12125+3940 HDS1727

 
 
12h 12m 29.32s +39 40' 29.1" P.A. 341 sep 0.5 mag 11.72,13.14 Sp M2V dist. 30.5 pc (99.49 l.y.)
 
 
Coord 2000
12125+3940
Discov num
HDS1727
Comp
Coord arcsec 2000
12 12 29.32 +39 40 29.1
Date first
1991
Date last
2012
Obs
8
Pa first
340
Pa last
341
P.A. Now (θ)
341°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.72
Mag sec
13.14
delta mag (ΔM)
1.42
Spectral class
M2V (red)
Pri motion ra
+162
Sec motion ra
Pri motion dec
-160
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.3
Precise sep
0.459
Constellation
Canes Venatici
HIP
59534
Tycho2
3017-01894-3
GL
NN 3714
Distance
30.5
Distance ly
99.49
last precise pa
341.3
last precise sep
0.459
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12125+3940 HDS1727 1991 1 340 0.5 11.72 13.14 M2V 121229.32+394029.1
12125+3940 HDS1727 2008 3 353 0.3 11.72 13.14 M2V D 121229.32+394029.1
12125+3940 HDS1727 2010 4 346 0.4 11.72 13.14 M2V D 121229.32+394029.1
12125+3940 HDS1727 2012 8 341 0.5 11.72 13.14 M2V 121229.32+394029.1

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