12060+6842 STF3123AB

 
 
12h 06m 01.37s +68 41' 55.5" P.A. 191.7 sep 0.31 mag 8.01,7.90 Sp F6V dist. 126.58 pc (412.9 l.y.)
 
 
Coord 2000
12060+6842
Discov num
STF3123
Comp
AB
Coord arcsec 2000
12 06 01.37 +68 41 55.5
Date first
1831
Date last
2012
Obs
140
Pa first
291
Pa last
202
P.A. Now (θ)
191.7°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.31"
Mag pri
8.01
Mag sec
7.90
delta mag (ΔM)
0.11
Spectral class
F6V (yellow-white)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-030
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
12060+6842 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15713 12060+6842 STF3123 AB 1831 2012 140 192 0.3 8.01 7.90 0.11 Y <===
Show 15713 12060+6842 STF3123 AB,C 1895 1924 6 308 3.0 7.20 15.70 8.50
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
201.9
Precise sep
0.284
Constellation
Draco
SAO
15713
HIP
59017
Tycho2
4393-01886-1
HD
105122
ADS
8419
BD
BD+69 644
Distance
126.58
Distance ly
412.9
last precise pa
201.9
last precise sep
0.284
 
 
ORBITAL ELEMENTS
 
 
Period (P)122.3y± 1.4 Periastron (T)1981.49y± 0.24 Semi-major axis (a)0.2959a± 0.0042
Eccentricity (e)0.4859± 0.0039 Inclination (i)143.2°± 1.4 Longitude of periastron (ω)303.8°± 2.6
Node (Ω)284.8°± 1.6 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.240 235.2
2001 0.244 232.2
2002 0.248 229.2
2003 0.252 226.3
2004 0.256 223.5
2005 0.260 220.8
2006 0.264 218.1
2007 0.268 215.6
2008 0.271 213.1
2009 0.275 210.7
2010 0.279 208.3
2011 0.283 206.1
2012 0.287 203.8
2013 0.291 201.7
2014 0.295 199.6
2015 0.298 197.5
2016 0.302 195.5
2017 0.306 193.6
2018 0.310 191.7
2019 0.313 189.8
2020 0.317 188.0
2021 0.321 186.2
2022 0.324 184.5
2023 0.328 182.8
2024 0.331 181.1
2025 0.335 179.5
2026 0.338 177.9
2027 0.341 176.3
2028 0.345 174.8
2029 0.348 173.3
2030 0.351 171.8

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

grafico orbita





wds12060%2B6842a.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
12060+6842 STF3123 AB 2004 134 224 0.3 8.01 7.90 F6V NO 120601.37+684155.5
12060+6842 STF3123 AB 2007 138 215 0.3 8.01 7.90 F6V NOD 120601.37+684155.5
12060+6842 STF3123 AB 2008 139 212 0.3 8.01 7.90 F6V NOD 120601.37+684155.5
12060+6842 STF3123 AB 2011 139 206 0.3 8.01 7.90 F6V NO 120601.37+684155.5
12060+6842 STF3123 AB 2012 140 202 0.3 8.01 7.90 F6V NO 120601.37+684155.5

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