10121+4751 HJ 2522

 
 
10h 12m 03.80s +47 50' 47.7" P.A. 148 sep 29.9 mag 9.60,12.04 Sp G0 dist. 173.31 pc (565.34 l.y.)
 
 
Coord 2000
10121+4751
Discov num
HJ 2522
Comp
Coord arcsec 2000
10 12 03.80 +47 50 47.7
Date first
1831
Date last
2015
Obs
11
Pa first
147
Pa last
148
P.A. Now (θ)
148°
Sep first
25.0
Sep last
29.9
Sep. Now (ρ)
29.9"
Mag pri
9.60
Mag sec
12.04
delta mag (ΔM)
2.44
Spectral class
G0 (yellow)
Pri motion ra
+033
Sec motion ra
+035
Pri motion dec
-062
Sec motion dec
-059
Notes
rPM=0.051 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148
Precise sep
29.86
Constellation
Ursa Major
SAO
43229
HIP
49968
Tycho2
3437-01315-1
BD
BD+48 1845
Distance
173.31
Distance ly
565.34
last precise pa
148
last precise sep
29.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10121+4751 HJ 2522 1999 7 148 29.9 9.60 14.56 G0 D 101203.80+475047.7
10121+4751 HJ 2522 2004 9 148 29.9 9.60 14.56 G0 D 101203.80+475047.7
10121+4751 HJ 2522 2015 10 148 29.9 9.60 12.04 G0 101203.80+475047.7

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