Exposure
ID
PIONI.2025-07-21T06:34:27.435_1
Header ID
PIONI.2025-07-21T06:34:27.435
Date updated
2025-07-21 06:45:48 UTC+0000
Release date
2025-07-21 06:34:27 UTC+0000
UTC Start
2025-07-21 06:34:27.435
UTC End
2025-07-21 06:35:05.835
MJD Start
60877.2739286488
MJD End
60877.27437309324
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006119
Ambient temperature (°C)
14.91
Seeing (arcsec)
0.5
Observation
ID
68862
Category
calibrator
Program ID
115.28F2.003
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
51231
Name
HD173036
RA
281.01816
DEC
-18.7643
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 72.0640 71.9500 141.9000 142.0000
A0-J2 94.7060 94.4300 112.3000 112.4000
A0-K0 97.1360 96.8610 83.0990 83.1440
G1-J2 47.8510 47.7520 64.3000 64.3000
G1-K0 85.8560 85.7980 37.2280 37.2420
J2-K0 48.4300 48.4330 10.4890 10.5710
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60877.2739286488
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173036
RA 281.01816
DEC -18.7643
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 72.064
HIERARCH ESO ISS PBL12 END 71.95
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 94.706
HIERARCH ESO ISS PBL13 END 94.43
HIERARCH ESO ISS PBLA13 START 112.3
HIERARCH ESO ISS PBLA13 END 112.4
HIERARCH ESO ISS PBL14 START 97.136
HIERARCH ESO ISS PBL14 END 96.861
HIERARCH ESO ISS PBLA14 START 83.099
HIERARCH ESO ISS PBLA14 END 83.144
HIERARCH ESO ISS PBL23 START 47.851
HIERARCH ESO ISS PBL23 END 47.752
HIERARCH ESO ISS PBLA23 START 64.3
HIERARCH ESO ISS PBLA23 END 64.3
HIERARCH ESO ISS PBL24 START 85.856
HIERARCH ESO ISS PBL24 END 85.798
HIERARCH ESO ISS PBLA24 START 37.228
HIERARCH ESO ISS PBLA24 END 37.242
HIERARCH ESO ISS PBL34 START 48.43
HIERARCH ESO ISS PBL34 END 48.433
HIERARCH ESO ISS PBLA34 START 10.489
HIERARCH ESO ISS PBLA34 END 10.571
HIERARCH ESO ISS AMBI TAU0 START 0.006119
HIERARCH ESO ISS AMBI TAU0 END 0.006119
HIERARCH ESO ISS AMBI TEMP 14.91
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.57