00520+3154 A   924

 
 
00h 52m 01.02s +31 53' 59.3" P.A. 303 sep 0.31 mag 9.80,9.90 Sp F8
 
 
Coord 2000
00520+3154
Discov num
A   924
Comp
Coord arcsec 2000
00 52 01.02 +31 53 59.3
Date first
1905
Date last
2009
Obs
25
Pa first
254
Pa last
316
P.A. Now (θ)
303°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.31"
Mag pri
9.80
Mag sec
9.90
delta mag (ΔM)
0.1
Spectral class
F8 (yellow-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
+013
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315.6
Precise sep
0.28
Constellation
Pisces
SAO
54212
Tycho2
2280-01106-1
ADS
705
last precise pa
315.6
last precise sep
0.28
 
 
ORBITAL ELEMENTS
 
 
Period (P)182.57y± 16.74 Periastron (T)1986.54y± 0.53 Semi-major axis (a)0.296a± 0.001
Eccentricity (e)0.704± 0.021 Inclination (i)154.2°± 6.2 Longitude of periastron (ω)318.2°± 17.6
Node (Ω)44.8°± 18.1 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2007
label rho theta
2000 0.182 337.9
2001 0.190 334.7
2002 0.197 331.8
2003 0.205 329.1
2004 0.212 326.5
2005 0.220 324.2
2006 0.227 321.9
2007 0.234 319.9
2008 0.241 317.9
2009 0.248 316.1
2010 0.255 314.3
2011 0.262 312.7
2012 0.268 311.1
2013 0.275 309.6
2014 0.281 308.2
2015 0.287 306.8
2016 0.293 305.5
2017 0.299 304.2
2018 0.305 303.0
2019 0.311 301.9
2020 0.317 300.7
2021 0.322 299.7
2022 0.328 298.6
2023 0.333 297.6
2024 0.338 296.6
2025 0.343 295.7
2026 0.348 294.7
2027 0.353 293.8
2028 0.358 293.0
2029 0.363 292.1
2030 0.367 291.3

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

grafico orbita





wds00520%2B3154d.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
00520+3154 A 924 1996 20 351 0.1 9.80 9.90 F8 O 005201.02+315359.3
00520+3154 A 924 2007 22 319 0.3 9.80 9.90 F8 O 005201.02+315359.3
00520+3154 A 924 2008 24 133 0.3 9.80 9.90 F8 O 005201.02+315359.3
00520+3154 A 924 2009 25 316 0.3 9.80 9.90 F8 O 005201.02+315359.3

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