Exposure
ID
PIONI.2025-07-23T04:50:16.549_1
Header ID
PIONI.2025-07-23T04:50:16.549
Date updated
2025-07-23 04:55:47 UTC+0000
Release date
2025-07-23 04:50:16 UTC+0000
UTC Start
2025-07-23 04:50:16.550
UTC End
2025-07-23 04:50:54.950
MJD Start
60879.2015804341
MJD End
60879.20202487854
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0026214999999999997
Ambient temperature (°C)
13.72
Seeing (arcsec)
0.63
Observation
ID
67037
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
49845
Name
HD170817
RA
277.856058
DEC
-0.28448
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.8480 75.6930 118.6000 118.7000
A0-J2 115.8650 115.6600 93.0000 93.0000
A0-K0 122.8340 122.7110 72.1500 72.1310
G1-J2 57.6960 57.6720 58.4000 58.3000
G1-K0 89.4780 89.5050 34.2290 34.2530
J2-K0 43.7320 43.7340 1.5850 1.6840
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 60879.2015804341
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170817
RA 277.856058
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 75.848
HIERARCH ESO ISS PBL12 END 75.693
HIERARCH ESO ISS PBLA12 START 118.6
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 115.865
HIERARCH ESO ISS PBL13 END 115.66
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 122.834
HIERARCH ESO ISS PBL14 END 122.711
HIERARCH ESO ISS PBLA14 START 72.15
HIERARCH ESO ISS PBLA14 END 72.131
HIERARCH ESO ISS PBL23 START 57.696
HIERARCH ESO ISS PBL23 END 57.672
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 89.478
HIERARCH ESO ISS PBL24 END 89.505
HIERARCH ESO ISS PBLA24 START 34.229
HIERARCH ESO ISS PBLA24 END 34.253
HIERARCH ESO ISS PBL34 START 43.732
HIERARCH ESO ISS PBL34 END 43.734
HIERARCH ESO ISS PBLA34 START 1.585
HIERARCH ESO ISS PBLA34 END 1.684
HIERARCH ESO ISS AMBI TAU0 START 0.003044
HIERARCH ESO ISS AMBI TAU0 END 0.002199
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.71