18171+4015 STF2304

 
 
18h 17m 06.98s +40 15' 21.2" P.A. 70 sep 5.4 mag 8.75,9.75 Sp K0 dist. 275.48 pc (898.62 l.y.)
 
 
Coord 2000
18171+4015
Discov num
STF2304
Comp
Coord arcsec 2000
18 17 06.98 +40 15 21.2
Date first
1830
Date last
2004
Obs
24
Pa first
69
Pa last
70
P.A. Now (θ)
70°
Sep first
4.9
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
8.75
Mag sec
9.75
delta mag (ΔM)
1
Spectral class
K0 (yellow-orange)
Pri motion ra
+000
Sec motion ra
+002
Pri motion dec
+020
Sec motion dec
+020
Notes
rPM=0.1 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
69.5
Precise sep
5.43
Constellation
Lyra
SAO
47358
HIP
89603
Tycho2
3107-02721-1
HD
168295
BD
BD+40 3331
Distance
275.48
Distance ly
898.62
last precise pa
69.5
last precise sep
5.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18171+4015 STF2304 2004 23 70 5.4 8.75 9.75 K0 D 181706.98+401521.2

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