10092+2147 HJ 2520AB

 
 
10h 09m 10.44s +21 47' 25.3" P.A. 344 sep 33.9 mag 8.95,11.25 Sp A0 dist. 186.22 pc (607.45 l.y.)
 
 
Coord 2000
10092+2147
Discov num
HJ 2520
Comp
AB
Coord arcsec 2000
10 09 10.44 +21 47 25.3
Date first
1830
Date last
2017
Obs
11
Pa first
340
Pa last
344
P.A. Now (θ)
344°
Sep first
24.0
Sep last
33.9
Sep. Now (ρ)
33.9"
Mag pri
8.95
Mag sec
11.25
delta mag (ΔM)
2.3
Spectral class
A0 (white)
Pri motion ra
-039
Sec motion ra
-039
Pri motion dec
-013
Sec motion dec
-011
Notes
V (Proper motion indicates physical)
rPM=0.049 (< 0.3, Physical double)
This double is physical.
 
 
10092+2147 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 81206 10092+2147 HJ 2520 AB 1830 2017 11 344 33.9 8.95 11.25 2.30 <===
Show 10092+2147 COU 168 Ba,Bb 1967 1967 1 239 0.4 11.20 11.20 0.00
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343.8
Precise sep
33.921
Constellation
Leo
SAO
81206
HIP
49735
Tycho2
1425-00646-1
HD
87994
BD
BD+22 2185
Distance
186.22
Distance ly
607.45
last precise pa
343.8
last precise sep
33.921
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10092+2147 HJ 2520 AB 2001 9 343 33.9 8.00 11.90 A0 DV 100910.44+214725.3
10092+2147 HJ 2520 AB 2017 11 344 33.9 8.95 11.25 A0 V 100910.44+214725.3

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