19500+1702 HU  349AC

 
 
19h 49m 58.74s +17 01' 41.9" P.A. 28 sep 57.7 mag 9.00,12.80 Sp B9
 
 
Coord 2000
19500+1702
Discov num
HU  349
Comp
AC
Coord arcsec 2000
19 49 58.74 +17 01 41.9
Date first
1915
Date last
2009
Obs
5
Pa first
30
Pa last
28
P.A. Now (θ)
28°
Sep first
57.8
Sep last
57.7
Sep. Now (ρ)
57.7"
Mag pri
9.00
Mag sec
12.80
delta mag (ΔM)
3.8
Spectral class
B9 (blue-white)
Pri motion ra
+002
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
+038
Notes
rPM=1.076
This double is not physical.
 
 
19500+1702 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19500+1702 HU 349 AB 1901 2000 9 237 2.4 9.00 13.40 4.40
Show 19500+1702 HU 349 AC 1915 2009 5 28 57.7 9.00 12.80 3.80 <===
Show 19500+1702 J 1107 CD 1915 2009 4 197 3.1 12.80 13.50 0.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.2
Precise sep
57.71
Cdsa2 id
HU 349 AC
Constellation
Sagitta
Ra deg
19.832983333333335
De deg
17.028305555555555
last precise pa
28.2
last precise sep
57.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19500+1702 HU 349 AC 2000 3 29 54.9 8.96 13.10 B9 D 194958.73+170141.9
19500+1702 HU 349 AC 2009 4 28 57.7 9.00 11.30 B9 D 194958.74+170141.9

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