18028-2617 B   373

 
 
18h 02m 46.54s -26 17' 22.5" P.A. 325 sep 5.8 mag 9.33,11.80 Sp B7III
 
 
Coord 2000
18028-2617
Discov num
B   373
Comp
Coord arcsec 2000
18 02 46.54 -26 17 22.5
Date first
1913
Date last
1999
Obs
5
Pa first
331
Pa last
325
P.A. Now (θ)
325°
Sep first
4.8
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
9.33
Mag sec
11.80
delta mag (ΔM)
2.47
Spectral class
B7III (blue-white)
Pri motion ra
+003
Sec motion ra
-008
Pri motion dec
-004
Sec motion dec
+004
Notes
rPM=1.521
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
325.1
Precise sep
5.771
Constellation
Sagittarius
Tycho2
6850-00470-1
HD
164561
last precise pa
325.1
last precise sep
5.771
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18028-2617 B 373 1998 4 325 5.7 9.33 11.80 B7III D 180246.54-261722.5
18028-2617 B 373 1999 5 325 5.8 9.33 11.80 B7III D 180246.54-261722.5

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