13188+2808 ES  441

13h 18m 46.01s +28 07' 34.3" P.A. 71 sep 6 mag 9.84,14.40 Sp K2

Coord 2000
13188+2808
Discov num
ES  441
Comp
Coord arcsec 2000
13 18 46.01 +28 07 34.3
Date first
1907
Date last
2010
Obs
4
Pa first
78
Pa last
71
P.A. Now (θ)
71°
Sep first
4.8
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
9.84
Mag sec
14.40
delta mag (ΔM)
4.56
Spectral class
K2 (yellow-orange)
Pri motion ra
-082
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes


Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
70.7
Precise sep
5.96
Constellation
Coma Berenices
SAO
82774
Tycho2
1996-00212-1
last precise pa
70.7
last precise sep
5.96




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13188+2808 ES 441 1997 3 70 5.8 9.84 14.40 K2 D 131846.01+280734.3
13188+2808 ES 441 2010 4 72 4.7 9.84 14.40 K2 131846.01+280734.3

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