Exposure
ID
PIONI.2025-07-23T05:05:26.515_1
Header ID
PIONI.2025-07-23T05:05:26.515
Date updated
2025-07-23 05:10:43 UTC+0000
Release date
2026-07-23 05:10:43 UTC+0000
UTC Start
2025-07-23 05:05:26.515
UTC End
2025-07-23 05:06:04.915
MJD Start
60879.2121124365
MJD End
60879.21255688094
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005234
Ambient temperature (°C)
13.68
Seeing (arcsec)
0.505
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 84.0180 83.9310 127.8000 128.0000
A0-J2 118.3420 118.1760 102.7000 102.8000
A0-K0 118.8570 118.7040 79.1760 79.2330
G1-J2 55.2860 55.2330 62.6000 62.6000
G1-K0 89.4250 89.3990 34.3030 34.3510
J2-K0 48.4430 48.4440 1.5540 1.6430
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 60879.2121124365
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 84.018
HIERARCH ESO ISS PBL12 END 83.931
HIERARCH ESO ISS PBLA12 START 127.8
HIERARCH ESO ISS PBLA12 END 128.0
HIERARCH ESO ISS PBL13 START 118.342
HIERARCH ESO ISS PBL13 END 118.176
HIERARCH ESO ISS PBLA13 START 102.7
HIERARCH ESO ISS PBLA13 END 102.8
HIERARCH ESO ISS PBL14 START 118.857
HIERARCH ESO ISS PBL14 END 118.704
HIERARCH ESO ISS PBLA14 START 79.176
HIERARCH ESO ISS PBLA14 END 79.233
HIERARCH ESO ISS PBL23 START 55.286
HIERARCH ESO ISS PBL23 END 55.233
HIERARCH ESO ISS PBLA23 START 62.6
HIERARCH ESO ISS PBLA23 END 62.6
HIERARCH ESO ISS PBL24 START 89.425
HIERARCH ESO ISS PBL24 END 89.399
HIERARCH ESO ISS PBLA24 START 34.303
HIERARCH ESO ISS PBLA24 END 34.351
HIERARCH ESO ISS PBL34 START 48.443
HIERARCH ESO ISS PBL34 END 48.444
HIERARCH ESO ISS PBLA34 START 1.554
HIERARCH ESO ISS PBLA34 END 1.643
HIERARCH ESO ISS AMBI TAU0 START 0.004666
HIERARCH ESO ISS AMBI TAU0 END 0.005802
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.47