18198-0458 SCJ  16 (QS Ser)

 
 
18h 19m 48.17s -04 57' 41.8" P.A. 209 sep 3.4 mag 7.88,9.68 Sp G0 dist. 59.63 pc (194.51 l.y.)
 
 
Coord 2000
18198-0458
Discov num
SCJ  16
Comp
Coord arcsec 2000
18 19 48.17 -04 57 41.8
Date first
1874
Date last
2012
Obs
48
Pa first
193
Pa last
209
P.A. Now (θ)
209°
Sep first
2.3
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
7.88
Mag sec
9.68
delta mag (ΔM)
1.8
Spectral class
G0 (yellow)
Pri motion ra
+108
Sec motion ra
+088
Pri motion dec
+020
Sec motion dec
-020
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.407
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.5
Precise sep
3.4
Var name
QS Ser
Constellation
Serpens
HIP
89816
Tycho2
5106-00428-1
HD
168432
BD
BD-05 4626
Distance
59.63
Distance ly
194.51
last precise pa
208.5
last precise sep
3.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18198-0458 SCJ 16 2006 47 209 3.2 7.88 9.68 G0 D 181948.17-045741.8
18198-0458 SCJ 16 2012 48 209 3.4 7.88 9.68 G0 D 181948.17-045741.8

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