17579+3741 ROE   4

 
 
17h 57m 03.58s +37 51' 24.6" P.A. 164 sep 11.3 mag 11.50,12.60
 
 
Coord 2000
17579+3741
Discov num
ROE   4
Comp
Coord arcsec 2000
17 57 03.58 +37 51 24.6
Date first
1909
Date last
2010
Obs
4
Pa first
161
Pa last
164
P.A. Now (θ)
164°
Sep first
10.7
Sep last
11.3
Sep. Now (ρ)
11.3"
Mag pri
11.50
Mag sec
12.60
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
+011
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.4
Precise sep
11.25
Constellation
Hercules
Tycho2
3089-02017-1
last precise pa
164.4
last precise sep
11.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17579+3741 ROE 4 1909 1 161 10.7 10.96 12.61 175747.98+374357.0
17579+3741 ROE 4 2000 2 165 11.1 10.00 11.00 175703.58+375124.6
17579+3741 ROE 4 2002 3 164 11.3 10.00 11.00 175703.58+375124.6
17579+3741 ROE 4 2006 2 356 16.9 10.96 12.61 175747.98+374357.0
17579+3741 ROE 4 2010 4 165 10.5 11.50 12.60 R 175703.58+375124.6

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