19031+2757 J   811

 
 
19h 03m 08.34s +27 56' 44.9" P.A. 255 sep 2.7 mag 11.70,13.00
 
 
Coord 2000
19031+2757
Discov num
J   811
Comp
Coord arcsec 2000
19 03 08.34 +27 56 44.9
Date first
1912
Date last
2014
Obs
6
Pa first
235
Pa last
255
P.A. Now (θ)
255°
Sep first
2.4
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
11.70
Mag sec
13.00
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+004
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.4
Precise sep
2.65
Constellation
Lyra
last precise pa
255.4
last precise sep
2.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19031+2757 J 811 1971 5 248 2.6 9.50 11.00 190360.00+275700.0
19031+2757 J 811 2014 6 255 2.7 11.70 13.00 190308.34+275644.9

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