11388+3910 HJ  506

 
 
11h 38m 49.92s +39 10' 21.2" P.A. 142 sep 30.9 mag 7.28,13.30 Sp M1III dist. 380.23 pc (1240.31 l.y.)
 
 
Coord 2000
11388+3910
Discov num
HJ  506
Comp
Coord arcsec 2000
11 38 49.92 +39 10 21.2
Date first
1827
Date last
2016
Obs
7
Pa first
135
Pa last
142
P.A. Now (θ)
142°
Sep first
15.0
Sep last
30.9
Sep. Now (ρ)
30.9"
Mag pri
7.28
Mag sec
13.30
delta mag (ΔM)
6.02
Spectral class
M1III (red)
Pri motion ra
-005
Sec motion ra
-004
Pri motion dec
+005
Sec motion dec
+007
Notes
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
142.1
Precise sep
30.892
Constellation
Ursa Major
SAO
62640
HIP
56818
Tycho2
3013-01375-1
HD
101178
BD
BD+39 2460
Distance
380.23
Distance ly
1240.31
last precise pa
142.1
last precise sep
30.892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11388+3910 HJ 506 1998 4 143 30.9 7.28 13.30 M1III D 113849.92+391021.2
11388+3910 HJ 506 2002 5 142 30.5 7.28 13.30 M1III D 113849.92+391021.2
11388+3910 HJ 506 2016 7 142 30.9 7.28 13.30 M1III 113849.92+391021.2

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