15520+3528 STF1983

 
 
15h 51m 57.93s +35 27' 39.0" P.A. 65 sep 13.5 mag 10.19,11.74 Sp K2
 
 
Coord 2000
15520+3528
Discov num
STF1983
Comp
Coord arcsec 2000
15 51 57.93 +35 27 39.0
Date first
1830
Date last
2010
Obs
19
Pa first
77
Pa last
65
P.A. Now (θ)
65°
Sep first
17.4
Sep last
13.5
Sep. Now (ρ)
13.5"
Mag pri
10.19
Mag sec
11.74
delta mag (ΔM)
1.55
Spectral class
K2 (yellow-orange)
Pri motion ra
+005
Sec motion ra
-020
Pri motion dec
-013
Sec motion dec
-005
Notes
L (Linear solution)
rPM=1.273
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65
Precise sep
13.5
Constellation
Corona Borealis
Tycho2
2578-01288-1
last precise pa
65
last precise sep
13.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15520+3528 STF1983 2007 16 65 14.4 10.19 11.74 K2 LD 155157.93+352739.0
15520+3528 STF1983 2009 17 64 14.3 10.19 11.74 K2 LD 155157.93+352739.0
15520+3528 STF1983 2010 19 65 13.5 10.19 11.74 K2 L 155157.93+352739.0

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