17544+3439 A  1884

 
 
17h 54m 24.11s +34 38' 33.4" P.A. 302 sep 2.4 mag 9.36,13.40 Sp F2
 
 
Coord 2000
17544+3439
Discov num
A  1884
Comp
Coord arcsec 2000
17 54 24.11 +34 38 33.4
Date first
1908
Date last
1998
Obs
7
Pa first
310
Pa last
302
P.A. Now (θ)
302°
Sep first
1.9
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
9.36
Mag sec
13.40
delta mag (ΔM)
4.04
Spectral class
F2 (yellow-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.1
Precise sep
2.38
Constellation
Hercules
SAO
66453
Tycho2
2616-01093-1
last precise pa
302.1
last precise sep
2.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17544+3439 A 1884 1998 7 302 2.4 9.36 13.40 F2 175424.11+343833.4

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