20347+4129 CAN  74AB

 
 
20h 34m 43.58s +41 29' 04.6" P.A. 29.00 sep 4.8 mag 7.70,15.60 Sp B2III
 
 
Coord 2000
20347+4129
Discov num
CAN  74
Comp
AB
Coord arcsec 2000
20 34 43.58 +41 29 04.6
Date first
2008
Date last
2008
Obs
1
Pa first
29
Pa last
29
P.A. Now (θ)
29°
Sep first
4.8
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
7.70
Mag sec
15.60
delta mag (ΔM)
7.9
Spectral class
B2III (blue-white)
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
Nature of this double is uncertain.
 
 
20347+4129 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 34 44 +41 29 05 CAN 74 AB 2008 1 29 4.8 7.70 15.60 7.90 <===
Show 20 34 44 +41 29 05 CAN 74 AC 2008 2 297 6.4 7.70 15.20 7.50
Show 20 34 44 +41 29 05 CAN 74 AD 2015 6 198 6.6 7.70 11.90 4.20
Show 20 34 44 +41 29 05 CAN 74 AE 2008 1 303 9.1 7.70 14.30 6.60
Show 20 34 44 +41 29 05 CAN 74 AF 2008 1 318 9.6 7.70 15.50 7.80
Show 20 34 44 +41 29 05 CAN 74 AG 2008 3 238 9.9 7.70 12.10 4.40
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.9
Precise sep
4.82
Constellation
Hydra
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20347+4129 CAN 74 AB 2008 1 29 4.8 7.70 15.60 B2III K 203443.58+412904.6

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