19487+4242 ES 1564

 
 
19h 48m 43.97s +42 42' 05.3" P.A. 357 sep 7.6 mag 10.60,12.00
 
 
Coord 2000
19487+4242
Discov num
ES 1564
Comp
Coord arcsec 2000
19 48 43.97 +42 42 05.3
Date first
1892
Date last
2010
Obs
8
Pa first
10
Pa last
357
P.A. Now (θ)
357°
Sep first
8.4
Sep last
7.6
Sep. Now (ρ)
7.6"
Mag pri
10.60
Mag sec
12.00
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+018
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
-005
Notes
rPM=1.077
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.6
Precise sep
7.55
Cdsa2 id
ES 1564
Constellation
Cygnus
Ra deg
19.81221388888889
De deg
42.70147222222222
last precise pa
356.6
last precise sep
7.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19487+4242 ES 1564 1998 5 179 7.4 10.60 12.00 D 194843.97+424205.3
19487+4242 ES 1564 2003 7 358 7.3 10.60 12.00 194843.97+424205.3
19487+4242 ES 1564 2010 8 357 7.6 10.60 12.00 194843.97+424205.3

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