18320+2031 LAW  18

 
 
18h 32m 02.91s +20 30' 58.4" P.A. 21 sep 1.3 mag 16.00,16.50 Sp M4.5+M5
 
 
Coord 2000
18320+2031
Discov num
LAW  18
Comp
Coord arcsec 2000
18 32 02.91 +20 30 58.4
Date first
2004
Date last
2005
Obs
2
Pa first
19
Pa last
21
P.A. Now (θ)
21°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
16.00
Mag sec
16.50
delta mag (ΔM)
0.5
Spectral class
M4.5+M5 (red/red)
Pri motion ra
-046
Sec motion ra
Pri motion dec
-202
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.6
Precise sep
1.303
Constellation
Hercules
last precise pa
20.6
last precise sep
1.303
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18320+2031 LAW 18 2005 1 21 1.3 15.94   M4.5 M5 N 183202.91+203058.4

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