18497-2538 B   407

 
 
18h 49m 41.64s -25 38' 07.4" P.A. 358 sep 0.8 mag 10.90,10.75 Sp G
 
 
Coord 2000
18497-2538
Discov num
B   407
Comp
Coord arcsec 2000
18 49 41.64 -25 38 07.4
Date first
1926
Date last
2016
Obs
6
Pa first
10
Pa last
358
P.A. Now (θ)
358°
Sep first
0.6
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
10.90
Mag sec
10.75
delta mag (ΔM)
0.15
Spectral class
G (yellow)
Pri motion ra
-013
Sec motion ra
-013
Pri motion dec
-022
Sec motion dec
-022
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
357.6
Precise sep
0.776
Constellation
Sagittarius
Tycho2
6863-01082-1
last precise pa
357.6
last precise sep
0.776
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18497-2538 B 407 1991 5 354 0.8 10.90 10.75 G 184941.64-253807.4
18497-2538 B 407 2016 6 358 0.8 10.90 10.75 G 184941.64-253807.4

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