1
Header ID
PIONI.2025-06-02T03:51:06.748
Date updated
2025-06-02 04:01:40 UTC+0000
Release date
2025-06-02 03:51:06 UTC+0000
UTC Start
2025-06-02 03:51:06.748
UTC End
2025-06-02 03:51:45.148
MJD Start
60828.1604947676
MJD End
60828.160939212044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003706
Ambient temperature (°C)
11.51
Seeing (arcsec)
0.965
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 48.6350 48.6380 143.1000 143.1000
A0-J2 100.8970 101.1790 92.9000 92.9000
A0-J6 140.3040 140.3430 6.7130 6.8500
B5-J2 79.0890 79.3400 64.8000 64.9000
B5-J6 178.6800 178.6560 355.8870 355.9940
J2-J6 167.3270 167.3010 329.7290 329.7460
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 60828.1604947676
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 48.635
HIERARCH ESO ISS PBL12 END 48.638
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 100.897
HIERARCH ESO ISS PBL13 END 101.179
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 140.304
HIERARCH ESO ISS PBL14 END 140.343
HIERARCH ESO ISS PBLA14 START 6.713
HIERARCH ESO ISS PBLA14 END 6.85
HIERARCH ESO ISS PBL23 START 79.089
HIERARCH ESO ISS PBL23 END 79.34
HIERARCH ESO ISS PBLA23 START 64.8
HIERARCH ESO ISS PBLA23 END 64.9
HIERARCH ESO ISS PBL24 START 178.68
HIERARCH ESO ISS PBL24 END 178.656
HIERARCH ESO ISS PBLA24 START 355.887
HIERARCH ESO ISS PBLA24 END 355.994
HIERARCH ESO ISS PBL34 START 167.327
HIERARCH ESO ISS PBL34 END 167.301
HIERARCH ESO ISS PBLA34 START 329.729
HIERARCH ESO ISS PBLA34 END 329.746
HIERARCH ESO ISS AMBI TAU0 START 0.003841
HIERARCH ESO ISS AMBI TAU0 END 0.003571
HIERARCH ESO ISS AMBI TEMP 11.51
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.96