20118+3733 ES 2120

 
 
20h 11m 44.99s +37 32' 59.8" P.A. 290 sep 6.9 mag 8.80,13.10 Sp B0.5IV
 
 
Coord 2000
20118+3733
Discov num
ES 2120
Comp
Coord arcsec 2000
20 11 44.99 +37 32 59.8
Date first
1924
Date last
2015
Obs
5
Pa first
286
Pa last
290
P.A. Now (θ)
290°
Sep first
6.0
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
8.80
Mag sec
13.10
delta mag (ΔM)
4.3
Spectral class
B0.5IV (blue-white)
Pri motion ra
+006
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.8
Precise sep
6.914
Constellation
Cygnus
SAO
69582
Tycho2
3151-02200-1
Gaia DR2
93182977664
HD
192079
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20118+3733 ES 2120 1998 2 290 6.6 8.80 13.10 B0.5IV D 201144.99+373259.8
20118+3733 ES 2120 2015 3 290 6.9 8.80 13.10 B0.5IV 201144.99+373259.8

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