18541+5417 ES  976

 
 
18h 54m 04.81s +54 17' 04.1" P.A. 279 sep 5 mag 10.50,11.12
 
 
Coord 2000
18541+5417
Discov num
ES  976
Comp
Coord arcsec 2000
18 54 04.81 +54 17 04.1
Date first
1905
Date last
2010
Obs
10
Pa first
280
Pa last
279
P.A. Now (θ)
279°
Sep first
4.3
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
10.50
Mag sec
11.12
delta mag (ΔM)
0.62
Spectral class
Pri motion ra
+020
Sec motion ra
-005
Pri motion dec
+002
Sec motion dec
+009
Notes
rPM=1.292
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.8
Precise sep
4.99
Constellation
Draco
Tycho2
3919-00530-1
last precise pa
278.8
last precise sep
4.99
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18541+5417 ES 976 1999 8 279 5.0 10.50 11.12 D 185404.81+541704.1
18541+5417 ES 976 2010 9 279 5.0 10.50 11.12 D 185404.81+541704.1

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