15521+1052 BAG   7

 
 
15h 52m 08.24s +10 52' 28.0" P.A. 52 sep 0.1 mag 9.70,11.16 Sp M0 dist. 22.47 pc (73.3 l.y.)
 
 
Coord 2000
15521+1052
Discov num
BAG   7
Comp
Coord arcsec 2000
15 52 08.24 +10 52 28.0
Date first
1990
Date last
2015
Obs
20
Pa first
16
Pa last
52
P.A. Now (θ)
52°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.70
Mag sec
11.16
delta mag (ΔM)
1.46
Spectral class
M0 (red)
Pri motion ra
-262
Sec motion ra
Pri motion dec
-237
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.7
Precise sep
0.104
Constellation
Serpens
SAO
101784
HIP
77725
Tycho2
0947-00387-1
GL
Gl 600
BD
BD+11 2874
Distance
22.47
Distance ly
73.3
last precise pa
51.7
last precise sep
0.104
 
 
ORBITAL ELEMENTS
 
 
Period (P)1014.5d (2.78y)± 3 Periastron (T)50828.1d (1998.038y)± 11.2 Semi-major axis (a)0.1a± 0.004
Eccentricity (e)0.367± 0.017 Inclination (i)37.9°± 3.7 Longitude of periastron (ω)339.6°± 4.9
Node (Ω)286.9°± 2.9 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1997
label rho theta
2000-01-01 0.117 122.9
2001-01-01 0.067 312.4
2002-01-01 0.127 79.1
2003-01-01 0.096 141.4
2004-01-01 0.072 357.2
2005-01-01 0.134 91.5
2006-01-01 0.070 172.9
2007-01-01 0.086 31.9
2008-01-01 0.134 103.2
2009-01-01 0.057 229.9
2010-01-01 0.104 55.5
2011-01-01 0.125 115.7
2012-01-01 0.065 288.1
2013-01-01 0.120 72.2
2014-01-01 0.108 131.3
2015-01-01 0.068 335.7
2016-01-01 0.131 85.5
2017-01-01 0.083 154.8
2018-01-01 0.078 16.3
2019-01-01 0.135 97.4
2020-01-01 0.060 198.5
2021-01-01 0.095 44.9
2022-01-01 0.130 109.3
2023-01-01 0.060 261.2
2024-01-01 0.113 64.5
2025-01-01 0.117 123.0
2026-01-01 0.067 312.7
2027-01-01 0.127 79.2
2028-01-01 0.096 141.6
2029-01-01 0.072 357.4
2030-01-01 0.134 91.6

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

grafico orbita





wds15521%2B1052a.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
15521+1052 BAG 7 2004 7 191 0.1 9.70 11.16 M0 NOD 155208.39+105230.2
15521+1052 BAG 7 2007 8 242 0.1 9.70 11.16 M0 NOD 155208.39+105230.2
15521+1052 BAG 7 2010 9 88 0.1 9.70 11.16 M0 NOD 155208.39+105230.2
15521+1052 BAG 7 2014 13 156 0.1 9.70 11.16 M0 NO 155208.39+105230.2
15521+1052 BAG 7 2015 16 52 0.1 9.70 11.16 M0 NO 155208.39+105230.2

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