19501+4748 AG  240

 
 
19h 50m 07.05s +47 48' 23.3" P.A. 255 sep 14.5 mag 9.63,9.74 Sp A2
 
 
Coord 2000
19501+4748
Discov num
AG  240
Comp
Coord arcsec 2000
19 50 07.05 +47 48 23.3
Date first
1898
Date last
2015
Obs
18
Pa first
257
Pa last
255
P.A. Now (θ)
255°
Sep first
14.6
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
9.63
Mag sec
9.74
delta mag (ΔM)
0.11
Spectral class
A2 (white)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-018
Sec motion dec
-018
Notes
V W (Proper motion indicates physical, )
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.4
Precise sep
14.487
Cdsa2 id
AG 240
Constellation
Cygnus
Tycho2
3561-02132-1
Ra deg
19.835291666666667
De deg
47.80647222222222
last precise pa
255.4
last precise sep
14.487
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19501+4748 AG 240 2005 13 257 13.8 9.63 9.74 A2 D 195007.05+474823.3
19501+4748 AG 240 2013 15 255 14.5 9.63 9.74 A2 V 195007.05+474823.3
19501+4748 AG 240 2015 18 255 14.5 9.63 9.74 A2 VW 195007.05+474823.3

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