19378+4031 TDT1595Aa,Ab

 
 
19h 37m 46.41s +40 30' 49.7" P.A. 308 sep 0.4 mag 8.95,9.56 Sp A0
 
 
Coord 2000
19378+4031
Discov num
TDT1595
Comp
Aa,Ab
Coord arcsec 2000
19 37 46.41 +40 30 49.7
Date first
1991
Date last
1991
Obs
1
Pa first
308
Pa last
308
P.A. Now (θ)
308°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
8.95
Mag sec
9.56
delta mag (ΔM)
0.61
Spectral class
A0 (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
19378+4031 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19378+4031 TDT1595 Aa,Ab 1991 1991 1 308 0.4 8.95 9.56 0.61 <===
Show 19378+4031 ES 1667 AB 1917 2014 3 99 3.9 8.53 12.00 3.47
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
307.7
Precise sep
0.37
Constellation
Cygnus
last precise pa
307.7
last precise sep
0.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19378+4031 TDT1595 Aa,Ab 1991 1 308 0.4 8.95 9.56 193746.41+403049.7

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