15383+2431 ARY  11 (LY Ser)

 
 
15h 38m 16.63s +24 31' 18.7" P.A. 327 sep 151 mag 7.03,8.83 Sp M5III dist. 210.53 pc (686.75 l.y.)
 
 
Coord 2000
15383+2431
Discov num
ARY  11
Comp
Coord arcsec 2000
15 38 16.63 +24 31 18.7
Date first
1895
Date last
2012
Obs
15
Pa first
326
Pa last
327
P.A. Now (θ)
327°
Sep first
151.4
Sep last
151.0
Sep. Now (ρ)
151"
Mag pri
7.03
Mag sec
8.83
delta mag (ΔM)
1.8
Spectral class
M5III (red)
Pri motion ra
-012
Sec motion ra
+009
Pri motion dec
-017
Sec motion dec
-022
Notes
rPM=0.908
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327
Precise sep
151
Var name
LY Ser
Constellation
Serpens
SAO
83921
HIP
76573
Tycho2
2033-00386-1
HD
139608
BD
BD+24 2901
Distance
210.53
Distance ly
686.75
last precise pa
327
last precise sep
151
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15383+2431 ARY 11 2002 10 326 148.1 7.03 8.83 153816.63+243118.7
15383+2431 ARY 11 2010 11 327 149.3 7.03 8.83 153816.63+243118.7
15383+2431 ARY 11 2012 13 326 149.1 7.03 8.83 153816.63+243118.7

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