20249+1309 J   841AB

 
 
20h 24m 56.07s +13 08' 58.0" P.A. 274 sep 0.2 mag 10.40,11.40 Sp F8
 
 
Coord 2000
20249+1309
Discov num
J   841
Comp
AB
Coord arcsec 2000
20 24 56.07 +13 08 58.0
Date first
1912
Date last
1949
Obs
2
Pa first
230
Pa last
274
P.A. Now (θ)
274°
Sep first
0.7
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.40
Mag sec
11.40
delta mag (ΔM)
1
Spectral class
F8 (yellow-white)
Pri motion ra
-021
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20249+1309 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20249+1309 J 841 AB 1912 1949 2 274 0.2 10.40 11.40 1.00 <===
Show 20249+1309 J 841 AB,C 1906 2018 16 83 8.4 10.00 10.70 0.70
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274
Precise sep
0.21
Constellation
Delphinus
Tycho2
1086-01442-1
Gaia DR2
47699315456
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20249+1309 J 841 AB 1949 2 274 0.2 10.50 11.50 F8 N 202456.07+130858.0

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