19031+2757 J   811

 
 
19h 03m 08.34s +27 56' 44.9" P.A. 256 sep 2.8 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
2015
Obs
7
Pa first
235
Pa last
256
P.A. Now (θ)
256°
Sep first
2.4
Sep last
2.8
Sep. Now (ρ)
2.8"
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
255.8
Precise sep
2.767
Constellation
Lyra
Tycho2
2130-01913-1
Gaia DR2
79744651776
 
 
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
19031+2757 J 811 2015 7 256 2.8 11.70 13.00 190308.34+275644.9

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