18457+3218 SEI 574

 
 
18h 45m 40.75s +32 18' 05.7" P.A. 263 sep 18.7 mag 9.20,11.00 Sp F8
 
 
Coord 2000
18457+3218
Discov num
SEI 574
Comp
Coord arcsec 2000
18 45 40.75 +32 18 05.7
Date first
1893
Date last
2010
Obs
8
Pa first
263
Pa last
263
P.A. Now (θ)
263°
Sep first
19.5
Sep last
18.7
Sep. Now (ρ)
18.7"
Mag pri
9.20
Mag sec
11.00
delta mag (ΔM)
1.8
Spectral class
F8 (yellow-white)
Pri motion ra
-008
Sec motion ra
+001
Pri motion dec
-003
Sec motion dec
+001
Notes
rPM=1.153
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.8
Precise sep
18.66
Constellation
Lyra
SAO
67343
Tycho2
2642-02765-1
last precise pa
262.8
last precise sep
18.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18457+3218 SEI 574 2006 6 263 18.7 9.00 11.00 F8 D 184540.75+321805.7
18457+3218 SEI 574 2010 8 263 18.4 9.20 11.00 F8 184540.75+321805.7

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