21206+3420 JNN 129

 
 
21h 20m 35.07s +34 19' 47.7" P.A. 213 sep 0.1 mag 14.10,15.00 Sp M3.5+M4.5
 
 
Coord 2000
21206+3420
Discov num
JNN 129
Comp
Coord arcsec 2000
21 20 35.07 +34 19 47.7
Date first
2008
Date last
2009
Obs
3
Pa first
225
Pa last
213
P.A. Now (θ)
213°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
14.10
Mag sec
15.00
delta mag (ΔM)
0.9
Spectral class
M3.5+M4.5 (red/red)
Pri motion ra
+105
Sec motion ra
Pri motion dec
+068
Sec motion dec
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
212.8
Precise sep
0.098
Cdsa2 id
JNN 129
Constellation
Cygnus
Ra deg
21.343075
De deg
34.32991666666667
last precise pa
212.8
last precise sep
0.098
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21206+3420 JNN 129 2009 3 213 0.1 14.10 15.00 M3.5 M4.5 212035.07+341947.7

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