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
Cdsa2 id
DEA 421
Constellation
Cygnus
Ra deg
19.635905555555556
De deg
44.16002777777778
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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