18413+3018 STF2367AB,C

 
 
18h 41m 16.36s +30 17' 40.9" P.A. 192 sep 14.1 mag 7.05,8.75 Sp G3IV dist. 136.05 pc (443.8 l.y.)
 
 
Coord 2000
18413+3018
Discov num
STF2367
Comp
AB,C
Coord arcsec 2000
18 41 16.36 +30 17 40.9
Date first
1828
Date last
2017
Obs
78
Pa first
193
Pa last
192
P.A. Now (θ)
192°
Sep first
11.0
Sep last
14.1
Sep. Now (ρ)
14.1"
Mag pri
7.05
Mag sec
8.75
delta mag (ΔM)
1.7
Spectral class
G3IV (yellow)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-040
Sec motion dec
-040
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
18413+3018 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67250 18413+3018 STF2367 AB 1833 2011 180 72 0.4 7.70 8.03 0.33 Y
Show 67250 18413+3018 STF2367 AB,C 1828 2017 78 192 14.1 7.05 8.75 1.70 <===
Show 67250 18413+3018 STF2367 AB,D 1891 2007 3 84 21.9 7.05 12.00 4.95
Show 67250 18413+3018 STF2367 AB,E 1880 2002 4 341 151.7 7.05 11.00 3.95
Show 67250 18413+3018 BTG 2 AB,F 1998 2007 3 173 42.4 7.05 15.10 8.05
Sextuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
192.2
Precise sep
14.129
Constellation
Lyra
SAO
67250
HIP
91636
Tycho2
2637-00713-1
HD
172865
BD
BD+30 3271
Distance
136.05
Distance ly
443.8
last precise pa
192.2
last precise sep
14.129
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18413+3018 STF2367 AB,C 2009 75 192 14.1 7.05 8.75 G3IV N D 184116.36+301740.9
18413+3018 STF2367 AB,C 2012 77 192 14.3 7.05 8.75 G3IV N D 184116.36+301740.9
18413+3018 STF2367 AB,C 2017 78 192 14.1 7.05 8.75 G3IV NV 184116.36+301740.9

If you need more information about this double, apply for a data request form to the WDS.