17489-0650 LDS 613

 
 
17h 48m 50.49s -06 49' 53.8" P.A. 131 sep 4 mag 15.00,15.40 Sp M1
 
 
Coord 2000
17489-0650
Discov num
LDS 613
Comp
Coord arcsec 2000
17 48 50.49 -06 49 53.8
Date first
1920
Date last
2010
Obs
6
Pa first
135
Pa last
131
P.A. Now (θ)
131°
Sep first
5.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
15.00
Mag sec
15.40
delta mag (ΔM)
0.4
Spectral class
M1 (red)
Pri motion ra
+237
Sec motion ra
Pri motion dec
-191
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
131.1
Precise sep
3.99
Constellation
Ophiuchus
last precise pa
131.1
last precise sep
3.99
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17489-0650 LDS 613 1999 4 131 4.0 15.00 15.40 D 174850.47-064953.5
17489-0650 LDS 613 2000 5 131 4.1 15.00 15.40 D 174850.47-064953.5
17489-0650 LDS 613 2010 6 131 4.0 15.00 15.40 M1 174850.49-064953.8

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