13107+3022 SDK 230

 
 
13h 10m 40.62s +30 21' 41.2" P.A. 98.00 sep 2.4 mag 15.40,17.00 Sp M3:
 
 
Coord 2000
13107+3022
Discov num
SDK 230
Comp
Coord arcsec 2000
13 10 40.62 +30 21 41.2
Date first
2004
Date last
2015
Obs
2
Pa first
99
Pa last
98
P.A. Now (θ)
98°
Sep first
2.5
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
15.40
Mag sec
17.00
delta mag (ΔM)
1.6
Spectral class
M3: (red)
Pri motion ra
-048
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.2
Precise sep
2.383
Constellation
Coma Berenices
Gaia DR2
54784965248
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13107+3022 SDK 230 1977 1 70 1.0 15.10   M 131040.62+302141.2
13107+3022 SDK 230 2004 1 99 2.5 15.40 17.00 M3: 131040.62+302141.2
13107+3022 SDK 230 2015 2 98 2.4 15.40 17.00 M3: 131040.62+302141.2

If you need more information about this double, apply for a data request form to the WDS.