21101+4359 HJ 1618BC

 
 
21h 10m 04.99s +43 59' 01.8" P.A. 133 sep 3.1 mag 11.20,12.20
 
 
Coord 2000
21101+4359
Discov num
HJ 1618
Comp
BC
Coord arcsec 2000
21 10 04.99 +43 59 01.8
Date first
1902
Date last
2012
Obs
5
Pa first
133
Pa last
133
P.A. Now (θ)
133°
Sep first
2.9
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
11.20
Mag sec
12.20
delta mag (ΔM)
1
Spectral class
Pri motion ra
-014
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21101+4359 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21101+4359 HJ 1618 AB 1828 2012 8 173 21.8 8.27 11.20 2.93
Show 21101+4359 HJ 1618 BC 1902 2012 5 133 3.1 11.20 12.20 1.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
133
Precise sep
3.12
Cdsa2 id
HJ 1618 BC
Constellation
Cygnus
Ra deg
21.168052777777778
De deg
43.98383333333334
last precise pa
133
last precise sep
3.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21101+4359 HJ 1618 BC 1998 4 133 3.1 11.20 12.20 D 211004.99+435901.8
21101+4359 HJ 1618 BC 2012 5 133 3.1 11.20 12.20 D 211004.99+435901.8

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