18510-1747 HJ 2842

 
 
18h 51m 00.81s -17 47' 20.5" P.A. 338 sep 29.8 mag 8.49,10.08 Sp A0V
 
 
Coord 2000
18510-1747
Discov num
HJ 2842
Comp
Coord arcsec 2000
18 51 00.81 -17 47 20.5
Date first
1831
Date last
2010
Obs
14
Pa first
340
Pa last
338
P.A. Now (θ)
338°
Sep first
30.0
Sep last
29.8
Sep. Now (ρ)
29.8"
Mag pri
8.49
Mag sec
10.08
delta mag (ΔM)
1.59
Spectral class
A0V (white)
Pri motion ra
+005
Sec motion ra
+000
Pri motion dec
+000
Sec motion dec
+013
Notes
Y (Parallax indicates components are non-physical)
rPM=1.071
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.8
Precise sep
29.78
Constellation
Sagittarius
Tycho2
6285-03930-1
HD
174400
last precise pa
337.8
last precise sep
29.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18510-1747 HJ 2842 2004 12 338 30.1 8.49 10.08 A0V YD 185100.81-174720.5
18510-1747 HJ 2842 2010 14 338 29.7 8.49 10.08 A0V Y 185100.81-174720.5

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