15343+1616 LIM   7

 
 
15h 34m 17.06s +16 15' 46.7" P.A. 46.60 sep 0.1 mag 16.40,17.60 Sp T1.5+T5.5
 
 
Coord 2000
15343+1616
Discov num
LIM   7
Comp
Coord arcsec 2000
15 34 17.06 +16 15 46.7
Date first
2005
Date last
2015
Obs
7
Pa first
288
Pa last
7
P.A. Now (θ)
46.6°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.13"
Mag pri
16.40
Mag sec
17.60
delta mag (ΔM)
1.2
Spectral class
T1.5+T5.5 (brown dwarf/brown dwarf)
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.6
Precise sep
0.119
Constellation
Serpens
last precise pa
6.6
last precise sep
0.119
 
 
ORBITAL ELEMENTS
 
 
Period (P)48y± 39 Periastron (T)70000d (2050.529y) Semi-major axis (a)130m± 60
Eccentricity (e)0.11± 0.22 Inclination (i)28°± 15 Longitude of periastron (ω)128°± 42
Node (Ω)132°± 19 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2015
label rho theta
2000 0.104 238.1
2001 0.105 248.4
2002 0.106 258.4
2003 0.109 268.0
2004 0.111 277.2
2005 0.114 286.0
2006 0.116 294.5
2007 0.118 302.6
2008 0.120 310.4
2009 0.121 318.1
2010 0.122 325.6
2011 0.123 333.0
2012 0.123 340.3
2013 0.123 347.7
2014 0.123 355.1
2015 0.123 2.5
2016 0.122 9.9
2017 0.122 17.3
2018 0.123 24.7
2019 0.123 32.1
2020 0.124 39.4
2021 0.125 46.6
2022 0.126 53.7
2023 0.128 60.6
2024 0.129 67.3
2025 0.131 73.8
2026 0.133 80.2
2027 0.135 86.4
2028 0.136 92.4
2029 0.138 98.4
2030 0.139 104.2


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



 
 


wds15343%2B1616a.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
15343+1616 LIM 7 2005 1 288 0.1 16.40 17.60 T1.5 T5.5 N K 153417.06+161546.7

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