20100+1021 A  1199AB

 
 
20h 09m 59.56s +10 20' 59.0" P.A. 244 sep 2.9 mag 9.14,11.40 Sp A0V
 
 
Coord 2000
20100+1021
Discov num
A  1199
Comp
AB
Coord arcsec 2000
20 09 59.56 +10 20 59.0
Date first
1905
Date last
2012
Obs
20
Pa first
241
Pa last
244
P.A. Now (θ)
244°
Sep first
2.8
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
9.14
Mag sec
11.40
delta mag (ΔM)
2.26
Spectral class
A0V (white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20100+1021 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20100+1021 A 1199 AB 1905 2012 20 244 2.9 9.14 11.40 2.26 <===
Show 20100+1021 A 1199 AC 1915 2015 4 293 50.6 9.14 12.94 3.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244.2
Precise sep
2.89
Constellation
Aquila
SAO
105774
Tycho2
1076-02109-1
Gaia DR2
50384691200
HD
191515
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20100+1021 A 1199 AB 1974 19 244 2.9 9.14 11.40 A0V N D 200959.56+102059.0
20100+1021 A 1199 AB 2012 20 244 2.9 9.14 11.40 A0V N D 200959.56+102059.0

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