18437+3024 STF2376AC

 
 
18h 43m 42.26s +30 24' 16.9" P.A. 206 sep 85.3 mag 8.66,12.12 Sp A0 dist. 202.84 pc (661.66 l.y.)
 
 
Coord 2000
18437+3024
Discov num
STF2376
Comp
AC
Coord arcsec 2000
18 43 42.26 +30 24 16.9
Date first
1880
Date last
2013
Obs
11
Pa first
207
Pa last
206
P.A. Now (θ)
206°
Sep first
81.5
Sep last
85.3
Sep. Now (ρ)
85.3"
Mag pri
8.66
Mag sec
12.12
delta mag (ΔM)
3.46
Spectral class
A0 (white)
Pri motion ra
+007
Sec motion ra
-008
Pri motion dec
+007
Sec motion dec
-018
Notes
rPM=1.48
This double is not physical.
 
 
18437+3024 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67290 18437+3024 STF2376 AB 1830 2013 36 62 22.2 8.66 9.31 0.65
Show 67290 18437+3024 STF2376 AC 1880 2013 11 206 85.3 8.66 12.12 3.46 <===
Show 67290 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
206.2
Precise sep
85.29
Constellation
Lyra
SAO
67290
HIP
91863
Tycho2
2637-02280-1
HD
173384
BD
BD+30 3281
Distance
202.84
Distance ly
661.66
last precise pa
206.2
last precise sep
85.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18437+3024 STF2376 AC 1998 8 206 84.5 8.66 12.12 A0 D 184342.26+302416.9
18437+3024 STF2376 AC 2002 9 206 84.6 8.66 12.12 A0 D 184342.26+302416.9
18437+3024 STF2376 AC 2013 11 206 85.3 8.66 12.12 A0 184342.26+302416.9

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