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
Constellation
Corona Borealis
Gaia DR2
19526171648
 
 
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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