15206+4656 HDS2155AB

 
 
15h 20m 37.43s +46 55' 32.5" P.A. 195.00 sep 1.0 mag 8.21,11.80 Sp K0 dist. 366.3 pc (1194.87 l.y.)
 
 
Coord 2000
15206+4656
Discov num
HDS2155
Comp
AB
Coord arcsec 2000
15 20 37.43 +46 55 32.5
Date first
1991
Date last
2011
Obs
3
Pa first
191
Pa last
195
P.A. Now (θ)
195°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
8.21
Mag sec
11.80
delta mag (ΔM)
3.59
Spectral class
K0 (yellow-orange)
Pri motion ra
+004
Sec motion ra
+003
Pri motion dec
-012
Sec motion dec
-015
Notes
W
rPM=0.207 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.6
Precise sep
1.01
Constellation
Bootes
SAO
45498
HIP
75086
Tycho2
3482-00353-1
HD
136579
BD
BD+47 2218
Distance
366.3
Distance ly
1194.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15206+4656 HDS2155 AB 1991 2 192 1.0 8.21 11.80 K0 W 152037.43+465532.5

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