Exposure
ID
PIONI.2025-07-22T04:36:11.215_1
Header ID
PIONI.2025-07-22T04:36:11.215
Date updated
2025-07-22 05:35:53 UTC+0000
Release date
2025-07-22 04:36:11 UTC+0000
UTC Start
2025-07-22 04:36:11.215
UTC End
2025-07-22 04:36:49.615
MJD Start
60878.1917964667
MJD End
60878.19224091114
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.009278999999999999
Ambient temperature (°C)
14.64
Seeing (arcsec)
0.45
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 79.1000 78.9630 117.3000 117.4000
A0-J2 120.0080 119.8400 92.9000 92.9000
A0-K0 125.1830 125.0930 72.4720 72.4600
G1-J2 58.0930 58.0810 58.6000 58.6000
G1-K0 88.8010 88.8340 33.5570 33.5900
J2-K0 43.7180 43.7180 359.3570 359.4560
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 60878.1917964667
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 79.1
HIERARCH ESO ISS PBL12 END 78.963
HIERARCH ESO ISS PBLA12 START 117.3
HIERARCH ESO ISS PBLA12 END 117.4
HIERARCH ESO ISS PBL13 START 120.008
HIERARCH ESO ISS PBL13 END 119.84
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 125.183
HIERARCH ESO ISS PBL14 END 125.093
HIERARCH ESO ISS PBLA14 START 72.472
HIERARCH ESO ISS PBLA14 END 72.46
HIERARCH ESO ISS PBL23 START 58.093
HIERARCH ESO ISS PBL23 END 58.081
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.801
HIERARCH ESO ISS PBL24 END 88.834
HIERARCH ESO ISS PBLA24 START 33.557
HIERARCH ESO ISS PBLA24 END 33.59
HIERARCH ESO ISS PBL34 START 43.718
HIERARCH ESO ISS PBL34 END 43.718
HIERARCH ESO ISS PBLA34 START 359.357
HIERARCH ESO ISS PBLA34 END 359.456
HIERARCH ESO ISS AMBI TAU0 START 0.009292
HIERARCH ESO ISS AMBI TAU0 END 0.009266
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45