15211+2534 GRV 903

 
 
15h 21m 09.35s +25 34' 01.8" P.A. 243 sep 69.1 mag 9.12,11.09 Sp K2V dist. 41.25 pc (134.56 l.y.)
 
 
Coord 2000
15211+2534
Discov num
GRV 903
Comp
Coord arcsec 2000
15 21 09.35 +25 34 01.8
Date first
1900
Date last
2010
Obs
13
Pa first
244
Pa last
243
P.A. Now (θ)
243°
Sep first
69.3
Sep last
69.1
Sep. Now (ρ)
69.1"
Mag pri
9.12
Mag sec
11.09
delta mag (ΔM)
1.97
Spectral class
K2V (yellow-orange)
Pri motion ra
-093
Sec motion ra
-090
Pri motion dec
-116
Sec motion dec
-114
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.024 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243
Precise sep
69.103
Constellation
Corona Borealis
SAO
83780
HIP
75132
Tycho2
2028-00273-1
HD
136655
BD
BD+26 2681
Distance
41.25
Distance ly
134.56
last precise pa
243
last precise sep
69.103
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15211+2534 GRV 903 2000 6 243 69.0 9.12 11.09 D 152109.35+253401.8
15211+2534 GRV 903 2009 11 243 69.2 9.12 11.09 D 152109.35+253401.8
15211+2534 GRV 903 2010 12 243 69.1 9.12 11.09 K2V NV 152109.35+253401.8

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