21101+4359 HJ 1618BC

 
 
21h 10m 04.99s +43 59' 01.8" P.A. 132 sep 2.9 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
2015
Obs
6
Pa first
133
Pa last
132
P.A. Now (θ)
132°
Sep first
2.9
Sep last
2.9
Sep. Now (ρ)
2.9"
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 50525 21101+4359 HJ 1618 AB 1828 2015 9 174 21.7 8.27 11.20 2.93
Show 50525 21101+4359 HJ 1618 BC 1902 2015 6 132 2.9 11.20 12.20 1.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
132.4
Precise sep
2.865
Constellation
Cygnus
SAO
50525
Tycho2
3181-05363-1
Gaia DR2
1970259523415834368
HD
201734
 
 
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
21101+4359 HJ 1618 BC 2015 6 132 2.9 11.20 12.20 211004.99+435901.8

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