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
Cdsa2 id
TRN 3 AB
Constellation
Draco
SAO
31217
HD
175225
HR
7123
Ra deg
18.85970277777778
De deg
52.97511111111111
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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