13500+5452 HDS1946 (IR UMa)

 
 
13h 50m 01.05s +54 52' 10.0" P.A. 87.00 sep 0.1 mag 8.17,8.58 Sp M0 dist. 438.6 pc (1430.71 l.y.)
 
 
Coord 2000
13500+5452
Discov num
HDS1946
Comp
Coord arcsec 2000
13 50 01.05 +54 52 10.0
Date first
1991
Date last
1991
Obs
1
Pa first
87
Pa last
87
P.A. Now (θ)
87°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
8.17
Mag sec
8.58
delta mag (ΔM)
0.41
Spectral class
M0 (red)
Pri motion ra
-052
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87
Precise sep
0.14
Var name
IR UMa
Constellation
Ursa Major
SAO
28899
HIP
67511
Tycho2
3851-00733-1
Gaia DR2
14603877888
HD
120771
BD
BD+55 1637
Distance
438.6
Distance ly
1430.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13500+5452 HDS1946 1991 1 87 0.1 8.17 8.58 M0 135001.05+545210.0

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