19309+5402 A  1398

 
 
19h 30m 55.35s +54 01' 35.9" P.A. 49 sep 1.5 mag 9.16,10.57 Sp A0
 
 
Coord 2000
19309+5402
Discov num
A  1398
Comp
Coord arcsec 2000
19 30 55.35 +54 01 35.9
Date first
1906
Date last
2015
Obs
11
Pa first
57
Pa last
49
P.A. Now (θ)
49°
Sep first
1.4
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.16
Mag sec
10.57
delta mag (ΔM)
1.41
Spectral class
A0 (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-015
Sec motion dec
-015
Notes
rPM=0.031 (< 0.3, Physical double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
M2+M3
last precise pa
48.7
last precise sep
1.505
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19309+5402 A 1398 1991 10 50 1.6 9.16 10.57 A0 D 193055.35+540135.9
19309+5402 A 1398 2015 11 49 1.5 9.16 10.57 A0 193055.35+540135.9

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