15390+4611 DBR 257

 
 
15h 38m 59.66s +46 10' 50.9" P.A. 64 sep 3.4 mag 17.30,18.40
 
 
Coord 2000
15390+4611
Discov num
DBR 257
Comp
Coord arcsec 2000
15 38 59.66 +46 10 50.9
Date first
2017
Date last
2017
Obs
1
Pa first
64
Pa last
64
P.A. Now (θ)
64°
Sep first
3.4
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
17.30
Mag sec
18.40
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-002
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
64
Precise sep
3.41
Constellation
Bootes
last precise pa
64
last precise sep
3.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15390+4611 DBR 257 2017 1 64 3.4 17.30 18.40 R 153859.66+461050.9

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