18163+0000 J  2512

 
 
18h 16m 19.14s -00 01' 50.2" P.A. 204 sep 3.9 mag 9.40,12.00
 
 
Coord 2000
18163+0000
Discov num
J  2512
Comp
Coord arcsec 2000
18 16 19.14 -00 01 50.2
Date first
1943
Date last
2000
Obs
5
Pa first
210
Pa last
204
P.A. Now (θ)
204°
Sep first
4.0
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
9.40
Mag sec
12.00
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
203.7
Precise sep
3.894
Constellation
Serpens
last precise pa
203.7
last precise sep
3.894
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18163+0000 J 2512 1983 2 206 3.7 9.40 12.00 181620.00+000000.0
18163+0000 J 2512 2000 5 204 3.9 9.40 12.00 181619.14-000150.2
18163+0000 J 2512 2010 6 200 3.5 9.40 12.00 181619.14-000150.2

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