15509+1911 A  2078

 
 
15h 50m 53.32s +19 10' 48.9" P.A. 165 sep 1.1 mag 8.93,9.57 Sp F2 dist. 371.75 pc (1212.65 l.y.)
 
 
Coord 2000
15509+1911
Discov num
A  2078
Comp
Coord arcsec 2000
15 50 53.32 +19 10 48.9
Date first
1909
Date last
2014
Obs
53
Pa first
153
Pa last
165
P.A. Now (θ)
165°
Sep first
0.9
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
8.93
Mag sec
9.57
delta mag (ΔM)
0.64
Spectral class
F2 (yellow-white)
Pri motion ra
-015
Sec motion ra
-015
Pri motion dec
-016
Sec motion dec
-016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.1
Precise sep
1.05
Constellation
Serpens
SAO
101773
HIP
77627
Tycho2
1499-01841-1
HD
141894
BD
BD+19 3023
Distance
371.75
Distance ly
1212.65
last precise pa
165.1
last precise sep
1.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15509+1911 A 2078 2005 53 161 1.0 8.93 9.57 F2 D 155053.32+191048.9
15509+1911 A 2078 2007 54 163 1.1 8.93 9.57 F2 D 155053.32+191048.9
15509+1911 A 2078 2010 57 166 1.1 8.93 9.57 F2 D 155053.32+191048.9
15509+1911 A 2078 2014 53 165 1.1 8.93 9.57 F2 155053.32+191048.9

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