18578+3852 ES 2573

 
 
18h 57m 48.41s +38 51' 41.5" P.A. 25 sep 4.9 mag 13.19,11.90
 
 
Coord 2000
18578+3852
Discov num
ES 2573
Comp
Coord arcsec 2000
18 57 48.41 +38 51 41.5
Date first
1932
Date last
2010
Obs
5
Pa first
22
Pa last
25
P.A. Now (θ)
25°
Sep first
5.3
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
13.19
Mag sec
11.90
delta mag (ΔM)
1.29
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
25
Precise sep
4.87
Constellation
Lyra
last precise pa
25
last precise sep
4.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18578+3852 ES 2573 1998 3 22 4.8 13.19 11.90 D 185748.41+385141.5
18578+3852 ES 2573 2002 4 22 4.9 13.19 11.90 D 185748.41+385141.5
18578+3852 ES 2573 2010 5 23 4.0 13.19 11.90 185748.41+385141.5

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