20190+4938 ES 2693BC

 
 
20h 19m 01.10s +49 37' 25.3" P.A. 189 sep 18.4 mag 9.59,12.20 Sp A2
 
 
Coord 2000
20190+4938
Discov num
ES 2693
Comp
BC
Coord arcsec 2000
20 19 01.10 +49 37 25.3
Date first
1911
Date last
2003
Obs
3
Pa first
186
Pa last
189
P.A. Now (θ)
189°
Sep first
17.4
Sep last
18.4
Sep. Now (ρ)
18.4"
Mag pri
9.59
Mag sec
12.20
delta mag (ΔM)
2.61
Spectral class
A2 (white)
Pri motion ra
+005
Sec motion ra
+007
Pri motion dec
+001
Sec motion dec
-010
Notes
rPM=0.916
This double is not physical.
 
 
20190+4938 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20190+4938 ES 2693 AB 1899 2004 11 110 30.6 8.76 9.59 0.83
Show 20190+4938 ES 2693 BC 1911 2003 3 189 18.4 9.59 12.20 2.61 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
188.8
Precise sep
18.443
Cdsa2 id
ES 2693 BC
Constellation
Cygnus
Ra deg
20.316972222222223
De deg
49.623694444444446
last precise pa
188.8
last precise sep
18.443
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20190+4938 ES 2693 BC 2000 2 189 18.4 9.59 12.20 D 201901.10+493725.3
20190+4938 ES 2693 BC 2003 3 189 18.4 9.59 12.20 D 201901.10+493725.3

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