13313+2857 HJ  531

 
 
13h 31m 15.16s +28 57' 14.4" P.A. 42 sep 35.8 mag 9.32,13.37 Sp K3III
 
 
Coord 2000
13313+2857
Discov num
HJ  531
Comp
Coord arcsec 2000
13 31 15.16 +28 57 14.4
Date first
1827
Date last
2010
Obs
10
Pa first
45
Pa last
42
P.A. Now (θ)
42°
Sep first
22.5
Sep last
35.8
Sep. Now (ρ)
35.8"
Mag pri
9.32
Mag sec
13.37
delta mag (ΔM)
4.05
Spectral class
K3III (yellow-orange)
Pri motion ra
-029
Sec motion ra
-015
Pri motion dec
-020
Sec motion dec
-042
Notes
L (Linear solution)
rPM=0.585
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
41.6
Precise sep
35.81
Constellation
Canes Venatici
Tycho2
2003-00188-1
last precise pa
41.6
last precise sep
35.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13313+2857 HJ 531 2002 7 42 36.0 9.17 12.20 K3III LD 133115.16+285714.4
13313+2857 HJ 531 2010 10 42 35.8 9.32 13.37 K3III L 133115.16+285714.4

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