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 105322 19500+1702 HU 349 AB 1901 2000 9 237 2.4 9.00 13.40 4.40
Show 105322 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
Constellation
Sagitta
SAO
105322
Tycho2
1619-01184-1
HD
187549
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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