20375-0303 J  1775BD

 
 
20h 37m 32.64s -03 02' 06.4" P.A. 238 sep 19.7 mag 12.20,12.60
 
 
Coord 2000
20375-0303
Discov num
J  1775
Comp
BD
Coord arcsec 2000
20 37 32.64 -03 02 06.4
Date first
1941
Date last
2015
Obs
8
Pa first
230
Pa last
238
P.A. Now (θ)
238°
Sep first
24.0
Sep last
19.7
Sep. Now (ρ)
19.7"
Mag pri
12.20
Mag sec
12.60
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-068
Sec motion ra
Pri motion dec
-030
Sec motion dec
Notes
N R (See Notes, Red magnitudes)
Nature of this double is uncertain.
 
 
20375-0303 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20375-0303 J 1775 AB 1894 2015 8 352 4.1 12.00 12.20 0.20
Show 20375-0303 BRT 505 AC 1894 2015 6 36 8.8 12.00 12.40 0.40
Show 20375-0303 J 1775 AD 1894 2015 8 249 18.3 11.25 12.66 1.41
Show 20375-0303 BRT 505 BC 1955 1998 5 77 5.8 12.20 12.40 0.20
Show 20375-0303 J 1775 BD 1941 2015 8 238 19.7 12.20 12.60 0.40 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237.7
Precise sep
19.678
Constellation
Aquila
Gaia DR2
31918953216
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20375-0303 J 1775 BD 1998 6 233 20.9 10.70 10.40 N D 203732.64-030206.4
20375-0303 J 1775 BD 2015 8 238 19.7 12.20 12.60 N R 203732.64-030206.4

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