18170-1548 J  2513

 
 
18h 16m 59.56s -15 47' 48.8" P.A. 273 sep 3.8 mag 10.00,11.80
 
 
Coord 2000
18170-1548
Discov num
J  2513
Comp
Coord arcsec 2000
18 16 59.56 -15 47 48.8
Date first
1943
Date last
2001
Obs
4
Pa first
273
Pa last
273
P.A. Now (θ)
273°
Sep first
3.4
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
10.00
Mag sec
11.80
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+011
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.9
Precise sep
3.823
Constellation
Serpens
last precise pa
272.9
last precise sep
3.823
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18170-1548 J 2513 2001 3 273 3.8 10.00 11.80 D 181659.56-154748.8

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