20058+3554 SEI 849

 
 
20h 05m 45.14s +35 54' 02.9" P.A. 275 sep 24 mag 8.69,11.70 Sp B0II:pe
 
 
Coord 2000
20058+3554
Discov num
SEI 849
Comp
Coord arcsec 2000
20 05 45.14 +35 54 02.9
Date first
1896
Date last
2015
Obs
10
Pa first
276
Pa last
275
P.A. Now (θ)
275°
Sep first
24.1
Sep last
24.0
Sep. Now (ρ)
24"
Mag pri
8.69
Mag sec
11.70
delta mag (ΔM)
3.01
Spectral class
B0II:pe (blue-white)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-007
Sec motion dec
-004
Notes
rPM=0.392
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.8
Precise sep
24.002
Constellation
Cygnus
SAO
69393
Tycho2
2682-00805-1
Gaia DR2
79149465600
HD
227611
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20058+3554 SEI 849 1998 3 275 24.0 8.69 11.70 B0II:pe D 200545.14+355402.9
20058+3554 SEI 849 2002 4 275 24.0 8.69 11.70 B0II:pe D 200545.14+355402.9
20058+3554 SEI 849 2010 5 275 23.8 8.69 11.70 B0II:pe 200545.14+355402.9
20058+3554 SEI 849 2015 6 275 24.0 8.69 11.70 B0II:pe 200545.14+355402.9

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