18292-2921 B  2451

 
 
18h 29m 11.84s -29 20' 54.0" P.A. 244 sep 9.3 mag 8.30,13.00 Sp K0
 
 
Coord 2000
18292-2921
Discov num
B  2451
Comp
Coord arcsec 2000
18 29 11.84 -29 20 54.0
Date first
1930
Date last
2015
Obs
3
Pa first
225
Pa last
244
P.A. Now (θ)
244°
Sep first
7.0
Sep last
9.3
Sep. Now (ρ)
9.3"
Mag pri
8.30
Mag sec
13.00
delta mag (ΔM)
4.7
Spectral class
K0 (yellow-orange)
Pri motion ra
+012
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244.4
Precise sep
9.299
Constellation
Sagittarius
SAO
186866
Tycho2
6869-00694-1
HD
170143
last precise pa
244.4
last precise sep
9.299
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18292-2921 B 2451 1930 1 225 7.0 8.30 13.00 K0 182911.84-292054.0
18292-2921 B 2451 2015 3 244 9.3 8.30 13.00 K0 182911.84-292054.0

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