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
Cdsa2 id
HEI 283 BC
Constellation
Cygnus
Ra deg
21.217791666666663
De deg
37.54377777777778
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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