15575+3231 HJ  578

 
 
15h 57m 30.22s +32 30' 22.5" P.A. 164 sep 10 mag 11.89,13.40
 
 
Coord 2000
15575+3231
Discov num
HJ  578
Comp
Coord arcsec 2000
15 57 30.22 +32 30 22.5
Date first
1827
Date last
2010
Obs
6
Pa first
170
Pa last
164
P.A. Now (θ)
164°
Sep first
3.5
Sep last
10.0
Sep. Now (ρ)
10"
Mag pri
11.89
Mag sec
13.40
delta mag (ΔM)
1.51
Spectral class
Pri motion ra
-015
Sec motion ra
+007
Pri motion dec
-019
Sec motion dec
+009
Notes
rPM=1.471
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.2
Precise sep
10
Constellation
Corona Borealis
Tycho2
2575-00177-1
last precise pa
164.2
last precise sep
10
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15575+3231 HJ 578 1998 3 163 10.1 11.89 13.40 D 155730.22+323022.5
15575+3231 HJ 578 2002 4 163 10.1 11.89 13.40 D 155730.22+323022.5
15575+3231 HJ 578 2010 6 164 10.0 11.89 13.40 155730.22+323022.5

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