20104+2439 A   384

 
 
20h 10m 25.62s +24 39' 23.0" P.A. 357 sep 1.3 mag 9.91,10.78 Sp A0
 
 
Coord 2000
20104+2439
Discov num
A   384
Comp
Coord arcsec 2000
20 10 25.62 +24 39 23.0
Date first
1902
Date last
2015
Obs
20
Pa first
356
Pa last
357
P.A. Now (θ)
357°
Sep first
1.2
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
9.91
Mag sec
10.78
delta mag (ΔM)
0.87
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.9
Precise sep
1.343
Constellation
Vulpecula
Tycho2
2158-01590-1
Gaia DR2
52398753024
HD
339736
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20104+2439 A 384 2001 18 358 1.4 9.91 10.78 A0 201025.62+243923.0
20104+2439 A 384 2008 19 357 1.3 9.91 10.78 A0 201025.62+243923.0
20104+2439 A 384 2015 20 357 1.3 9.91 10.78 A0 201025.62+243923.0

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