12069+3921 SLW 684

12h 06m 52.74s +39 20' 57.3" P.A. 20 sep 8.2 mag 15.25,15.36 Sp M0.2+M0.4

Coord 2000
12069+3921
Discov num
SLW 684
Comp
Coord arcsec 2000
12 06 52.74 +39 20 57.3
Date first
1998
Date last
2015
Obs
5
Pa first
19
Pa last
20
P.A. Now (θ)
20°
Sep first
8.3
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
15.25
Mag sec
15.36
delta mag (ΔM)
0.11
Spectral class
M0.2+M0.4 (red/red)
Pri motion ra
-071
Sec motion ra
-064
Pri motion dec
+037
Sec motion dec
+054
Notes
V R (Proper motion indicates physical, Red magnitudes)


rPM=0.22 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
19.9
Precise sep
8.242
Constellation
Canes Venatici
last precise pa
19.9
last precise sep
8.242




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12069+3921 SLW 684 2004 1 20 8.4 15.25 15.36 M0.2 M0.4 V R 120652.74+392057.3
12069+3921 SLW 684 2015 4 20 8.2 15.25 15.36 M0.2+M0.4 V R 120652.74+392057.3

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