13136+2928 SDK 247

 
 
13h 13m 36.48s +29 27' 58.6" P.A. 292 sep 3.3 mag 16.40,18.50 Sp M3:
 
 
Coord 2000
13136+2928
Discov num
SDK 247
Comp
Coord arcsec 2000
13 13 36.48 +29 27 58.6
Date first
1977
Date last
2004
Obs
2
Pa first
279
Pa last
292
P.A. Now (θ)
292°
Sep first
2.5
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
16.40
Mag sec
18.50
delta mag (ΔM)
2.1
Spectral class
M3: (red)
Pri motion ra
-025
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.2
Precise sep
3.34
Constellation
Coma Berenices
last precise pa
292.2
last precise sep
3.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13136+2928 SDK 247 1977 1 279 2.5 16.50   M 131336.48+292758.6
13136+2928 SDK 247 2004 2 292 3.3 16.40 18.50 M3: 131336.48+292758.6

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