18573+0422 J  2159

 
 
18h 57m 16.17s +04 19' 34.0" P.A. 187 sep 7 mag 10.21,14.20 Sp F8
 
 
Coord 2000
18573+0422
Discov num
J  2159
Comp
Coord arcsec 2000
18 57 16.17 +04 19 34.0
Date first
1942
Date last
2000
Obs
3
Pa first
195
Pa last
187
P.A. Now (θ)
187°
Sep first
5.0
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
10.21
Mag sec
14.20
delta mag (ΔM)
3.99
Spectral class
F8 (yellow-white)
Pri motion ra
+023
Sec motion ra
Pri motion dec
+064
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
187.2
Precise sep
7.03
Constellation
Serpens
Tycho2
0457-00253-1
last precise pa
187.2
last precise sep
7.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18573+0422 J 2159 1942 1 195 5.0 10.21 14.20 F8 185715.31+042148.2
18573+0422 J 2159 2000 3 187 7.0 10.21 14.20 F8 185716.17+041934.0

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