09506+4954 HJ 2508

 
 
09h 50m 39.91s +49 54' 48.2" P.A. 307 sep 13.4 mag 10.20,11.00
 
 
Coord 2000
09506+4954
Discov num
HJ 2508
Comp
Coord arcsec 2000
09 50 39.91 +49 54 48.2
Date first
1904
Date last
2011
Obs
9
Pa first
306
Pa last
307
P.A. Now (θ)
307°
Sep first
14.1
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
10.20
Mag sec
11.00
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
-001
Sec motion dec
-003
Notes
rPM=0.368
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.6
Precise sep
13.42
Constellation
Ursa Major
last precise pa
306.6
last precise sep
13.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09506+4954 HJ 2508 2007 4 306 13.7 10.20 11.00 D 095039.91+495448.2
09506+4954 HJ 2508 2010 9 308 13.3 10.20 11.00 095039.91+495448.2
09506+4954 HJ 2508 2011 9 307 13.4 10.20 11.00 095039.91+495448.2

If you need more information about this double, apply for a data request form to the WDS.