18280+2708 ES  475

 
 
18h 28m 01.23s +27 07' 35.8" P.A. 223 sep 10.4 mag 9.74,10.70 Sp K0
 
 
Coord 2000
18280+2708
Discov num
ES  475
Comp
Coord arcsec 2000
18 28 01.23 +27 07 35.8
Date first
1897
Date last
2010
Obs
12
Pa first
217
Pa last
223
P.A. Now (θ)
223°
Sep first
10.1
Sep last
10.4
Sep. Now (ρ)
10.4"
Mag pri
9.74
Mag sec
10.70
delta mag (ΔM)
0.96
Spectral class
K0 (yellow-orange)
Pri motion ra
+002
Sec motion ra
-004
Pri motion dec
-014
Sec motion dec
-016
Notes
rPM=0.383
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
222.6
Precise sep
10.38
Constellation
Lyra
Tycho2
2114-00450-1
HD
336223
last precise pa
222.6
last precise sep
10.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18280+2708 ES 475 2006 10 220 10.9 9.74 10.70 K0 D 182801.23+270735.8
18280+2708 ES 475 2010 12 223 10.4 9.74 10.70 K0 182801.23+270735.8

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