19210+6405 STI 888

 
 
19h 21m 05.58s +64 04' 46.4" P.A. 174 sep 3.9 mag 11.07,11.40
 
 
Coord 2000
19210+6405
Discov num
STI 888
Comp
Coord arcsec 2000
19 21 05.58 +64 04 46.4
Date first
1903
Date last
2015
Obs
6
Pa first
185
Pa last
174
P.A. Now (θ)
174°
Sep first
3.0
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.07
Mag sec
11.40
delta mag (ΔM)
0.33
Spectral class
Pri motion ra
+028
Sec motion ra
+030
Pri motion dec
-007
Sec motion dec
-022
Notes
rPM=0.407
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
173.6
Precise sep
3.898
Constellation
Draco
Tycho2
4225-02381-1
last precise pa
173.6
last precise sep
3.898
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19210+6405 STI 888 2005 4 173 3.8 11.07 11.40 D 192105.58+640446.4
19210+6405 STI 888 2015 6 174 3.9 11.07 11.40 192105.58+640446.4

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