10344+4041 LDS3998

 
 
10h 34m 15.33s +40 40' 59.3" P.A. 221 sep 104.2 mag 16.13,16.83 Sp M3.8+M4.0
 
 
Coord 2000
10344+4041
Discov num
LDS3998
Comp
Coord arcsec 2000
10 34 15.33 +40 40 59.3
Date first
1960
Date last
2010
Obs
6
Pa first
221
Pa last
221
P.A. Now (θ)
221°
Sep first
104.0
Sep last
104.2
Sep. Now (ρ)
104.2"
Mag pri
16.13
Mag sec
16.83
delta mag (ΔM)
0.7
Spectral class
M3.8+M4.0 (red/red)
Pri motion ra
-215
Sec motion ra
-214
Pri motion dec
-107
Sec motion dec
-111
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
last precise pa
220.5
last precise sep
104.24
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10344+4041 LDS3998 2000 4 220 104.3 16.13 16.83 D 103415.33+404059.3
10344+4041 LDS3998 2003 5 220 104.2 16.13 16.83 M3.8+M4.0 NVD 103415.33+404059.3
10344+4041 LDS3998 2010 6 221 104.2 16.13 16.83 M3.8+M4.0 NV 103415.33+404059.3

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