18274+3137 J   761

 
 
18h 27m 19.01s +31 36' 35.8" P.A. 180 sep 3.7 mag 11.20,12.80
 
 
Coord 2000
18274+3137
Discov num
J   761
Comp
Coord arcsec 2000
18 27 19.01 +31 36 35.8
Date first
1912
Date last
2015
Obs
8
Pa first
180
Pa last
180
P.A. Now (θ)
180°
Sep first
3.0
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
11.20
Mag sec
12.80
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
+012
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.1
Precise sep
3.714
Constellation
Lyra
Tycho2
2624-00063-1
Gaia DR2
05841076480
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18274+3137 J 761 1955 6 179 3.1 9.60 11.20 182715.00+313700.0
18274+3137 J 761 2011 7 180 3.6 9.60 11.20 182719.01+313635.8
18274+3137 J 761 2015 8 180 3.7 11.20 12.80 182719.01+313635.8

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