15006+0836 YSC   8AB

15h 00m 34.99s +08 36' 00.5" P.A. 161.80 sep 0.1 mag 7.50,9.40 Sp G0 dist. 39.23 pc (127.97 l.y.)

Coord 2000
15006+0836
Discov num
YSC   8
Comp
AB
Coord arcsec 2000
15 00 34.99 +08 36 00.5
Date first
2004
Date last
2019
Obs
24
Pa first
316
Pa last
308
P.A. Now (θ)
161.8°
Sep first
0.2
Sep last
0.0
Sep. Now (ρ)
0.07"
Mag pri
7.50
Mag sec
9.40
delta mag (ΔM)
1.9
Spectral class
G0 (yellow)
Pri motion ra
-110
Sec motion ra
Pri motion dec
-318
Sec motion dec
Notes
O W (Orbital solution, )


Visually invisible, K-band or other infrared star This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
308
Precise sep
0.034
Constellation
Bootes
HIP
73449
Tycho2
0919-01213-1
HD
132756
BD
BD+09 2983
Distance
39.23
Distance ly
127.97
last precise pa
308
last precise sep
0.034




ORBITAL ELEMENTS

Period (P)6.94y Periastron (T)2016.879y Semi-major axis (a)0.117a
Eccentricity (e)0.374 Inclination (i)96.3° Longitude of periastron (ω)99.3°
Node (Ω)149.2° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018

label rho theta
2000 0.060 164.8
2001 0.108 154.4
2002 0.103 148.7
2003 0.014 2.7
2004 0.101 327.6
2005 0.075 319.1
2006 0.019 262.9
2007 0.064 163.7
2008 0.110 154.0
2009 0.100 148.2
2010 0.023 349.2
2011 0.101 327.2
2012 0.072 318.3
2013 0.018 249.9
2014 0.067 162.7
2015 0.112 153.7
2016 0.096 147.8
2017 0.031 343.0
2018 0.102 326.8
2019 0.068 317.5
2020 0.018 235.9
2021 0.071 161.8
2022 0.113 153.3
2023 0.092 147.3
2024 0.039 339.5
2025 0.102 326.4
2026 0.065 316.5
2027 0.018 222.3
2028 0.074 161.0
2029 0.114 153.0
2030 0.087 146.8

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






wds15006%2B0836a.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
15006+0836 YSC 8 AB 2019 24 308 0.0 7.50 9.40 G0 OW 150034.99+083600.5

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