19552+1518 A  1661

 
 
19h 55m 10.99s +15 17' 57.4" P.A. 194.00 sep 2.9 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
2015
Obs
4
Pa first
194
Pa last
194
P.A. Now (θ)
194°
Sep first
2.8
Sep last
2.9
Sep. Now (ρ)
2.9"
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
S (Parallax indidates non-physical)
Visually invisible, K-band or other infrared star This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.4
Precise sep
2.894
Constellation
Aquila
SAO
105421
Tycho2
1616-01442-1
Gaia DR2
22209818112
HD
188544
 
 
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
19552+1518 A 1661 2015 4 194 2.9 8.88 14.30 A2 S 195510.99+151757.4

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