11080+5249 STF1510

 
 
11h 08m 00.06s +52 49' 17.9" P.A. 328.1 sep 5.48 mag 7.65,9.03 Sp F8V dist. 55.96 pc (182.54 l.y.)
 
 
Coord 2000
11080+5249
Discov num
STF1510
Comp
Coord arcsec 2000
11 08 00.06 +52 49 17.9
Date first
1830
Date last
2013
Obs
80
Pa first
346
Pa last
328
P.A. Now (θ)
328.1°
Sep first
4.4
Sep last
5.5
Sep. Now (ρ)
5.48"
Mag pri
7.65
Mag sec
9.03
delta mag (ΔM)
1.38
Spectral class
F8V (yellow-white)
Pri motion ra
-061
Sec motion ra
-072
Pri motion dec
-003
Sec motion dec
+003
Notes
O (Orbital solution)
rPM=0.174 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.1
Precise sep
5.513
Constellation
Ursa Major
SAO
27918
HIP
54407
Tycho2
3824-00017-1
HD
96527
ADS
8065
BD
BD+53 1466
Distance
55.96
Distance ly
182.54
last precise pa
328.1
last precise sep
5.513
 
 
ORBITAL ELEMENTS
 
 
Period (P)6600y± 3900 Periastron (T)1565y± 45 Semi-major axis (a)7.9a± 3
Eccentricity (e)0.85± 0.03 Inclination (i)165°± 18 Longitude of periastron (ω)305°± 80
Node (Ω)49°± 85 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2007
label rho theta
2000 5.341 329.1
2001 5.350 329.1
2002 5.358 329.0
2003 5.366 329.0
2004 5.374 328.9
2005 5.382 328.8
2006 5.390 328.8
2007 5.399 328.7
2008 5.407 328.7
2009 5.415 328.6
2010 5.423 328.5
2011 5.431 328.5
2012 5.439 328.4
2013 5.447 328.4
2014 5.455 328.3
2015 5.463 328.2
2016 5.472 328.2
2017 5.480 328.1
2018 5.488 328.1
2019 5.496 328.0
2020 5.504 328.0
2021 5.512 327.9
2022 5.520 327.8
2023 5.528 327.8
2024 5.536 327.7
2025 5.544 327.7
2026 5.552 327.6
2027 5.560 327.6
2028 5.568 327.5
2029 5.576 327.5
2030 5.584 327.4

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

grafico orbita





wds11080%2B5249b.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
11080+5249 STF1510 2008 63 330 5.4 7.65 9.03 F8V D 110800.06+524917.9
11080+5249 STF1510 2010 74 326 4.6 7.65 9.03 F8V O 110800.06+524917.9
11080+5249 STF1510 2013 80 328 5.5 7.65 9.03 F8V O 110800.06+524917.9

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