09371+1614 STF1372

 
 
09h 37m 07.57s +16 13' 33.3" P.A. 252.3 sep 0.32 mag 8.50,8.60 Sp F8 dist. 147.06 pc (479.71 l.y.)
 
 
Coord 2000
09371+1614
Discov num
STF1372
Comp
Coord arcsec 2000
09 37 07.57 +16 13 33.3
Date first
1829
Date last
2016
Obs
77
Pa first
53
Pa last
250
P.A. Now (θ)
252.3°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.32"
Mag pri
8.50
Mag sec
8.60
delta mag (ΔM)
0.1
Spectral class
F8 (yellow-white)
Pri motion ra
-054
Sec motion ra
Pri motion dec
-052
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250
Precise sep
0.319
Cdsa2 id
STF 1372
Constellation
Leo
SAO
98674
HIP
47196
Tycho2
1410-00195-1
HD
83190
ADS
7456
BD
BD+16 1997
Ra deg
9.618769444444444
De deg
16.225916666666667
Distance
147.06
Distance ly
479.71
last precise pa
250
last precise sep
0.319
 
 
ORBITAL ELEMENTS
 
 
Period (P)371y Periastron (T)1993.5y Semi-major axis (a)0.645a
Eccentricity (e)0.696 Inclination (i)80.4° Longitude of periastron (ω)113.4°
Node (Ω)64.9° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2003
label rho theta
2000 0.207 241.1
2001 0.222 242.2
2002 0.235 243.1
2003 0.247 243.9
2004 0.257 244.7
2005 0.267 245.4
2006 0.275 246.0
2007 0.283 246.7
2008 0.290 247.2
2009 0.295 247.8
2010 0.300 248.4
2011 0.305 248.9
2012 0.309 249.4
2013 0.312 249.9
2014 0.314 250.4
2015 0.317 250.9
2016 0.318 251.4
2017 0.320 251.8
2018 0.320 252.3
2019 0.321 252.8
2020 0.321 253.2
2021 0.321 253.7
2022 0.321 254.2
2023 0.320 254.6
2024 0.319 255.1
2025 0.318 255.6
2026 0.317 256.1
2027 0.315 256.6
2028 0.314 257.0
2029 0.312 257.5
2030 0.310 258.0

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds09371%2B1614a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09371+1614 STF1372 2007 73 245 0.3 8.50 8.60 F8 O 093707.57+161333.3
09371+1614 STF1372 2008 76 246 0.3 8.50 8.60 F8 O 093707.57+161333.3
09371+1614 STF1372 2016 77 250 0.3 8.50 8.60 F8 O 093707.57+161333.3

If you need more information about this double, apply for a data request form to the WDS.