Exposure
ID
PIONI.2025-07-22T04:37:52.065_1
Header ID
PIONI.2025-07-22T04:37:52.065
Date updated
2025-07-22 05:35:53 UTC+0000
Release date
2025-07-22 04:37:52 UTC+0000
UTC Start
2025-07-22 04:37:52.065
UTC End
2025-07-22 04:38:30.465
MJD Start
60878.1929637096
MJD End
60878.19340815404
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.008011
Ambient temperature (°C)
14.63
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 78.8140 78.6720 117.4000 117.5000
A0-J2 119.6550 119.4810 92.9000 92.9000
A0-K0 124.9950 124.9010 72.4470 72.4370
G1-J2 58.0680 58.0540 58.6000 58.6000
G1-K0 88.8700 88.9040 33.6260 33.6620
J2-K0 43.7170 43.7170 359.5630 359.6670
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 60878.1929637096
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 78.814
HIERARCH ESO ISS PBL12 END 78.672
HIERARCH ESO ISS PBLA12 START 117.4
HIERARCH ESO ISS PBLA12 END 117.5
HIERARCH ESO ISS PBL13 START 119.655
HIERARCH ESO ISS PBL13 END 119.481
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 124.995
HIERARCH ESO ISS PBL14 END 124.901
HIERARCH ESO ISS PBLA14 START 72.447
HIERARCH ESO ISS PBLA14 END 72.437
HIERARCH ESO ISS PBL23 START 58.068
HIERARCH ESO ISS PBL23 END 58.054
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.87
HIERARCH ESO ISS PBL24 END 88.904
HIERARCH ESO ISS PBLA24 START 33.626
HIERARCH ESO ISS PBLA24 END 33.662
HIERARCH ESO ISS PBL34 START 43.717
HIERARCH ESO ISS PBL34 END 43.717
HIERARCH ESO ISS PBLA34 START 359.563
HIERARCH ESO ISS PBLA34 END 359.667
HIERARCH ESO ISS AMBI TAU0 START 0.008011
HIERARCH ESO ISS AMBI TAU0 END 0.008011
HIERARCH ESO ISS AMBI TEMP 14.63
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45