19420+3802 SEI 662

 
 
19h 41m 54.64s +38 01' 53.2" P.A. 282 sep 27.9 mag 9.99,12.65 Sp A2
 
 
Coord 2000
19420+3802
Discov num
SEI 662
Comp
Coord arcsec 2000
19 41 54.64 +38 01 53.2
Date first
1896
Date last
2015
Obs
10
Pa first
279
Pa last
282
P.A. Now (θ)
282°
Sep first
29.0
Sep last
27.9
Sep. Now (ρ)
27.9"
Mag pri
9.99
Mag sec
12.65
delta mag (ΔM)
2.66
Spectral class
A2 (white)
Pri motion ra
+001
Sec motion ra
+011
Pri motion dec
-002
Sec motion dec
+005
Notes
rPM=1.01
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.8
Precise sep
27.925
Constellation
Cygnus
Tycho2
3136-00527-1
Gaia DR2
88893465344
HD
225429
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19420+3802 SEI 662 1998 3 281 28.1 9.98 12.30 D 194154.64+380153.2
19420+3802 SEI 662 2002 4 282 28.0 9.98 12.30 D 194154.64+380153.2
19420+3802 SEI 662 2010 5 282 28.0 9.99 12.65 A2 194154.64+380153.2
19420+3802 SEI 662 2015 6 282 27.9 9.99 12.65 A2 194154.64+380153.2

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