13164+4202 HJ 1230

 
 
13h 16m 23.98s +42 01' 56.7" P.A. 170 sep 16.4 mag 12.50,12.90
 
 
Coord 2000
13164+4202
Discov num
HJ 1230
Comp
Coord arcsec 2000
13 16 23.98 +42 01 56.7
Date first
1828
Date last
2016
Obs
15
Pa first
290
Pa last
170
P.A. Now (θ)
170°
Sep first
12.0
Sep last
16.4
Sep. Now (ρ)
16.4"
Mag pri
12.50
Mag sec
12.90
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+003
Sec motion ra
+023
Pri motion dec
-004
Sec motion dec
-008
Notes
N (See Notes)
rPM=0.838
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
169.8
Precise sep
16.418
Constellation
Canes Venatici
last precise pa
169.8
last precise sep
16.418
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13164+4202 HJ 1230 2006 6 170 16.4 10.50 11.00 N D 131623.98+420156.7
13164+4202 HJ 1230 2011 8 170 16.2 10.50 11.00 N D 131623.98+420156.7
13164+4202 HJ 1230 2014 11 169 16.5 10.50 11.00 N 131623.98+420156.7
13164+4202 HJ 1230 2016 15 170 16.4 12.50 12.90 N 131623.98+420156.7

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