15174+3022 ARY  42

 
 
15h 17m 25.42s +30 21' 49.2" P.A. 186 sep 95 mag 9.30,9.63 Sp K0
 
 
Coord 2000
15174+3022
Discov num
ARY  42
Comp
Coord arcsec 2000
15 17 25.42 +30 21 49.2
Date first
1902
Date last
2015
Obs
13
Pa first
189
Pa last
186
P.A. Now (θ)
186°
Sep first
96.3
Sep last
95.0
Sep. Now (ρ)
95"
Mag pri
9.30
Mag sec
9.63
delta mag (ΔM)
0.33
Spectral class
K0 (yellow-orange)
Pri motion ra
-019
Sec motion ra
+009
Pri motion dec
-010
Sec motion dec
-012
Notes
rPM=1.307
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.3
Precise sep
95.02
Constellation
Corona Borealis
SAO
64612
Tycho2
2563-00286-1
last precise pa
186.3
last precise sep
95.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15174+3022 ARY 42 2003 9 187 93.8 9.30 9.63 D 151725.42+302149.2
15174+3022 ARY 42 2015 11 188 92.8 9.30 9.63 K0 151725.42+302149.2

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