19551+3012 WAL 121AD

 
 
19h 55m 06.50s +30 11' 41.6" P.A. 145.00 sep 54.8 mag 6.63,12.21 Sp B6V dist. 262.47 pc (856.18 l.y.)
 
 
Coord 2000
19551+3012
Discov num
WAL 121
Comp
AD
Coord arcsec 2000
19 55 06.50 +30 11 41.6
Date first
1944
Date last
2015
Obs
5
Pa first
160
Pa last
145
P.A. Now (θ)
145°
Sep first
50.0
Sep last
54.8
Sep. Now (ρ)
54.8"
Mag pri
6.63
Mag sec
12.21
delta mag (ΔM)
5.58
Spectral class
B6V (blue-white)
Pri motion ra
+003
Sec motion ra
-004
Pri motion dec
-004
Sec motion dec
-005
Notes
rPM=1.104
This double is not physical.
 
 
19551+3012 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69079 19551+3012 STT 390 AB 1849 2015 33 22 9.6 6.63 9.50 2.87
Show 69079 19551+3012 STT 390 AC 1849 2015 17 176 15.8 6.63 11.23 4.60
Show 69079 19551+3012 WAL 121 AD 1944 2015 5 145 54.8 6.63 12.21 5.58 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.5
Precise sep
54.75
Constellation
Cygnus
SAO
69079
HIP
98017
Tycho2
2669-05015-1
Gaia DR2
93316732288
HD
188651
HR
7607
BD
BD+29 3802
Distance
262.47
Distance ly
856.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19551+3012 WAL 121 AD 1998 2 160 50.3 6.63 12.21 B6V D 195506.50+301141.6
19551+3012 WAL 121 AD 2013 3 145 55.3 6.63 12.21 B6V 195506.50+301141.6
19551+3012 WAL 121 AD 2015 4 145 54.8 6.63 12.21 B6V 195506.50+301141.6

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 19551+3012 WAL 121AD : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 

 
 
WDS 19551+3012 WAL 121AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19551+3012 WAL 121AD : MEASURES
 
 
No records found.

 
 
WDS 19551+3012 WAL 121AD : Virtual Eyepiece
 
 

19551+3012 A mag 6.63 Sp B6V 19551+3012 B sep 9.4 P.A. 19.20 mag 9.5 Sp A5V 19551+3012 C sep 15.8 P.A. 176.90 mag 11.23 19551+3012 D sep 52.4 P.A. 148.30 mag 12.21 virtual eyepiece
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Radius:
 
 
WDS 19551+3012 WAL 121AD : Aladin DSS image @ 19h 55m 06.50s +30 11' 41.6"