15485+2817 TDS9637

 
 
15h 48m 31.73s +28 16' 54.5" P.A. 99 sep 1 mag 11.45,12.72 Sp M2
 
 
Coord 2000
15485+2817
Discov num
TDS9637
Comp
Coord arcsec 2000
15 48 31.73 +28 16 54.5
Date first
1991
Date last
1991
Obs
1
Pa first
99
Pa last
99
P.A. Now (θ)
99°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.45
Mag sec
12.72
delta mag (ΔM)
1.27
Spectral class
M2 (red)
Pri motion ra
+011
Sec motion ra
+011
Pri motion dec
-010
Sec motion dec
-010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.1
Precise sep
1.02
Constellation
Corona Borealis
Tycho2
2039-00358-1
last precise pa
99.1
last precise sep
1.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15485+2817 TDS9637 1991 1 99 1.0 11.45 12.72 154831.73+281654.5

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