21462+5748 HJ 1694AB

 
 
21h 46m 11.07s +57 47' 33.7" P.A. 14 sep 19.9 mag 9.60,10.25 Sp B2
 
 
Coord 2000
21462+5748
Discov num
HJ 1694
Comp
AB
Coord arcsec 2000
21 46 11.07 +57 47 33.7
Date first
1828
Date last
2016
Obs
19
Pa first
15
Pa last
14
P.A. Now (θ)
14°
Sep first
17.5
Sep last
19.9
Sep. Now (ρ)
19.9"
Mag pri
9.60
Mag sec
10.25
delta mag (ΔM)
0.65
Spectral class
B2 (blue-white)
Pri motion ra
-003
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
+003
Notes
rPM=1.414
This double is not physical.
 
 
21462+5748 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21462+5748 HJ 1694 AB 1828 2016 19 14 19.9 9.60 10.25 0.65 <===
Show 21462+5748 ABH 151 AD 1987 2003 3 50 51.1 9.60 13.84 4.24
Show 21462+5748 ABH 151 AE 1987 2003 3 277 87.8 9.60 15.70 6.10
Show 21462+5748 ES 36 BC 1900 2016 8 139 7.1 10.25 13.20 2.95
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
13.6
Precise sep
19.852
Cdsa2 id
HJ 1694 AB
Constellation
Cepheus
Tycho2
3975-00721-1
Ra deg
21.769741666666665
De deg
57.79269444444444
last precise pa
13.6
last precise sep
19.852
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21462+5748 HJ 1694 AB 2004 16 14 19.8 9.60 10.25 B2 D 214611.07+574733.7
21462+5748 HJ 1694 AB 2016 19 14 19.9 9.60 10.25 B2 214611.07+574733.7

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