19552+1518 A  1661

 
 
19h 55m 10.99s +15 17' 57.4" P.A. 195 sep 2.6 mag 8.88,14.30 Sp A2
 
 
Coord 2000
19552+1518
Discov num
A  1661
Comp
Coord arcsec 2000
19 55 10.99 +15 17 57.4
Date first
1907
Date last
1931
Obs
3
Pa first
194
Pa last
195
P.A. Now (θ)
195°
Sep first
2.8
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
8.88
Mag sec
14.30
delta mag (ΔM)
5.42
Spectral class
A2 (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195
Precise sep
2.63
Constellation
Aquila
SAO
105421
Tycho2
1616-01442-1
HD
188544
last precise pa
195
last precise sep
2.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19552+1518 A 1661 1931 3 195 2.6 8.88 14.30 A2 195510.99+151757.4

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