18528-1725 HU  257

 
 
18h 52m 45.82s -17 25' 21.4" P.A. 341 sep 2.1 mag 9.79,11.51 Sp Fm
 
 
Coord 2000
18528-1725
Discov num
HU  257
Comp
Coord arcsec 2000
18 52 45.82 -17 25 21.4
Date first
1900
Date last
1991
Obs
6
Pa first
341
Pa last
341
P.A. Now (θ)
341°
Sep first
2.3
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.79
Mag sec
11.51
delta mag (ΔM)
1.72
Spectral class
Fm (yellow-white)
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
-027
Sec motion dec
-027
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.6
Precise sep
2.13
Constellation
Sagittarius
Tycho2
6285-03180-1
HD
174739
last precise pa
340.6
last precise sep
2.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18528-1725 HU 257 1991 6 341 2.1 9.79 11.51 N 185245.82-172521.4

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