19516+2810 J  3021

 
 
19h 51m 28.70s +28 10' 52.5" P.A. 180 sep 5.3 mag 9.70,11.00 Sp A7
 
 
Coord 2000
19516+2810
Discov num
J  3021
Comp
Coord arcsec 2000
19 51 28.70 +28 10 52.5
Date first
1944
Date last
2007
Obs
6
Pa first
160
Pa last
180
P.A. Now (θ)
180°
Sep first
4.0
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
9.70
Mag sec
11.00
delta mag (ΔM)
1.3
Spectral class
A7 (white)
Pri motion ra
+009
Sec motion ra
+008
Pri motion dec
+003
Sec motion dec
+020
Notes
rPM=0.791
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.7
Precise sep
5.25
Cdsa2 id
J 3021
Constellation
Vulpecula
Ra deg
19.857972222222223
De deg
28.181250000000002
last precise pa
179.7
last precise sep
5.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19516+2810 J 3021 2006 3 179 5.5 9.70 11.00 195110.00+281000.0
19516+2810 J 3021 2007 4 180 5.3 9.70 11.00 195128.70+281052.5

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