02048+5701 KR   13

 
 
02h 04m 49.88s +57 00' 41.8" P.A. 346 sep 4 mag 9.80,10.47 Sp B9
 
 
Coord 2000
02048+5701
Discov num
KR   13
Comp
Coord arcsec 2000
02 04 49.88 +57 00 41.8
Date first
1890
Date last
2016
Obs
25
Pa first
344
Pa last
346
P.A. Now (θ)
346°
Sep first
3.9
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
9.80
Mag sec
10.47
delta mag (ΔM)
0.67
Spectral class
B9 (blue-white)
Pri motion ra
+002
Sec motion ra
-002
Pri motion dec
-020
Sec motion dec
-004
Notes
rPM=0.821
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.9
Precise sep
3.989
Constellation
Perseus
Tycho2
3693-02099-1
HD
12544
last precise pa
345.9
last precise sep
3.989
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02048+5701 KR 13 1999 22 345 4.0 9.80 10.47 B9 D 020449.88+570041.8
02048+5701 KR 13 2011 23 345 3.9 9.80 10.47 B9 D 020449.88+570041.8
02048+5701 KR 13 2016 25 346 4.0 9.80 10.47 B9 020449.88+570041.8

If you need more information about this double, apply for a data request form to the WDS.