15444+1518 ROE  75

 
 
15h 44m 21.80s +15 17' 59.0" P.A. 327 sep 6 mag 8.23,10.68 Sp G0 dist. 46.27 pc (150.93 l.y.)
 
 
Coord 2000
15444+1518
Discov num
ROE  75
Comp
Coord arcsec 2000
15 44 21.80 +15 17 59.0
Date first
1897
Date last
2015
Obs
31
Pa first
338
Pa last
327
P.A. Now (θ)
327°
Sep first
5.1
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
8.23
Mag sec
10.68
delta mag (ΔM)
2.45
Spectral class
G0 (yellow)
Pri motion ra
+071
Sec motion ra
+068
Pri motion dec
-052
Sec motion dec
-048
Notes
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.2
Precise sep
5.982
Constellation
Serpens
HIP
77083
Tycho2
1495-01542-1
HD
140665
BD
BD+15 2906
Distance
46.27
Distance ly
150.93
last precise pa
327.2
last precise sep
5.982
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15444+1518 ROE 75 2005 16 326 6.2 8.23 10.68 G0 D 154421.80+151759.0
15444+1518 ROE 75 2006 19 327 6.2 8.23 10.68 G0 D 154421.80+151759.0
15444+1518 ROE 75 2013 21 327 6.1 8.23 10.68 G0 154421.80+151759.0
15444+1518 ROE 75 2015 23 327 6.0 8.23 10.68 G0 154421.80+151759.0

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