19381+4409 DEA 421

 
 
19h 38m 09.26s +44 09' 36.1" P.A. 189 sep 22.2 mag 9.70,9.90
 
 
Coord 2000
19381+4409
Discov num
DEA 421
Comp
Coord arcsec 2000
19 38 09.26 +44 09 36.1
Date first
1893
Date last
2015
Obs
13
Pa first
188
Pa last
189
P.A. Now (θ)
189°
Sep first
22.5
Sep last
22.2
Sep. Now (ρ)
22.2"
Mag pri
9.70
Mag sec
9.90
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+039
Sec motion ra
+038
Pri motion dec
-022
Sec motion dec
-019
Notes
V W (Proper motion indicates physical, )
rPM=0.071 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.3
Precise sep
22.22
Constellation
Cygnus
last precise pa
189.3
last precise sep
22.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19381+4409 DEA 421 2013 10 189 22.2 9.70 9.90 V 193809.26+440936.1
19381+4409 DEA 421 2015 13 189 22.2 9.70 9.90 VW 193809.26+440936.1

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