11157+4551 STTA109

 
 
11h 15m 43.64s +45 51' 18.4" P.A. 256 sep 83.8 mag 7.95,8.69 Sp K2 dist. 347.22 pc (1132.63 l.y.)
 
 
Coord 2000
11157+4551
Discov num
STTA109
Comp
Coord arcsec 2000
11 15 43.64 +45 51 18.4
Date first
1877
Date last
2015
Obs
25
Pa first
258
Pa last
256
P.A. Now (θ)
256°
Sep first
78.9
Sep last
83.8
Sep. Now (ρ)
83.8"
Mag pri
7.95
Mag sec
8.69
delta mag (ΔM)
0.74
Spectral class
K2 (yellow-orange)
Pri motion ra
+007
Sec motion ra
-024
Pri motion dec
+012
Sec motion dec
-012
Notes
N (See Notes)
rPM=1.461
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.3
Precise sep
83.794
Constellation
Ursa Major
SAO
43665
HIP
55004
Tycho2
3451-01596-1
HD
97812
BD
BD+46 1708
Distance
347.22
Distance ly
1132.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11157+4551 STTA109 2004 20 255 82.0 7.95 8.69 K2 N D 111543.64+455118.4
11157+4551 STTA109 2012 23 256 83.7 7.95 8.69 K2 N D 111543.64+455118.4
11157+4551 STTA109 2015 25 256 83.8 7.95 8.69 K2 N 111543.64+455118.4

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