02091+5515 STI1789

 
 
02h 09m 01.89s +55 14' 01.6" P.A. 319 sep 7.2 mag 11.31,12.30
 
 
Coord 2000
02091+5515
Discov num
STI1789
Comp
Coord arcsec 2000
02 09 01.89 +55 14 01.6
Date first
1915
Date last
2016
Obs
4
Pa first
308
Pa last
319
P.A. Now (θ)
319°
Sep first
7.2
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
11.31
Mag sec
12.30
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
+004
Sec motion ra
+008
Pri motion dec
-017
Sec motion dec
-003
Notes
rPM=0.834
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
318.8
Precise sep
7.199
Constellation
Perseus
Tycho2
3689-01638-1
last precise pa
318.8
last precise sep
7.199
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02091+5515 STI1789 1999 2 317 7.1 11.31 12.30 D 020901.89+551401.6
02091+5515 STI1789 2003 3 317 7.2 11.31 12.30 D 020901.89+551401.6
02091+5515 STI1789 2016 4 319 7.2 11.31 12.30 020901.89+551401.6

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