18428+0541 TOK 324

 
 
18h 42m 45.86s +05 41' 14.7" P.A. 246 sep 222.4 mag 7.65,16.11 Sp F5 dist. 61.39 pc (200.25 l.y.)
 
 
Coord 2000
18428+0541
Discov num
TOK 324
Comp
Coord arcsec 2000
18 42 45.86 +05 41 14.7
Date first
1980
Date last
2010
Obs
4
Pa first
246
Pa last
246
P.A. Now (θ)
246°
Sep first
222.4
Sep last
222.4
Sep. Now (ρ)
222.4"
Mag pri
7.65
Mag sec
16.11
delta mag (ΔM)
8.46
Spectral class
F5 (yellow-white)
Pri motion ra
-034
Sec motion ra
-017
Pri motion dec
-057
Sec motion dec
-072
Notes
V (Proper motion indicates physical)
rPM=0.306
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.5
Precise sep
222.36
Constellation
Serpens
HIP
91766
HD
172961
BD
BD+05 3926
Distance
61.39
Distance ly
200.25
last precise pa
245.5
last precise sep
222.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18428+0541 TOK 324 1980 1 246 222.4 7.65 16.11 V 184245.86+054114.7
18428+0541 TOK 324 1999 2 246 222.6 7.65 16.11 V 184245.86+054114.7
18428+0541 TOK 324 2000 3 245 222.6 7.65 16.11 F5 V 184245.86+054114.7
18428+0541 TOK 324 2010 4 246 222.5 7.65 16.11 F5 V 184245.86+054114.7

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