17473+2241 COU 633

 
 
17h 47m 19.05s +22 40' 47.4" P.A. 239 sep 2.8 mag 9.63,13.40 Sp G0
 
 
Coord 2000
17473+2241
Discov num
COU 633
Comp
Coord arcsec 2000
17 47 19.05 +22 40 47.4
Date first
1971
Date last
1998
Obs
2
Pa first
237
Pa last
239
P.A. Now (θ)
239°
Sep first
2.5
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
9.63
Mag sec
13.40
delta mag (ΔM)
3.77
Spectral class
G0 (yellow)
Pri motion ra
+007
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.3
Precise sep
2.84
Constellation
Hercules
SAO
85411
Tycho2
2077-02076-1
last precise pa
239.3
last precise sep
2.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17473+2241 COU 633 1998 2 239 2.8 9.63 13.40 G0 174719.05+224047.4

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