18389+4042 A   586

 
 
18h 38m 55.26s +40 41' 56.2" P.A. 204 sep 2.2 mag 9.13,11.03 Sp F5
 
 
Coord 2000
18389+4042
Discov num
A   586
Comp
Coord arcsec 2000
18 38 55.26 +40 41 56.2
Date first
1903
Date last
2002
Obs
11
Pa first
204
Pa last
204
P.A. Now (θ)
204°
Sep first
2.1
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
9.13
Mag sec
11.03
delta mag (ΔM)
1.9
Spectral class
F5 (yellow-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
203.6
Precise sep
2.19
Constellation
Lyra
SAO
47671
Tycho2
3109-01786-1
last precise pa
203.6
last precise sep
2.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18389+4042 A 586 2002 11 204 2.2 9.13 11.03 F5 183855.26+404156.2

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