19277+4053 ES 1664

 
 
19h 27m 45.81s +40 52' 57.6" P.A. 87 sep 2.7 mag 12.30,12.70
 
 
Coord 2000
19277+4053
Discov num
ES 1664
Comp
Coord arcsec 2000
19 27 45.81 +40 52 57.6
Date first
1917
Date last
2009
Obs
4
Pa first
99
Pa last
87
P.A. Now (θ)
87°
Sep first
1.8
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
12.30
Mag sec
12.70
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.9
Precise sep
2.65
Cdsa2 id
ES 1664
Constellation
Lyra
Ra deg
19.462725
De deg
40.882666666666665
last precise pa
86.9
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
19277+4053 ES 1664 1984 3 93 2.3 9.44 9.80 192738.09+405302.1
19277+4053 ES 1664 2009 4 87 2.6 12.30 12.70 192745.81+405257.6

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