18142+6445 COM   4

 
 
18h 14m 12.26s +64 45' 08.5" P.A. 279 sep 298.5 mag 7.46,9.37 Sp K2 dist. 281.69 pc (918.87 l.y.)
 
 
Coord 2000
18142+6445
Discov num
COM   4
Comp
Coord arcsec 2000
18 14 12.26 +64 45 08.5
Date first
1895
Date last
2010
Obs
13
Pa first
282
Pa last
279
P.A. Now (θ)
279°
Sep first
299.1
Sep last
298.5
Sep. Now (ρ)
298.5"
Mag pri
7.46
Mag sec
9.37
delta mag (ΔM)
1.91
Spectral class
K2 (yellow-orange)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
+019
Sec motion dec
-017
Notes
N (See Notes)
rPM=1.872
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.3
Precise sep
298.45
Constellation
Draco
SAO
17831
HIP
89367
Tycho2
4209-01019-1
HD
168267
BD
BD+64 1253
Distance
281.69
Distance ly
918.87
last precise pa
279.3
last precise sep
298.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18142+6445 COM 4 1999 10 280 298.6 7.46 9.37 K2 N D 181412.26+644508.5
18142+6445 COM 4 2004 12 280 298.5 7.46 9.37 K2 N D 181412.26+644508.5
18142+6445 COM 4 2010 13 279 298.4 7.46 9.37 K2 N 181412.26+644508.5

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