18589+4218 TDT1161

 
 
18h 58m 52.26s +42 18' 25.4" P.A. 359 sep 1.2 mag 11.43,11.56
 
 
Coord 2000
18589+4218
Discov num
TDT1161
Comp
Coord arcsec 2000
18 58 52.26 +42 18 25.4
Date first
1991
Date last
2008
Obs
3
Pa first
359
Pa last
359
P.A. Now (θ)
359°
Sep first
1.6
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
11.43
Mag sec
11.56
delta mag (ΔM)
0.13
Spectral class
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
+007
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
359.2
Precise sep
1.176
Cdsa2 id
TDT 1161
Constellation
Lyra
Tycho2
3127-02091-1
Ra deg
18.98118333333333
De deg
42.30705555555555
last precise pa
359.2
last precise sep
1.176
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18589+4218 TDT1161 1991 1 359 1.6 11.43 11.56 185852.26+421825.4
18589+4218 TDT1161 2005 2 1 1.4 11.43 11.56 185852.26+421825.4
18589+4218 TDT1161 2008 3 359 1.2 11.43 11.56 185852.26+421825.4

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