15471+0711 BRT2161

 
 
15h 47m 04.50s +07 10' 49.5" P.A. 289 sep 3.9 mag 11.10,11.80
 
 
Coord 2000
15471+0711
Discov num
BRT2161
Comp
Coord arcsec 2000
15 47 04.50 +07 10 49.5
Date first
1896
Date last
2013
Obs
7
Pa first
287
Pa last
289
P.A. Now (θ)
289°
Sep first
3.5
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.10
Mag sec
11.80
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-011
Sec motion ra
-025
Pri motion dec
-033
Sec motion dec
-022
Notes
rPM=0.512
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.2
Precise sep
3.92
Constellation
Serpens
Tycho2
0364-00272-1
last precise pa
289.2
last precise sep
3.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15471+0711 BRT2161 2002 4 289 4.0 11.10 11.80 D 154704.50+071049.5
15471+0711 BRT2161 2013 7 289 3.9 11.10 11.80 154704.50+071049.5

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