02020+7054 BU  513AC

 
 
02h 01m 57.55s +70 54' 25.4" P.A. 52 sep 22.8 mag 4.65,13.20 Sp A3V dist. 35.26 pc (115.02 l.y.)
 
 
Coord 2000
02020+7054
Discov num
BU  513
Comp
AC
Coord arcsec 2000
02 01 57.55 +70 54 25.4
Date first
1878
Date last
2015
Obs
10
Pa first
49
Pa last
52
P.A. Now (θ)
52°
Sep first
24.0
Sep last
22.8
Sep. Now (ρ)
22.8"
Mag pri
4.65
Mag sec
13.20
delta mag (ΔM)
8.55
Spectral class
A3V (white)
Pri motion ra
-081
Sec motion ra
+178
Pri motion dec
+023
Sec motion dec
+193
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.18
This double is physical.
 
 
02020+7054 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 48 Cas 4554 02020+7054 BU 513 AB 1878 2013 220 339 0.5 4.65 6.74 2.09 Y
Show 4554 02020+7054 BU 513 AC 1878 2015 10 52 22.8 4.65 13.20 8.55 <===
Show 4554 02020+7054 BU 513 AD 1898 2015 7 87 54.0 4.65 12.60 7.95
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.9
Precise sep
22.75
Other name
A Cas
Constellation
Cassiopeia
SAO
4554
HIP
9480
Tycho2
4315-02126-1
HD
12111
HR
575
GC
2424
BD
BD+70 153
Flamsteed
48 Cassiopeiae
Flamsteed name
48 Cas
Distance
35.26
Distance ly
115.02
last precise pa
51.9
last precise sep
22.75
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02020+7054 BU 513 AC 1999 7 53 23.0 4.65 13.20 A3V N D 020157.55+705425.4
02020+7054 BU 513 AC 2003 8 52 23.2 4.65 13.20 A3V N D 020157.55+705425.4
02020+7054 BU 513 AC 2009 9 53 23.2 4.65 13.20 A3V NV 020157.55+705425.4
02020+7054 BU 513 AC 2015 10 52 22.8 4.65 13.20 A3V NV 020157.55+705425.4

If you need more information about this double, apply for a data request form to the WDS.