20375-0303 J  1775AB

 
 
20h 37m 32.68s -03 02' 10.7" P.A. 352.00 sep 4.1 mag 12.00,12.20
 
 
Coord 2000
20375-0303
Discov num
J  1775
Comp
AB
Coord arcsec 2000
20 37 32.68 -03 02 10.7
Date first
1894
Date last
2015
Obs
8
Pa first
356
Pa last
352
P.A. Now (θ)
352°
Sep first
3.7
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
12.00
Mag sec
12.20
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
Sec motion ra
-068
Pri motion dec
Sec motion dec
-030
Notes
N R (See Notes, Red magnitudes)
Visually invisible, K-band or other infrared star 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
352.4
Precise sep
4.086
Constellation
Aquila
Gaia DR2
36209998976
 
 
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 AB 1998 6 352 4.1 10.20 10.70 D 203732.69-030210.4
20375-0303 J 1775 AB 2011 7 353 4.1 10.20 10.70 N D 203732.69-030210.4
20375-0303 J 1775 AB 2015 8 352 4.1 12.00 12.20 N R 203732.68-030210.7

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