21050+4858 TDT2728

 
 
21h 04m 58.90s +48 57' 45.9" P.A. 57 sep 2.5 mag 12.33,12.63
 
 
Coord 2000
21050+4858
Discov num
TDT2728
Comp
Coord arcsec 2000
21 04 58.90 +48 57 45.9
Date first
1991
Date last
1991
Obs
1
Pa first
57
Pa last
57
P.A. Now (θ)
57°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
12.33
Mag sec
12.63
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-014
Sec motion ra
-014
Pri motion dec
-014
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.4
Precise sep
2.51
Constellation
Cygnus
Tycho2
3596-00314-1
last precise pa
57.4
last precise sep
2.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21050+4858 TDT2728 1991 1 57 2.5 12.33 12.63 210458.69+485744.8

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