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
Constellation
Serpens
SAO
101829
HIP
78097
Tycho2
0951-01080-1
HD
142910
BD
BD+12 2918
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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