15509+5858 LDS6307

 
 
15h 50m 46.04s +58 57' 55.4" P.A. 31 sep 39.5 mag 11.25,16.11 Sp K7V
 
 
Coord 2000
15509+5858
Discov num
LDS6307
Comp
Coord arcsec 2000
15 50 46.04 +58 57 55.4
Date first
1960
Date last
2010
Obs
4
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
40.0
Sep last
39.5
Sep. Now (ρ)
39.5"
Mag pri
11.25
Mag sec
16.11
delta mag (ΔM)
4.86
Spectral class
K7V (yellow-orange)
Pri motion ra
-232
Sec motion ra
-233
Pri motion dec
-049
Sec motion dec
-046
Notes
rPM=0.013 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
30.6
Precise sep
39.5
Constellation
Draco
Tycho2
3876-00259-1
last precise pa
30.6
last precise sep
39.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15509+5858 LDS6307 1999 2 31 39.9 11.25 15.90 D 155046.04+585755.4
15509+5858 LDS6307 2003 3 31 39.5 11.25 15.90 D 155046.04+585755.4
15509+5858 LDS6307 2010 4 31 39.5 11.25 16.11 K7V 155046.04+585755.4

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