19516+5913 HJ 2910

 
 
19h 51m 34.50s +59 12' 55.3" P.A. 260 sep 13 mag 9.92,11.72 Sp A3
 
 
Coord 2000
19516+5913
Discov num
HJ 2910
Comp
Coord arcsec 2000
19 51 34.50 +59 12 55.3
Date first
1831
Date last
2010
Obs
8
Pa first
264
Pa last
260
P.A. Now (θ)
260°
Sep first
8.0
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
9.92
Mag sec
11.72
delta mag (ΔM)
1.8
Spectral class
A3 (white)
Pri motion ra
+005
Sec motion ra
+004
Pri motion dec
-008
Sec motion dec
-008
Notes
rPM=0.106 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259.7
Precise sep
12.98
Constellation
Cygnus
Tycho2
3947-01053-1
HD
239243
last precise pa
259.7
last precise sep
12.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19516+5913 HJ 2910 2000 6 260 13.1 9.92 11.72 A3 D 195134.50+591255.3
19516+5913 HJ 2910 2003 7 260 13.2 9.92 11.72 A3 D 195134.50+591255.3
19516+5913 HJ 2910 2010 8 260 13.1 9.92 11.72 A3 195134.50+591255.3

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WDS 19516+5913 HJ 2910 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HJ Herschel, J.F.W.

 
 
WDS 19516+5913 HJ 2910 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19516+5913 HJ 2910 : MEASURES
 
 
No records found.

 
 
WDS 19516+5913 HJ 2910 : Virtual Eyepiece
 
 

19516+5913  HJ 2910 A 19516+5913  HJ 2910 sep 13 P.A. 260 mag 9.92,11.72 Sp A3 virtual eyepiece
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Radius:
 
 
WDS 19516+5913 HJ 2910 : Aladin DSS image @ 19h 51m 34.50s +59 12' 55.3"