17016+4244 ES  633

 
 
17h 01m 33.64s +42 43' 37.6" P.A. 261 sep 7.2 mag 7.34,11.80 Sp G5 dist. 179.53 pc (585.63 l.y.)
 
 
Coord 2000
17016+4244
Discov num
ES  633
Comp
Coord arcsec 2000
17 01 33.64 +42 43 37.6
Date first
1908
Date last
2013
Obs
3
Pa first
259
Pa last
261
P.A. Now (θ)
261°
Sep first
6.3
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
7.34
Mag sec
11.80
delta mag (ΔM)
4.46
Spectral class
G5 (yellow)
Pri motion ra
+012
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.9
Precise sep
7.2
Constellation
Hercules
SAO
46444
HIP
83309
Tycho2
3080-00957-1
HD
154115
BD
BD+42 2783
Distance
179.53
Distance ly
585.63
last precise pa
260.9
last precise sep
7.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17016+4244 ES 633 1999 2 261 6.6 7.30 11.80 G5 D 170133.64+424337.6
17016+4244 ES 633 2013 3 261 7.2 7.34 11.80 G5 170133.64+424337.6

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