20073+3534 ES 2248AB

 
 
20h 07m 16.22s +35 34' 27.9" P.A. 30 sep 5.9 mag 9.15,13.80 Sp B2III:
 
 
Coord 2000
20073+3534
Discov num
ES 2248
Comp
AB
Coord arcsec 2000
20 07 16.22 +35 34 27.9
Date first
1926
Date last
1998
Obs
2
Pa first
34
Pa last
30
P.A. Now (θ)
30°
Sep first
7.8
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
9.15
Mag sec
13.80
delta mag (ΔM)
4.65
Spectral class
B2III: (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20073+3534 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20073+3534 COU2125 Aa,Ab 1982 1989 2 69 0.1 9.90 9.90 0.00
Show 20073+3534 ES 2248 AB 1926 1998 2 30 5.9 9.15 13.80 4.65 <===
Show 20073+3534 ES 2248 AC 2000 2000 1 222 50.6 9.15 13.80 4.65
Show 20073+3534 SEI 893 CD 1896 2015 10 119 27.4 9.47 12.07 2.60
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
30.2
Precise sep
5.87
Constellation
Cygnus
SAO
69444
Tycho2
2679-00177-1
Gaia DR2
50919122816
HD
227758
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20073+3534 ES 2248 AB 1926 1 34 7.8 9.15 13.80 200716.22+353427.9
20073+3534 ES 2248 AB 1998 2 30 5.9 9.15 13.80 B2III: 200716.22+353427.9

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