20275+1454 A  1674AB

 
 
20h 27m 31.64s +14 53' 33.6" P.A. 14 sep 0.9 mag 9.80,13.10 Sp A0
 
 
Coord 2000
20275+1454
Discov num
A  1674
Comp
AB
Coord arcsec 2000
20 27 31.64 +14 53 33.6
Date first
1907
Date last
2018
Obs
9
Pa first
12
Pa last
14
P.A. Now (θ)
14°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.80
Mag sec
13.10
delta mag (ΔM)
3.3
Spectral class
A0 (white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
+013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20275+1454 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20275+1454 A 1674 AB 1907 2018 9 14 0.9 9.80 13.10 3.30 <===
Show 20275+1454 A 1674 AC 1897 2015 12 294 8.4 9.72 12.50 2.78
Show 20275+1454 A 1674 CD 1907 2018 4 171 1.3 12.50 13.50 1.00
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14.1
Precise sep
0.92
Constellation
Delphinus
SAO
106127
Tycho2
1099-01659-1
Gaia DR2
09142322432
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20275+1454 A 1674 AB 1977 7 11 0.7 9.80 13.10 A0 202731.64+145333.6
20275+1454 A 1674 AB 2011 8 14 0.9 9.80 13.10 A0 202731.64+145333.6

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