17271+5153 BLL  30

 
 
17h 27m 04.14s +51 53' 14.5" P.A. 105 sep 124.8 mag 8.32,11.95 Sp K5 dist. 628.93 pc (2051.57 l.y.)
 
 
Coord 2000
17271+5153
Discov num
BLL  30
Comp
Coord arcsec 2000
17 27 04.14 +51 53 14.5
Date first
1879
Date last
2010
Obs
9
Pa first
106
Pa last
105
P.A. Now (θ)
105°
Sep first
123.2
Sep last
124.8
Sep. Now (ρ)
124.8"
Mag pri
8.32
Mag sec
11.95
delta mag (ΔM)
3.63
Spectral class
K5 (yellow-orange)
Pri motion ra
+007
Sec motion ra
+017
Pri motion dec
-001
Sec motion dec
-009
Notes
rPM=0.666
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.3
Precise sep
124.83
Constellation
Draco
SAO
30390
HIP
85401
Tycho2
3521-00063-1
HD
158519
BD
BD+52 2058
Distance
628.93
Distance ly
2051.57
last precise pa
105.3
last precise sep
124.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17271+5153 BLL 30 1998 7 105 124.7 8.32 12.04 K5 D 172704.14+515314.5
17271+5153 BLL 30 2003 8 105 124.6 8.32 12.04 K5 D 172704.14+515314.5
17271+5153 BLL 30 2010 9 105 125.1 8.32 11.95 K5 172704.14+515314.5

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