20024+3728 SEI 813

 
 
20h 02m 22.13s +37 27' 51.1" P.A. 328 sep 24.3 mag 11.76,12.36 Sp B5
 
 
Coord 2000
20024+3728
Discov num
SEI 813
Comp
Coord arcsec 2000
20 02 22.13 +37 27 51.1
Date first
1896
Date last
2015
Obs
11
Pa first
330
Pa last
328
P.A. Now (θ)
328°
Sep first
24.0
Sep last
24.3
Sep. Now (ρ)
24.3"
Mag pri
11.76
Mag sec
12.36
delta mag (ΔM)
0.6
Spectral class
B5 (blue-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
-002
Notes
rPM=0.447
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.8
Precise sep
24.275
Constellation
Cygnus
Tycho2
2682-00477-1
Gaia DR2
73534783232
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20024+3728 SEI 813 2000 4 328 24.3 12.00 12.50 D 200222.13+372751.1
20024+3728 SEI 813 2002 5 328 24.2 12.00 12.50 D 200222.13+372751.1
20024+3728 SEI 813 2010 6 329 24.5 11.76 12.36 B5 200222.13+372751.1
20024+3728 SEI 813 2015 7 328 24.0 11.76 12.36 B5 200222.13+372751.1

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