21130+3732 HEI 283BC

 
 
21h 13m 04.05s +37 32' 37.6" P.A. 80 sep 3.3 mag 11.20,11.70 Sp G5
 
 
Coord 2000
21130+3732
Discov num
HEI 283
Comp
BC
Coord arcsec 2000
21 13 04.05 +37 32 37.6
Date first
1982
Date last
2002
Obs
2
Pa first
89
Pa last
80
P.A. Now (θ)
80°
Sep first
2.5
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
11.20
Mag sec
11.70
delta mag (ΔM)
0.5
Spectral class
G5 (yellow)
Pri motion ra
-016
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21130+3732 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21130+3732 HEI 283 AB 1929 2011 5 74 35.6 9.56 12.65 3.09
Show 21130+3732 HEI 283 BC 1982 2002 2 80 3.3 11.20 11.70 0.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.1
Precise sep
3.307
Constellation
Cygnus
last precise pa
80.1
last precise sep
3.307
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21130+3732 HEI 283 BC 1982 1 89 2.5 11.20 11.70 G5 211304.05+373237.6
21130+3732 HEI 283 BC 2002 2 80 3.3 11.20 11.70 G5 211304.05+373237.6

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