18570+0228 HJ 5504

 
 
18h 56m 58.05s +02 27' 42.2" P.A. 306 sep 68.6 mag 7.70,10.80 Sp F8 dist. 126.58 pc (412.9 l.y.)
 
 
Coord 2000
18570+0228
Discov num
HJ 5504
Comp
Coord arcsec 2000
18 56 58.05 +02 27 42.2
Date first
1909
Date last
2012
Obs
11
Pa first
284
Pa last
306
P.A. Now (θ)
306°
Sep first
54.6
Sep last
68.6
Sep. Now (ρ)
68.6"
Mag pri
7.70
Mag sec
10.80
delta mag (ΔM)
3.1
Spectral class
F8 (yellow-white)
Pri motion ra
+029
Sec motion ra
-003
Pri motion dec
-011
Sec motion dec
-005
Notes
rPM=1.05
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.6
Precise sep
68.63
Constellation
Serpens
HIP
93016
Tycho2
0453-00154-1
HD
175805
BD
BD+02 3737
Distance
126.58
Distance ly
412.9
last precise pa
305.6
last precise sep
68.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18570+0228 HJ 5504 2002 8 306 68.9 7.63 10.10 F8 D 185658.05+022742.2
18570+0228 HJ 5504 2012 10 306 68.6 7.63 10.10 F8 D 185658.05+022742.2

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