15598+1723 STF1993AB

 
 
15h 59m 46.92s +17 22' 34.7" P.A. 43 sep 20.2 mag 8.59,8.88 Sp A0
 
 
Coord 2000
15598+1723
Discov num
STF1993
Comp
AB
Coord arcsec 2000
15 59 46.92 +17 22 34.7
Date first
1783
Date last
2017
Obs
72
Pa first
38
Pa last
43
P.A. Now (θ)
43°
Sep first
37.9
Sep last
20.2
Sep. Now (ρ)
20.2"
Mag pri
8.59
Mag sec
8.88
delta mag (ΔM)
0.29
Spectral class
A0 (white)
Pri motion ra
+006
Sec motion ra
-028
Pri motion dec
+002
Sec motion dec
-065
Notes
N L (See Notes, Linear solution)
rPM=1.062
This double is not physical.
 
 
15598+1723 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 101858 15598+1723 STF1993 AB 1783 2017 72 43 20.2 8.59 8.88 0.29 <===
Show 101858 15598+1723 STF1993 AC 1900 2017 11 179 239.3 8.59 10.03 1.44
Show 15598+1723 STF1994 CD 1905 2017 12 337 17.1 10.03 12.48 2.45
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
43.3
Precise sep
20.179
Cdsa2 id
STF 1993 AB
Constellation
Serpens
SAO
101858
Tycho2
1496-00509-1
Ra deg
15.996366666666665
De deg
17.376305555555557
last precise pa
43.3
last precise sep
20.179
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15598+1723 STF1993 AB 2007 60 42 20.8 8.59 8.88 A0 LD 155946.92+172234.7
15598+1723 STF1993 AB 2009 61 43 20.7 8.59 8.88 A0 LD 155946.92+172234.7
15598+1723 STF1993 AB 2010 65 42 20.6 8.59 8.88 A0 NLD 155946.92+172234.7
15598+1723 STF1993 AB 2012 67 42 20.4 8.59 8.88 A0 NLD 155946.92+172234.7
15598+1723 STF1993 AB 2014 68 42 20.3 8.59 8.88 A0 NLD 155946.92+172234.7
15598+1723 STF1993 AB 2015 70 43 20.4 8.59 8.88 A0 NL 155946.92+172234.7
15598+1723 STF1993 AB 2017 72 43 20.2 8.59 8.88 A0 NL 155946.92+172234.7

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