15371+3748 JNN 105

 
 
15h 37m 04.08s +37 48' 27.6" P.A. 78 sep 0.3 mag 13.80,15.70 Sp M2+M4
 
 
Coord 2000
15371+3748
Discov num
JNN 105
Comp
Coord arcsec 2000
15 37 04.08 +37 48 27.6
Date first
2008
Date last
2012
Obs
4
Pa first
81
Pa last
78
P.A. Now (θ)
78°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
13.80
Mag sec
15.70
delta mag (ΔM)
1.9
Spectral class
M2+M4 (red/red)
Pri motion ra
+021
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78.3
Precise sep
0.264
Cdsa2 id
JNN 105
Constellation
Corona Borealis
Ra deg
15.6178
De deg
37.80766666666666
last precise pa
78.3
last precise sep
0.264
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15371+3748 JNN 105 2009 3 81 0.3 13.80 15.70 M2 M4 153704.08+374827.6
15371+3748 JNN 105 2012 4 78 0.3 13.80 15.70 M2 M4 NV 153704.08+374827.6

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