11561+4533 STF1581

 
 
11h 56m 06.32s +45 32' 44.8" P.A. 171 sep 2.5 mag 9.80,10.44 Sp F8 dist. 381.68 pc (1245.04 l.y.)
 
 
Coord 2000
11561+4533
Discov num
STF1581
Comp
Coord arcsec 2000
11 56 06.32 +45 32 44.8
Date first
1832
Date last
2017
Obs
21
Pa first
171
Pa last
171
P.A. Now (θ)
171°
Sep first
2.2
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.80
Mag sec
10.44
delta mag (ΔM)
0.64
Spectral class
F8 (yellow-white)
Pri motion ra
-025
Sec motion ra
-026
Pri motion dec
+004
Sec motion dec
-007
Notes
N (See Notes)
rPM=0.41
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.6
Precise sep
2.459
Cdsa2 id
STF 1581
Constellation
Ursa Major
SAO
43950
HIP
58195
Tycho2
3452-00200-1
HD
103626
BD
BD+46 1759
Ra deg
11.93508888888889
De deg
45.54577777777778
Distance
381.68
Distance ly
1245.04
last precise pa
170.6
last precise sep
2.459
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11561+4533 STF1581 2000 17 170 2.4 9.80 10.44 F8 N D 115606.32+453244.8
11561+4533 STF1581 2002 18 171 2.4 9.80 10.44 F8 N D 115606.32+453244.8
11561+4533 STF1581 2012 19 170 2.4 9.80 10.44 F8 N 115606.32+453244.8
11561+4533 STF1581 2014 20 170 2.4 9.80 10.44 F8 N 115606.32+453244.8
11561+4533 STF1581 2017 21 171 2.5 9.80 10.44 F8 N 115606.32+453244.8

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