16243+5520 SKF 242

 
 
16h 24m 17.44s +55 19' 55.1" P.A. 124 sep 18.6 mag 6.90,18.00 Sp F8 dist. 42.5 pc (138.64 l.y.)
 
 
Coord 2000
16243+5520
Discov num
SKF 242
Comp
Coord arcsec 2000
16 24 17.44 +55 19 55.1
Date first
1999
Date last
2005
Obs
2
Pa first
123
Pa last
124
P.A. Now (θ)
124°
Sep first
17.5
Sep last
18.6
Sep. Now (ρ)
18.6"
Mag pri
6.90
Mag sec
18.00
delta mag (ΔM)
11.1
Spectral class
F8 (yellow-white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-325
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
29930
HIP
80364
Tycho2
3881-01311-1
HD
148329
BD
BD+55 1844
Distance
42.5
Distance ly
138.64
last precise pa
123.6
last precise sep
18.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16243+5520 SKF 242 2005 1 124 19.5 6.90 18.00 F8 162417.44+551955.1

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