18443+3940 STFA 37AI

 
 
18h 44m 20.34s +39 40' 12.4" P.A. 137 sep 149.5 mag 5.15,10.12 Sp A4V
 
 
Coord 2000
18443+3940
Discov num
STFA 37
Comp
AI
Coord arcsec 2000
18 44 20.34 +39 40 12.4
Date first
1863
Date last
2015
Obs
23
Pa first
135
Pa last
137
P.A. Now (θ)
137°
Sep first
145.4
Sep last
149.5
Sep. Now (ρ)
149.5"
Mag pri
5.15
Mag sec
10.12
delta mag (ΔM)
4.97
Spectral class
A4V (white)
Pri motion ra
+011
Sec motion ra
-007
Pri motion dec
+061
Sec motion dec
-004
Notes
N (See Notes)
rPM=1.088
This double is not physical.
 
 
18443+3940 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eps1 Lyr 67310 18443+3940 STF2382 AB 1777 2017 619 345 2.3 5.15 6.10 0.95 Y
Show Double Double 67310 18443+3940 STFA 37 AB,CD 1830 2016 97 172 209.5 4.67 4.56 0.11
Show 18443+3940 STFA 37 AD 1903 2013 17 172 208.6 5.15 5.38 0.23
Show 18443+3940 STFA 37 AI 1863 2015 23 137 149.5 5.15 10.12 4.97 <===
Show 18443+3940 STFA 37 BC 1903 2011 14 172 210.9 6.10 5.25 0.85
Show 18443+3940 STFA 37 BD 1903 2000 11 172 209.6 6.10 5.38 0.72
Show 18443+3940 STFA 37 BI 1872 2015 10 137 151.3 6.10 10.12 4.02
Show 67315 18443+3940 CHR 77 Ca,Cb 1985 2005 5 225 0.1 5.25
Show 67315 18443+3940 STF2383 CD 1777 2017 625 75 2.4 5.25 5.38 0.13 Y
Show 18443+3940 SHJ 277 CD,F 2002 2015 3 0 93.3 4.56 12.70 8.14
Show 18443+3940 SHJ 277 CD,G 2000 2015 4 293 75.1 4.56 14.20 9.64
Show 18443+3940 SHJ 277 CD,H 2000 2015 4 313 95.7 4.56 13.90 9.34
Show 18443+3940 STF2383 CE 2000 2015 8 334 63.2 5.25 12.30 7.05
Show 18443+3940 STFA 37 CI 1863 2012 18 37 120.4 5.25 10.12 4.87
Show 18443+3940 STFA 37 DI 1909 2000 6 37 121.6 5.38 10.12 4.74
Show 18443+3940 SHJ 277 EF 1831 2015 10 37 45.6 12.30 12.70 0.40
Show 18443+3940 SHJ 277 EG 1878 2015 6 236 50.0 12.30 14.20 1.90
Show 18443+3940 STFA 37 EI 2000 2011 3 68 108.9 12.30 10.12 2.18
Show 18443+3940 SHJ 277 GH 1878 2015 8 358 35.8 14.20 13.90 0.30
11-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
136.9
Precise sep
149.468
Cdsa2 id
STFA 37 AI
Constellation
Lyra
Ra deg
18.738983333333334
De deg
39.67011111111111
last precise pa
136.9
last precise sep
149.468
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18443+3940 STFA 37 AI 2008 14 138 150.1 5.15 10.43 N D 184420.34+394012.4
18443+3940 STFA 37 AI 2009 16 138 149.6 5.15 10.43 N D 184420.34+394012.4
18443+3940 STFA 37 AI 2010 17 138 149.1 5.15 10.43 N D 184420.34+394012.4
18443+3940 STFA 37 AI 2011 19 137 150.4 5.15 10.43 N D 184420.34+394012.4
18443+3940 STFA 37 AI 2012 20 138 150.0 5.15 10.43 A4V N 184420.34+394012.4
18443+3940 STFA 37 AI 2013 21 138 150.2 5.15 10.43 A4V N 184420.34+394012.4
18443+3940 STFA 37 AI 2015 23 137 149.5 5.15 10.12 A4V N 184420.34+394012.4

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