19557+3443 HLM  33AC

 
 
19h 55m 40.02s +34 42' 34.8" P.A. 292 sep 14.7 mag 10.70,11.80 Sp A3
 
 
Coord 2000
19557+3443
Discov num
HLM  33
Comp
AC
Coord arcsec 2000
19 55 40.02 +34 42 34.8
Date first
1894
Date last
2012
Obs
13
Pa first
285
Pa last
292
P.A. Now (θ)
292°
Sep first
15.5
Sep last
14.7
Sep. Now (ρ)
14.7"
Mag pri
10.70
Mag sec
11.80
delta mag (ΔM)
1.1
Spectral class
A3 (white)
Pri motion ra
-004
Sec motion ra
+008
Pri motion dec
-010
Sec motion dec
+007
Notes
N (See Notes)
rPM=1.932
This double is not physical.
 
 
19557+3443 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19557+3443 HLM 33 AB 1894 2012 13 76 12.0 10.70 11.30 0.60
Show 19557+3443 HLM 33 AC 1894 2012 13 292 14.7 10.70 11.80 1.10 <===
Show 19557+3443 HLM 33 AD 1924 2012 5 129 13.8 10.70 13.80 3.10
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292
Precise sep
14.7
Constellation
Cygnus
Tycho2
2677-00851-1
HD
226582
last precise pa
292
last precise sep
14.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19557+3443 HLM 33 AC 1998 10 290 14.8 10.70 11.80 N D 195540.02+344234.8
19557+3443 HLM 33 AC 2002 11 291 14.7 10.70 11.80 N D 195540.02+344234.8
19557+3443 HLM 33 AC 2012 12 292 14.7 10.70 11.80 N D 195540.02+344234.8

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