18512-2500 B   410

 
 
18h 51m 11.90s -24 59' 35.1" P.A. 190 sep 0.8 mag 9.70,11.70 Sp A1/2IV
 
 
Coord 2000
18512-2500
Discov num
B   410
Comp
Coord arcsec 2000
18 51 11.90 -24 59 35.1
Date first
1927
Date last
1947
Obs
4
Pa first
190
Pa last
190
P.A. Now (θ)
190°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.70
Mag sec
11.70
delta mag (ΔM)
2
Spectral class
A1/2IV (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
190.2
Precise sep
0.78
Constellation
Sagittarius
SAO
187357
Tycho2
6864-00228-1
Gaia DR2
4074748104937578880
HD
174357
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18512-2500 B 410 1947 4 190 0.8 9.70 11.70 A1/2IV 185111.90-245935.1

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