18384+2842 STF2356

 
 
18h 38m 22.51s +28 41' 49.7" P.A. 63 sep 1 mag 8.79,9.23 Sp F0 dist. 598.8 pc (1953.29 l.y.)
 
 
Coord 2000
18384+2842
Discov num
STF2356
Comp
Coord arcsec 2000
18 38 22.51 +28 41 49.7
Date first
1831
Date last
2015
Obs
99
Pa first
47
Pa last
63
P.A. Now (θ)
63°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
8.79
Mag sec
9.23
delta mag (ΔM)
0.44
Spectral class
F0 (yellow-white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-019
Sec motion dec
-019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62.6
Precise sep
1
Constellation
Lyra
SAO
86271
HIP
91392
Tycho2
2119-00363-1
HD
172325
BD
BD+28 3040
Distance
598.8
Distance ly
1953.29
last precise pa
62.6
last precise sep
1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18384+2842 STF2356 1998 100 62 1.1 8.79 9.23 F0 D 183822.51+284149.7
18384+2842 STF2356 2006 102 63 1.1 8.79 9.23 F0 D 183822.51+284149.7
18384+2842 STF2356 2009 103 63 1.1 8.79 9.23 F0 D 183822.51+284149.7
18384+2842 STF2356 2010 105 62 1.2 8.79 9.23 F0 D 183822.51+284149.7
18384+2842 STF2356 2011 106 63 1.1 8.79 9.23 F0 183822.51+284149.7
18384+2842 STF2356 2015 99 63 1.0 8.79 9.23 F0 183822.51+284149.7

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