18429+4456 STF2380

 
 
18h 42m 55.42s +44 55' 30.9" P.A. 8 sep 25.5 mag 7.28,8.70 Sp G8III dist. 138.12 pc (450.55 l.y.)
 
 
Coord 2000
18429+4456
Discov num
STF2380
Comp
Coord arcsec 2000
18 42 55.42 +44 55 30.9
Date first
1831
Date last
2015
Obs
53
Pa first
10
Pa last
8
P.A. Now (θ)
Sep first
25.8
Sep last
25.5
Sep. Now (ρ)
25.5"
Mag pri
7.28
Mag sec
8.70
delta mag (ΔM)
1.42
Spectral class
G8III (yellow)
Pri motion ra
-014
Sec motion ra
-013
Pri motion dec
-022
Sec motion dec
-020
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.086 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7.6
Precise sep
25.52
Constellation
Lyra
SAO
47727
HIP
91782
Tycho2
3130-02982-1
HD
173399
BD
BD+44 2973
Distance
138.12
Distance ly
450.55
last precise pa
7.6
last precise sep
25.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18429+4456 STF2380 2005 45 8 25.8 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2008 47 8 25.6 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2012 50 8 25.7 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2013 51 8 25.7 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2015 52 8 25.5 7.28 8.70 G8III NZ 184255.42+445530.9

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