18508+1059 STF2404

 
 
18h 50m 45.55s +10 58' 35.2" P.A. 182 sep 3.5 mag 6.92,7.77 Sp K5III+K3
 
 
Coord 2000
18508+1059
Discov num
STF2404
Comp
Coord arcsec 2000
18 50 45.55 +10 58 35.2
Date first
1822
Date last
2017
Obs
136
Pa first
187
Pa last
182
P.A. Now (θ)
182°
Sep first
3.2
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
6.92
Mag sec
7.77
delta mag (ΔM)
0.85
Spectral class
K5III+K3 (yellow-orange/yellow-orange)
Pri motion ra
+011
Sec motion ra
+008
Pri motion dec
+025
Sec motion dec
+006
Notes
N (See Notes)
rPM=0.704
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181.7
Precise sep
3.548
Constellation
Aquila
SAO
104170
Tycho2
1030-03912-1
HD
174569
HR
7099
last precise pa
181.7
last precise sep
3.548
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18508+1059 STF2404 2007 124 181 3.5 6.92 7.77 N D 185045.55+105835.2
18508+1059 STF2404 2009 126 180 3.5 6.92 7.77 N D 185045.55+105835.2
18508+1059 STF2404 2010 130 181 3.4 6.92 7.77 N D 185045.55+105835.2
18508+1059 STF2404 2012 131 182 3.4 6.92 7.77 N D 185045.55+105835.2
18508+1059 STF2404 2014 132 182 3.6 6.92 7.77 K5III+K3 N D 185045.55+105835.2
18508+1059 STF2404 2016 135 181 3.6 6.92 7.77 K5III+K3 N 185045.55+105835.2
18508+1059 STF2404 2017 136 182 3.5 6.92 7.77 K5III+K3 N 185045.55+105835.2

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