15573+3005 HJ 2800

 
 
15h 57m 20.27s +30 05' 08.6" P.A. 283 sep 14.5 mag 9.83,12.82 Sp G5
 
 
Coord 2000
15573+3005
Discov num
HJ 2800
Comp
Coord arcsec 2000
15 57 20.27 +30 05 08.6
Date first
1830
Date last
2015
Obs
13
Pa first
221
Pa last
283
P.A. Now (θ)
283°
Sep first
15.0
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
9.83
Mag sec
12.82
delta mag (ΔM)
2.99
Spectral class
G5 (yellow)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-105
Sec motion dec
+006
Notes
rPM=1.057
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283.3
Precise sep
14.46
Constellation
Corona Borealis
SAO
64985
Tycho2
2572-01709-1
HD
143089
last precise pa
283.3
last precise sep
14.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15573+3005 HJ 2800 2007 8 280 14.4 9.83 12.73 D 155720.27+300508.6
15573+3005 HJ 2800 2012 11 282 14.4 9.83 12.82 G5 155720.27+300508.6
15573+3005 HJ 2800 2013 12 282 14.4 9.83 12.82 G5 155720.27+300508.6
15573+3005 HJ 2800 2015 13 283 14.5 9.83 12.82 G5 155720.27+300508.6

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