20448+2825 AG  411

 
 
20h 44m 49.46s +28 25' 09.2" P.A. 20.00 sep 2.9 mag 9.52,10.23 Sp F5
 
 
Coord 2000
20448+2825
Discov num
AG  411
Comp
Coord arcsec 2000
20 44 49.46 +28 25 09.2
Date first
1902
Date last
2016
Obs
12
Pa first
19
Pa last
20
P.A. Now (θ)
20°
Sep first
2.7
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
9.52
Mag sec
10.23
delta mag (ΔM)
0.71
Spectral class
F5 (yellow-white)
Pri motion ra
+019
Sec motion ra
+030
Pri motion dec
-020
Sec motion dec
-008
Notes
rPM=0.524
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.1
Precise sep
2.932
Constellation
Vulpecula
Tycho2
2182-01715-1
Gaia DR2
02584181760
HD
335105
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20448+2825 AG 411 1999 6 19 2.9 9.52 10.23 F5 204449.46+282509.2
20448+2825 AG 411 2009 7 20 2.9 9.52 10.23 F5 204449.46+282509.2
20448+2825 AG 411 2011 9 21 2.9 9.52 10.23 F5 204449.46+282509.2
20448+2825 AG 411 2016 10 20 2.9 9.52 10.23 F5 204449.46+282509.2

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