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
Gaia DR2
87665288576
 
 
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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