18100-3535 R   307

 
 
18h 10m 01.07s -35 35' 04.6" P.A. 352 sep 2.5 mag 9.48,10.27 Sp A1/2V
 
 
Coord 2000
18100-3535
Discov num
R   307
Comp
Coord arcsec 2000
18 10 01.07 -35 35 04.6
Date first
1880
Date last
1991
Obs
6
Pa first
356
Pa last
352
P.A. Now (θ)
352°
Sep first
1.7
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.48
Mag sec
10.27
delta mag (ΔM)
0.79
Spectral class
A1/2V (white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-038
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
351.6
Precise sep
2.48
Constellation
Sagittarius
SAO
209792
Tycho2
7400-00094-1
HD
165956
last precise pa
351.6
last precise sep
2.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18100-3535 R 307 1991 6 352 2.5 9.48 10.27 A1/2V 181001.07-353504.6

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