12533+2115 STF1687AB (35 Com)

 
 
12h 53m 17.77s +21 14' 42.1" P.A. 199.3 sep 1.17 mag 5.15,7.08 Sp G7III dist. 86.81 pc (283.17 l.y.)
 
 
Coord 2000
12533+2115
Discov num
STF1687
Comp
AB
Coord arcsec 2000
12 53 17.77 +21 14 42.1
Date first
1829
Date last
2015
Obs
388
Pa first
25
Pa last
198
P.A. Now (θ)
199.3°
Sep first
1.4
Sep last
1.2
Sep. Now (ρ)
1.17"
Mag pri
5.15
Mag sec
7.08
delta mag (ΔM)
1.93
Spectral class
G7III (yellow)
Pri motion ra
-048
Sec motion ra
-048
Pri motion dec
-027
Sec motion dec
-027
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
12533+2115 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 35 Com 82550 12533+2115 STF1687 AB 1829 2015 388 199 1.2 5.15 7.08 1.93 Y <===
Show 82550 12533+2115 STF1687 AC 1783 2016 109 127 28.5 5.15 9.76 4.61
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.6
Precise sep
1.2
Name
35 Com
Constellation
Coma Berenices
SAO
82550
HIP
62886
Tycho2
1455-01412-1
HD
112033
HR
4894
GC
17493
ADS
8695
BD
BD+22 2519
Flamsteed
35 Comae Berenices
Flamsteed name
35 Com
Distance
86.81
Distance ly
283.17
last precise pa
197.6
last precise sep
1.2
 
 
ORBITAL ELEMENTS
 
 
Period (P)539.4y± 95.4 Periastron (T)1949.4y± 7.9 Semi-major axis (a)1.405a± 0.046
Eccentricity (e)0.208± 0.1 Inclination (i)28.4°± 13.4 Longitude of periastron (ω)251.6°± 7.3
Node (Ω)238.7°± 2.7 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2011
label rho theta
2000 1.086 184.1
2001 1.091 185.0
2002 1.095 186.0
2003 1.100 186.9
2004 1.105 187.8
2005 1.109 188.8
2006 1.114 189.7
2007 1.119 190.6
2008 1.124 191.5
2009 1.129 192.4
2010 1.134 193.3
2011 1.139 194.2
2012 1.144 195.0
2013 1.149 195.9
2014 1.154 196.7
2015 1.159 197.6
2016 1.165 198.4
2017 1.170 199.3
2018 1.175 200.1
2019 1.180 200.9
2020 1.185 201.7
2021 1.190 202.5
2022 1.196 203.3
2023 1.201 204.1
2024 1.206 204.9
2025 1.211 205.7
2026 1.216 206.4
2027 1.222 207.2
2028 1.227 208.0
2029 1.232 208.7
2030 1.237 209.4

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

grafico orbita





wds12533%2B2115b.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
12533+2115 STF1687 AB 2007 368 191 1.0 5.15 7.08 G7III NOD 125317.77+211442.1
12533+2115 STF1687 AB 2009 370 189 1.1 5.15 7.08 G7III NOD 125317.77+211442.1
12533+2115 STF1687 AB 2010 380 194 1.1 5.15 7.08 G7III NOD 125317.77+211442.1
12533+2115 STF1687 AB 2012 382 194 1.2 5.15 7.08 G7III NOD 125317.77+211442.1
12533+2115 STF1687 AB 2014 387 198 1.2 5.15 7.08 G7III NOD 125317.77+211442.1
12533+2115 STF1687 AB 2015 388 198 1.2 5.15 7.08 G7III NO 125317.77+211442.1

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