21513+0808 STE  15AB

 
 
21h 51m 15.04s +08 07' 42.9" P.A. 248 sep 5.9 mag 10.40,12.50 Sp K8V
 
 
Coord 2000
21513+0808
Discov num
STE  15
Comp
AB
Coord arcsec 2000
21 51 15.04 +08 07 42.9
Date first
1981
Date last
2015
Obs
5
Pa first
235
Pa last
248
P.A. Now (θ)
248°
Sep first
5.0
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
10.40
Mag sec
12.50
delta mag (ΔM)
2.1
Spectral class
K8V (yellow-orange)
Pri motion ra
+077
Sec motion ra
+015
Pri motion dec
-095
Sec motion dec
-133
Notes
Nature of this double is uncertain.
 
 
21513+0808 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21513+0808 YSC 164 Aa,Ab 2008 2014 5 15 0.4 10.50 12.80 2.30
Show 21513+0808 STE 15 AB 1981 2015 5 248 5.9 10.40 12.50 2.10 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
last precise pa
247.5
last precise sep
5.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21513+0808 STE 15 AB 2000 3 247 6.0 10.40 12.50 D 215115.05+080742.9
21513+0808 STE 15 AB 2015 5 248 5.9 10.40 12.50 K8V 215115.05+080742.9

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