17213+7330 LDS1865

 
 
17h 21m 11.19s +73 29' 08.6" P.A. 52 sep 10.5 mag 10.70,15.20
 
 
Coord 2000
17213+7330
Discov num
LDS1865
Comp
Coord arcsec 2000
17 21 11.19 +73 29 08.6
Date first
1966
Date last
2004
Obs
3
Pa first
51
Pa last
52
P.A. Now (θ)
52°
Sep first
11.0
Sep last
10.5
Sep. Now (ρ)
10.5"
Mag pri
10.70
Mag sec
15.20
delta mag (ΔM)
4.5
Spectral class
Pri motion ra
-041
Sec motion ra
-085
Pri motion dec
+174
Sec motion dec
+130
Notes
rPM=0.348
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.1
Precise sep
10.534
Constellation
Draco
Tycho2
4427-01402-1
last precise pa
52.1
last precise sep
10.534
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17213+7330 LDS1865 1999 2 52 10.5 10.70 15.20 D 172111.19+732908.6
17213+7330 LDS1865 2004 3 52 10.5 10.70 15.20 D 172111.19+732908.6
17213+7330 LDS1865 2010 4 52 10.5 10.70 15.20 172111.19+732908.6

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