18555+2914 STF2419

 
 
18h 55m 28.52s +29 13' 35.8" P.A. 178 sep 3.3 mag 9.13,9.44 Sp F2
 
 
Coord 2000
18555+2914
Discov num
STF2419
Comp
Coord arcsec 2000
18 55 28.52 +29 13 35.8
Date first
1831
Date last
2011
Obs
34
Pa first
180
Pa last
178
P.A. Now (θ)
178°
Sep first
3.2
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
9.13
Mag sec
9.44
delta mag (ΔM)
0.31
Spectral class
F2 (yellow-white)
Pri motion ra
+012
Sec motion ra
+008
Pri motion dec
+002
Sec motion dec
+002
Notes
rPM=0.329
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.7
Precise sep
3.345
Cdsa2 id
STF 2419
Constellation
Lyra
Tycho2
2121-02087-1
Ra deg
18.92458888888889
De deg
29.226611111111108
last precise pa
177.7
last precise sep
3.345
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18555+2914 STF2419 1998 29 178 3.3 9.13 9.44 F2 D 185528.52+291335.8
18555+2914 STF2419 2006 30 177 3.4 9.13 9.44 F2 D 185528.52+291335.8
18555+2914 STF2419 2008 31 177 3.4 9.13 9.44 F2 D 185528.52+291335.8
18555+2914 STF2419 2011 35 178 3.3 9.13 9.44 F2 D 185528.52+291335.8

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