11509+3018 SLW 660

 
 
11h 50m 52.85s +30 17' 41.2" P.A. 245 sep 28.4 mag 16.69,17.74 Sp M1.0+M2.3
 
 
Coord 2000
11509+3018
Discov num
SLW 660
Comp
Coord arcsec 2000
11 50 52.85 +30 17 41.2
Date first
1998
Date last
2010
Obs
3
Pa first
245
Pa last
245
P.A. Now (θ)
245°
Sep first
28.3
Sep last
28.4
Sep. Now (ρ)
28.4"
Mag pri
16.69
Mag sec
17.74
delta mag (ΔM)
1.05
Spectral class
M1.0+M2.3 (red/red)
Pri motion ra
-042
Sec motion ra
-038
Pri motion dec
-011
Sec motion dec
-011
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.092 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.1
Precise sep
28.35
Constellation
Ursa Major
last precise pa
245.1
last precise sep
28.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11509+3018 SLW 660 2004 1 245 28.3 16.69 17.74 M1.0 M2.3 V R 115052.85+301741.2
11509+3018 SLW 660 2010 3 245 28.3 16.69 17.74 M1.0+M2.3 V R 115052.85+301741.2

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