17404+2421 TDT 461

 
 
17h 40m 21.90s +24 21' 11.6" P.A. 17 sep 0.7 mag 12.03,12.16
 
 
Coord 2000
17404+2421
Discov num
TDT 461
Comp
Coord arcsec 2000
17 40 21.90 +24 21 11.6
Date first
1991
Date last
1991
Obs
1
Pa first
17
Pa last
17
P.A. Now (θ)
17°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
12.03
Mag sec
12.16
delta mag (ΔM)
0.13
Spectral class
Pri motion ra
+012
Sec motion ra
+012
Pri motion dec
-021
Sec motion dec
-021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.6
Precise sep
0.69
Constellation
Hercules
Tycho2
2076-01703-1
last precise pa
16.6
last precise sep
0.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17404+2421 TDT 461 1991 1 17 0.7 12.03 12.16 174021.90+242111.6

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