15557+2603 LDS4604

 
 
15h 55m 43.77s +26 03' 05.4" P.A. 64 sep 30.1 mag 14.80,16.50 Sp M3+M4
 
 
Coord 2000
15557+2603
Discov num
LDS4604
Comp
Coord arcsec 2000
15 55 43.77 +26 03 05.4
Date first
1960
Date last
2010
Obs
5
Pa first
63
Pa last
64
P.A. Now (θ)
64°
Sep first
30.0
Sep last
30.1
Sep. Now (ρ)
30.1"
Mag pri
14.80
Mag sec
16.50
delta mag (ΔM)
1.7
Spectral class
M3+M4 (red/red)
Pri motion ra
-218
Sec motion ra
-218
Pri motion dec
+082
Sec motion dec
+082
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.7
Precise sep
30.067
Constellation
Corona Borealis
last precise pa
63.7
last precise sep
30.067
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15557+2603 LDS4604 1999 2 64 32.4 15.80 17.70 D 155538.64+260307.8
15557+2603 LDS4604 2004 3 64 30.1 14.80 16.50 M3+M4 V 155543.77+260305.4
15557+2603 LDS4604 2010 4 64 30.1 14.80 16.50 M3+M4 V 155543.77+260305.4

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