17249+4701 A  2089

 
 
17h 24m 55.24s +47 01' 18.1" P.A. 330 sep 0.7 mag 9.95,10.11 Sp F5
 
 
Coord 2000
17249+4701
Discov num
A  2089
Comp
Coord arcsec 2000
17 24 55.24 +47 01 18.1
Date first
1909
Date last
2015
Obs
20
Pa first
348
Pa last
330
P.A. Now (θ)
330°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.95
Mag sec
10.11
delta mag (ΔM)
0.16
Spectral class
F5 (yellow-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330.3
Precise sep
0.72
Constellation
Hercules
SAO
46707
Tycho2
3512-00300-1
last precise pa
330.3
last precise sep
0.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17249+4701 A 2089 1991 16 335 0.7 9.95 10.11 F5 172455.24+470118.1
17249+4701 A 2089 2009 17 331 0.7 9.95 10.11 F5 172455.24+470118.1
17249+4701 A 2089 2014 19 330 0.8 9.95 10.11 F5 172455.24+470118.1
17249+4701 A 2089 2015 20 330 0.7 9.95 10.11 F5 172455.24+470118.1

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