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
Cdsa2 id
HDS 1727
Constellation
Canes Venatici
HIP
59534
Tycho2
3017-01894-3
GL
NN 3714
Ra deg
12.208144444444443
De deg
39.674749999999996
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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