Exposure
ID
PIONI.2025-07-23T05:06:16.975_1
Header ID
PIONI.2025-07-23T05:06:16.975
Date updated
2025-07-23 05:15:55 UTC+0000
Release date
2026-07-23 05:15:54 UTC+0000
UTC Start
2025-07-23 05:06:16.975
UTC End
2025-07-23 05:06:55.375
MJD Start
60879.2126964675
MJD End
60879.21314091194
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005802
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.47
Observation
ID
68861
Category
science
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
51230
Name
HD173282
RA
281.326708
DEC
-21.00179
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 83.9270 83.8380 128.0000 128.1000
A0-J2 118.1690 117.9980 102.8000 102.9000
A0-K0 118.6980 118.5400 79.2360 79.2940
G1-J2 55.2310 55.1760 62.6000 62.7000
G1-K0 89.3980 89.3720 34.3530 34.4010
J2-K0 48.4440 48.4440 1.6470 1.7370
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60879.2126964675
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD173282
RA 281.326708
DEC -21.00179
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 83.927
HIERARCH ESO ISS PBL12 END 83.838
HIERARCH ESO ISS PBLA12 START 128.0
HIERARCH ESO ISS PBLA12 END 128.1
HIERARCH ESO ISS PBL13 START 118.169
HIERARCH ESO ISS PBL13 END 117.998
HIERARCH ESO ISS PBLA13 START 102.8
HIERARCH ESO ISS PBLA13 END 102.9
HIERARCH ESO ISS PBL14 START 118.698
HIERARCH ESO ISS PBL14 END 118.54
HIERARCH ESO ISS PBLA14 START 79.236
HIERARCH ESO ISS PBLA14 END 79.294
HIERARCH ESO ISS PBL23 START 55.231
HIERARCH ESO ISS PBL23 END 55.176
HIERARCH ESO ISS PBLA23 START 62.6
HIERARCH ESO ISS PBLA23 END 62.7
HIERARCH ESO ISS PBL24 START 89.398
HIERARCH ESO ISS PBL24 END 89.372
HIERARCH ESO ISS PBLA24 START 34.353
HIERARCH ESO ISS PBLA24 END 34.401
HIERARCH ESO ISS PBL34 START 48.444
HIERARCH ESO ISS PBL34 END 48.444
HIERARCH ESO ISS PBLA34 START 1.647
HIERARCH ESO ISS PBLA34 END 1.737
HIERARCH ESO ISS AMBI TAU0 START 0.005802
HIERARCH ESO ISS AMBI TAU0 END 0.005802
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47