19471+1509 HJ 1436

 
 
19h 47m 05.39s +15 09' 27.5" P.A. 306 sep 8.4 mag 9.67,10.70 Sp A2
 
 
Coord 2000
19471+1509
Discov num
HJ 1436
Comp
Coord arcsec 2000
19 47 05.39 +15 09 27.5
Date first
1828
Date last
2016
Obs
9
Pa first
304
Pa last
306
P.A. Now (θ)
306°
Sep first
6.0
Sep last
8.4
Sep. Now (ρ)
8.4"
Mag pri
9.67
Mag sec
10.70
delta mag (ΔM)
1.03
Spectral class
A2 (white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-008
Sec motion dec
-012
Notes
rPM=0.332
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.5
Precise sep
8.43
Constellation
Aquila
SAO
105250
Tycho2
1615-00090-1
HD
353656
last precise pa
305.5
last precise sep
8.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19471+1509 HJ 1436 1997 5 305 8.4 9.67 10.70 A2 D 194705.39+150927.5
19471+1509 HJ 1436 2011 7 306 8.0 9.67 10.70 A2 D 194705.39+150927.5
19471+1509 HJ 1436 2016 9 306 8.4 9.67 10.70 A2 194705.39+150927.5

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