02181+5731 BU 1170AE

 
 
02h 18m 04.58s +57 30' 58.7" P.A. 12 sep 207.5 mag 6.11,12.39 Sp G7III dist. 251.26 pc (819.61 l.y.)
 
 
Coord 2000
02181+5731
Discov num
BU 1170
Comp
AE
Coord arcsec 2000
02 18 04.58 +57 30 58.7
Date first
1880
Date last
2003
Obs
7
Pa first
11
Pa last
12
P.A. Now (θ)
12°
Sep first
206.7
Sep last
207.5
Sep. Now (ρ)
207.5"
Mag pri
6.11
Mag sec
12.39
delta mag (ΔM)
6.28
Spectral class
G7III (yellow)
Pri motion ra
-013
Sec motion ra
-001
Pri motion dec
-002
Sec motion dec
-001
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
02181+5731 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Chi Per 23149 02181+5731 BU 1170 A,BC 1835 2013 12 358 68.7 6.11 12.29 6.18
Show 23149 02181+5731 S 409 AD 1824 2011 20 136 123.4 6.11 9.62 3.51
Show 23149 02181+5731 BU 1170 AE 1880 2003 7 12 207.5 6.11 12.39 6.28 <===
Show 23149 02181+5731 BU 1170 BC 1890 1958 4 313 0.3 11.50 11.70 0.20
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
23149
HIP
10729
Tycho2
3694-02581-1
HD
13994
HR
662
GC
2752
BD
BD+56 486
Bayer
Chi Persei
Bayer name
Chi Per
Flamsteed
7 Persei
Flamsteed name
7 Per
Distance
251.26
Distance ly
819.61
last precise pa
11.8
last precise sep
207.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02181+5731 BU 1170 AE 1999 5 12 207.2 6.11 10.80 G7III N D 021804.60+573058.8
02181+5731 BU 1170 AE 2003 7 12 207.5 6.11 12.39 G7III N D 021804.58+573058.7

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