02556+3837 UC  870

 
 
02h 55m 36.38s +38 37' 20.7" P.A. 329 sep 18.1 mag 15.00,15.70
 
 
Coord 2000
02556+3837
Discov num
UC  870
Comp
Coord arcsec 2000
02 55 36.38 +38 37 20.7
Date first
1998
Date last
2015
Obs
4
Pa first
329
Pa last
329
P.A. Now (θ)
329°
Sep first
18.2
Sep last
18.1
Sep. Now (ρ)
18.1"
Mag pri
15.00
Mag sec
15.70
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-020
Sec motion ra
-019
Pri motion dec
-059
Sec motion dec
-062
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.049 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.7
Precise sep
18.107
Cdsa2 id
UC 870
Constellation
Perseus
Ra deg
2.926772222222222
De deg
38.622416666666666
last precise pa
328.7
last precise sep
18.107
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02556+3837 UC 870 2000 2 329 18.2 15.00 15.70 V 025536.38+383720.7
02556+3837 UC 870 2002 2 328 18.2 15.00 15.70 V 025536.38+383720.7
02556+3837 UC 870 2010 3 329 18.1 15.00 15.70 V R 025536.38+383720.7
02556+3837 UC 870 2015 4 329 18.1 15.00 15.70 V R 025536.38+383720.7

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