02169+5357 HJ 2121

 
 
02h 16m 50.65s +54 08' 04.5" P.A. 343 sep 14 mag 10.53,11.16
 
 
Coord 2000
02169+5357
Discov num
HJ 2121
Comp
Coord arcsec 2000
02 16 50.65 +54 08 04.5
Date first
1831
Date last
2015
Obs
7
Pa first
345
Pa last
343
P.A. Now (θ)
343°
Sep first
15.0
Sep last
14.0
Sep. Now (ρ)
14"
Mag pri
10.53
Mag sec
11.16
delta mag (ΔM)
0.63
Spectral class
Pri motion ra
+006
Sec motion ra
+008
Pri motion dec
-015
Sec motion dec
-006
Notes
rPM=0.571
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
342.8
Precise sep
14
Cdsa2 id
HJ 2121
Constellation
Perseus
Tycho2
3686-01941-1
Ra deg
2.280736111111111
De deg
54.13458333333333
last precise pa
342.8
last precise sep
14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02169+5357 HJ 2121 1908 2 342 12.7 10.90 11.10 X 021606.67+535700.0
02169+5357 HJ 2121 1999 4 343 13.7 10.50 11.00 D 021650.65+540804.5
02169+5357 HJ 2121 2000 3 343 13.7 10.50 11.00 021650.65+540804.5
02169+5357 HJ 2121 2002 5 343 13.8 10.50 11.00 D 021650.65+540804.5
02169+5357 HJ 2121 2011 6 343 13.9 10.50 11.00 D 021650.65+540804.5
02169+5357 HJ 2121 2015 8 343 14.0 10.53 11.16 021650.65+540804.5

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