02020+7054 BU 513 AC

02h 01m 57.55s +70° 54' 25.4" P.A. 52.00 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 51.9 P.A. Now (θ) 51.9°
Sep first 24.0 Sep last 22.75 Sep. Now (ρ) 22.75"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 48 Cas 4554 02 01 58 +70 54 25 BU 513 AB 2013 219 320 0.6 4.65 6.74 2.09 Y
Show 4554 02 01 58 +70 54 25 BU 513 AC 2015 10 52 22.8 4.65 13.20 8.55 <===
Show 4554 02 01 58 +70 54 25 BU 513 AD 2015 7 87 54.0 4.65 12.60 7.95


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Var name NSV694 Cas Constellation Cassiopeia SAO 4554 HIP 9480
Tycho2 4315-02126-1 Gaia DR2 522185735919412480 HD 12111 HR 575
GC 2424 ADS 1598 BD BD+70 153 Flamsteed 48 Cassiopeiae
Flamsteed name 48 Cas Distance 35.26 Distance ly 115.02