18480-1647 HJ 2838

18h 47m 59.18s -16 46' 35.2" P.A. 335 sep 33.4 mag 7.12,12.10 Sp K2/3III

Coord 2000
18480-1647
Discov num
HJ 2838
Comp
Coord arcsec 2000
18 47 59.18 -16 46 35.2
Date first
1830
Date last
2010
Obs
12
Pa first
335
Pa last
335
P.A. Now (θ)
335°
Sep first
20.0
Sep last
33.4
Sep. Now (ρ)
33.4"
Mag pri
7.12
Mag sec
12.10
delta mag (ΔM)
4.98
Spectral class
K2/3III (yellow-orange)
Pri motion ra
-001
Sec motion ra
+015
Pri motion dec
-006
Sec motion dec
-003
Notes


rPM=1.064

This double is not physical.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
334.8
Precise sep
33.39
Constellation
Sagittarius
last precise pa
334.8
last precise sep
33.39




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18480-1647 HJ 2838 2004 9 335 33.4 6.95 11.10 K2/3III D 184759.18-164635.2
18480-1647 HJ 2838 2010 12 335 33.3 7.12 12.10 K2/3III 184759.18-164635.2

If you need more information about this double, apply for a data request form to the WDS.