18437+3024 STF2376AB

 
 
18h 43m 42.26s +30 24' 16.9" P.A. 62 sep 22.2 mag 8.66,9.31 Sp A0 dist. 202.84 pc (661.66 l.y.)
 
 
Coord 2000
18437+3024
Discov num
STF2376
Comp
AB
Coord arcsec 2000
18 43 42.26 +30 24 16.9
Date first
1830
Date last
2013
Obs
36
Pa first
64
Pa last
62
P.A. Now (θ)
62°
Sep first
22.3
Sep last
22.2
Sep. Now (ρ)
22.2"
Mag pri
8.66
Mag sec
9.31
delta mag (ΔM)
0.65
Spectral class
A0 (white)
Pri motion ra
+007
Sec motion ra
+009
Pri motion dec
+007
Sec motion dec
+008
Notes
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
18437+3024 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18437+3024 STF2376 AB 1830 2013 36 62 22.2 8.66 9.31 0.65 <===
Show 18437+3024 STF2376 AC 1880 2013 11 206 85.3 8.66 12.12 3.46
Show 18437+3024 SLE 112 AD 1982 2013 4 168 29.5 8.66 12.90 4.24
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62.4
Precise sep
22.19
Cdsa2 id
STF 2376 AB
Constellation
Lyra
HIP
91863
Tycho2
2637-02280-1
HD
173384
BD
BD+30 3281
Ra deg
18.728405555555554
De deg
30.40469444444444
Distance
202.84
Distance ly
661.66
last precise pa
62.4
last precise sep
22.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18437+3024 STF2376 AB 2005 32 63 22.4 8.66 9.31 A0 D 184342.26+302416.9
18437+3024 STF2376 AB 2006 33 62 22.3 8.66 9.31 A0 D 184342.26+302416.9
18437+3024 STF2376 AB 2013 36 62 22.2 8.66 9.31 A0 D 184342.26+302416.9

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