19508+6400 STI 931

 
 
19h 50m 52.01s +64 00' 46.7" P.A. 19 sep 15.8 mag 10.73,14.16
 
 
Coord 2000
19508+6400
Discov num
STI 931
Comp
Coord arcsec 2000
19 50 52.01 +64 00 46.7
Date first
1903
Date last
2010
Obs
4
Pa first
17
Pa last
19
P.A. Now (θ)
19°
Sep first
14.7
Sep last
15.8
Sep. Now (ρ)
15.8"
Mag pri
10.73
Mag sec
14.16
delta mag (ΔM)
3.43
Spectral class
Pri motion ra
-004
Sec motion ra
+001
Pri motion dec
-013
Sec motion dec
-007
Notes
rPM=0.574
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
18.6
Precise sep
15.8
Constellation
Draco
Tycho2
4239-00516-1
last precise pa
18.6
last precise sep
15.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19508+6400 STI 931 1999 2 19 15.8 10.73 13.30 D 195052.01+640046.7
19508+6400 STI 931 2003 3 19 15.8 10.73 13.30 D 195052.01+640046.7
19508+6400 STI 931 2010 4 19 15.5 10.73 14.16 195052.01+640046.7

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