20020+3411 SEI 800

 
 
20h 02m 01.37s +34 10' 37.5" P.A. 350 sep 24.9 mag 12.41,13.06
 
 
Coord 2000
20020+3411
Discov num
SEI 800
Comp
Coord arcsec 2000
20 02 01.37 +34 10 37.5
Date first
1894
Date last
2015
Obs
11
Pa first
348
Pa last
350
P.A. Now (θ)
350°
Sep first
24.1
Sep last
24.9
Sep. Now (ρ)
24.9"
Mag pri
12.41
Mag sec
13.06
delta mag (ΔM)
0.65
Spectral class
Pri motion ra
-005
Sec motion ra
+000
Pri motion dec
-011
Sec motion dec
-004
Notes
rPM=0.712
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
349.8
Precise sep
24.87
Constellation
Cygnus
Gaia DR2
86437044992
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20020+3411 SEI 800 1998 4 350 24.8 10.50 11.00 D 200201.37+341037.5
20020+3411 SEI 800 2002 5 350 24.8 10.50 11.00 D 200201.37+341037.5
20020+3411 SEI 800 2010 6 350 24.8 12.41 13.06 200201.37+341037.5
20020+3411 SEI 800 2015 7 350 24.9 12.41 13.06 200201.37+341037.5

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