19417+3855 SEI 660

 
 
19h 41m 39.06s +38 54' 49.2" P.A. 253 sep 11.8 mag 9.77,12.60 Sp A0
 
 
Coord 2000
19417+3855
Discov num
SEI 660
Comp
Coord arcsec 2000
19 41 39.06 +38 54 49.2
Date first
1896
Date last
2010
Obs
6
Pa first
250
Pa last
253
P.A. Now (θ)
253°
Sep first
11.8
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
9.77
Mag sec
12.60
delta mag (ΔM)
2.83
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
-003
Pri motion dec
-003
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
252.7
last precise sep
11.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19417+3855 SEI 660 1998 4 253 11.8 9.77 12.60 A0 D 194139.06+385449.2
19417+3855 SEI 660 2002 5 253 11.8 9.77 12.60 A0 D 194139.06+385449.2
19417+3855 SEI 660 2010 6 253 11.3 9.77 12.60 A0 194139.06+385449.2

If you need more information about this double, apply for a data request form to the WDS.