10566+1739 STF1490

 
 
10h 56m 36.47s +17 39' 20.1" P.A. 101 sep 17.4 mag 8.62,10.52 Sp A3 dist. 195.31 pc (637.1 l.y.)
 
 
Coord 2000
10566+1739
Discov num
STF1490
Comp
Coord arcsec 2000
10 56 36.47 +17 39 20.1
Date first
1905
Date last
2010
Obs
15
Pa first
101
Pa last
101
P.A. Now (θ)
101°
Sep first
17.8
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
8.62
Mag sec
10.52
delta mag (ΔM)
1.9
Spectral class
A3 (white)
Pri motion ra
-050
Sec motion ra
-049
Pri motion dec
-027
Sec motion dec
-027
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.018 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
101
Precise sep
17.42
Constellation
Leo
SAO
99362
HIP
53494
Tycho2
1432-00083-1
HD
94764
BD
BD+18 2422
Distance
195.31
Distance ly
637.1
last precise pa
101
last precise sep
17.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10566+1739 STF1490 1999 11 101 17.4 8.62 10.52 A3 N DV 105636.47+173920.1
10566+1739 STF1490 2009 12 101 17.3 8.62 10.52 A3 N DV 105636.47+173920.1
10566+1739 STF1490 2010 15 101 17.4 8.62 10.52 A3 NV 105636.47+173920.1

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