12160+4807 HU  736

 
 
12h 16m 00.42s +48 06' 58.4" P.A. 180 sep 0.33 mag 9.57,9.99 Sp F8 dist. 123.15 pc (401.72 l.y.)
 
 
Coord 2000
12160+4807
Discov num
HU  736
Comp
Coord arcsec 2000
12 16 00.42 +48 06 58.4
Date first
1904
Date last
2008
Obs
40
Pa first
81
Pa last
189
P.A. Now (θ)
180°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.33"
Mag pri
9.57
Mag sec
9.99
delta mag (ΔM)
0.42
Spectral class
F8 (yellow-white)
Pri motion ra
+016
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.3
Precise sep
0.308
Constellation
Canes Venatici
SAO
44096
HIP
59820
Tycho2
3455-00557-1
HD
106689
ADS
8485
BD
BD+48 2010
Distance
123.15
Distance ly
401.72
last precise pa
189.3
last precise sep
0.308
 
 
ORBITAL ELEMENTS
 
 
Period (P)245.47y Periastron (T)1949.77y Semi-major axis (a)0.305a
Eccentricity (e)0.427 Inclination (i)153.4° Longitude of periastron (ω)314.7°
Node (Ω)275.9° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.291 200.5
2001 0.293 199.2
2002 0.296 197.9
2003 0.298 196.6
2004 0.300 195.4
2005 0.303 194.2
2006 0.305 193.0
2007 0.308 191.8
2008 0.310 190.7
2009 0.312 189.5
2010 0.315 188.4
2011 0.317 187.3
2012 0.319 186.2
2013 0.322 185.1
2014 0.324 184.1
2015 0.326 183.0
2016 0.329 182.0
2017 0.331 181.0
2018 0.333 180.0
2019 0.335 179.0
2020 0.337 178.0
2021 0.340 177.1
2022 0.342 176.1
2023 0.344 175.2
2024 0.346 174.3
2025 0.348 173.3
2026 0.350 172.4
2027 0.352 171.5
2028 0.354 170.7
2029 0.356 169.8
2030 0.358 168.9

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

grafico orbita





wds12160%2B4807a.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
12160+4807 HU 736 1997 36 203 0.3 9.57 9.99 F8 NO 121600.42+480658.4
12160+4807 HU 736 2007 37 191 0.3 9.57 9.99 F8 NO 121600.42+480658.4
12160+4807 HU 736 2008 40 189 0.3 9.57 9.99 F8 NO 121600.42+480658.4

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