18031+3805 J   757

 
 
18h 02m 15.39s +38 04' 10.4" P.A. 327 sep 3.2 mag 11.90,12.50
 
 
Coord 2000
18031+3805
Discov num
J   757
Comp
Coord arcsec 2000
18 02 15.39 +38 04 10.4
Date first
1912
Date last
2017
Obs
13
Pa first
324
Pa last
327
P.A. Now (θ)
327°
Sep first
1.9
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
11.90
Mag sec
12.50
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+009
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
U (Proper motion indicates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327
Precise sep
3.17
Cdsa2 id
J 757
Constellation
Hercules
Tycho2
3102-01606-1
Ra deg
18.037608333333335
De deg
38.06955555555556
last precise pa
327
last precise sep
3.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18031+3805 J 757 2006 10 321 3.6 9.60 10.00 180215.39+380410.4
18031+3805 J 757 2017 13 327 3.2 11.90 12.50 U 180215.39+380410.4

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