15498+2839 UC  213

 
 
15h 49m 45.51s +28 39' 13.6" P.A. 60 sep 9.8 mag 12.24,12.65
 
 
Coord 2000
15498+2839
Discov num
UC  213
Comp
Coord arcsec 2000
15 49 45.51 +28 39 13.6
Date first
1902
Date last
2010
Obs
4
Pa first
61
Pa last
60
P.A. Now (θ)
60°
Sep first
9.5
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
12.24
Mag sec
12.65
delta mag (ΔM)
0.41
Spectral class
Pri motion ra
-101
Sec motion ra
-094
Pri motion dec
+070
Sec motion dec
+069
Notes
V (Proper motion indicates physical)
rPM=0.058 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
60.2
Precise sep
9.78
Constellation
Corona Borealis
last precise pa
60.2
last precise sep
9.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15498+2839 UC 213 2000 1 60 9.8 12.24 12.65 V 154945.51+283913.6
15498+2839 UC 213 2001 3 59 9.7 12.24 12.65 VD 154945.51+283913.6
15498+2839 UC 213 2010 4 59 9.0 12.24 12.65 V 154945.51+283913.6

If you need more information about this double, apply for a data request form to the WDS.