13441+2121 SKF1746

 
 
13h 44m 06.33s +21 20' 40.2" P.A. 339.00 sep 1.4 mag 19.20,22.20 Sp DA+M4e
 
 
Coord 2000
13441+2121
Discov num
SKF1746
Comp
Coord arcsec 2000
13 44 06.33 +21 20 40.2
Date first
2005
Date last
2015
Obs
3
Pa first
334
Pa last
339
P.A. Now (θ)
339°
Sep first
1.4
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
19.20
Mag sec
22.20
delta mag (ΔM)
3
Spectral class
DA+M4e (white dwarf/red)
Pri motion ra
-031
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.6
Precise sep
1.417
Constellation
Bootes
Gaia DR2
82317117824
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13441+2121 SKF1746 2005 2 338 1.3 19.20 22.20 DA+M4e 134406.33+212040.2
13441+2121 SKF1746 2015 3 339 1.4 19.20 22.20 DA+M4e 134406.33+212040.2

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