02439+2538 BU  306AB

 
 
02h 43m 51.25s +25 38' 18.0" P.A. 19 sep 3 mag 6.40,10.36 Sp A3V dist. 104.28 pc (340.16 l.y.)
 
 
Coord 2000
02439+2538
Discov num
BU  306
Comp
AB
Coord arcsec 2000
02 43 51.25 +25 38 18.0
Date first
1870
Date last
2015
Obs
30
Pa first
17
Pa last
19
P.A. Now (θ)
19°
Sep first
2.9
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
6.40
Mag sec
10.36
delta mag (ΔM)
3.96
Spectral class
A3V (white)
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
+006
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
02439+2538 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 75539 02439+2538 BU 306 AB 1870 2015 30 19 3.0 6.40 10.36 3.96 <===
Show 75539 02439+2538 BU 306 AC 1910 2015 9 92 51.1 6.40 12.94 6.54
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
75539
HIP
12744
Tycho2
1772-00041-1
HD
16955
HR
803
BD
BD+25 441
Distance
104.28
Distance ly
340.16
last precise pa
18.9
last precise sep
2.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02439+2538 BU 306 AB 1991 28 19 3.0 6.40 10.36 A3V D 024351.25+253818.0
02439+2538 BU 306 AB 2015 29 19 3.0 6.40 10.36 A3V 024351.25+253818.0

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