18516+5259 TRN   3AB

 
 
18h 51m 34.93s +52 58' 30.4" P.A. 101 sep 1.1 mag 5.51,11.80 Sp G9IV
 
 
Coord 2000
18516+5259
Discov num
TRN   3
Comp
AB
Coord arcsec 2000
18 51 34.93 +52 58 30.4
Date first
1996
Date last
1999
Obs
4
Pa first
112
Pa last
101
P.A. Now (θ)
101°
Sep first
1.1
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
5.51
Mag sec
11.80
delta mag (ΔM)
6.29
Spectral class
G9IV (yellow)
Pri motion ra
-065
Sec motion ra
Pri motion dec
+247
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18516+5259 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 31217 18516+5259 TRN 3 AB 1996 1999 4 101 1.1 5.51 11.80 6.29 <===
Show 18516+5259 LEP 90 AC 1998 2010 3 327 206.5 5.51 14.07 8.56
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
101
Precise sep
1.07
Constellation
Draco
SAO
31217
HD
175225
HR
7123
last precise pa
101
last precise sep
1.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18516+5259 TRN 3 AB 1999 4 101 1.1 5.51 11.80 G9IV D 185135.00+525828.3

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