15568+1229 STF1988

 
 
15h 56m 45.53s +12 28' 40.6" P.A. 250 sep 1.8 mag 7.59,7.84 Sp F1V dist. 96.25 pc (313.97 l.y.)
 
 
Coord 2000
15568+1229
Discov num
STF1988
Comp
Coord arcsec 2000
15 56 45.53 +12 28 40.6
Date first
1830
Date last
2017
Obs
137
Pa first
266
Pa last
250
P.A. Now (θ)
250°
Sep first
2.9
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
7.59
Mag sec
7.84
delta mag (ΔM)
0.25
Spectral class
F1V (yellow-white)
Pri motion ra
-042
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250
Precise sep
1.808
Cdsa2 id
STF 1988
Constellation
Serpens
SAO
101829
HIP
78097
Tycho2
0951-01080-1
HD
142910
BD
BD+12 2918
Ra deg
15.945980555555556
De deg
12.477944444444445
Distance
96.25
Distance ly
313.97
last precise pa
250
last precise sep
1.808
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15568+1229 STF1988 2007 146 253 2.0 7.59 7.84 F1V D 155645.53+122840.6
15568+1229 STF1988 2009 149 250 1.9 7.59 7.84 F1V D 155645.53+122840.6
15568+1229 STF1988 2010 151 250 1.9 7.59 7.84 F1V D 155645.53+122840.6
15568+1229 STF1988 2011 152 249 1.9 7.59 7.84 F1V D 155645.53+122840.6
15568+1229 STF1988 2017 137 250 1.8 7.59 7.84 F1V 155645.53+122840.6

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