15348+1032 STF1954AB (Del Ser)

 
 
15h 34m 48.14s +10 32' 20.0" P.A. 171.7 sep 3.97 mag 4.17,5.16 Sp F0IV dist. 69.93 pc (228.11 l.y.)
 
 
Coord 2000
15348+1032
Discov num
STF1954
Comp
AB
Coord arcsec 2000
15 34 48.14 +10 32 20.0
Date first
1819
Date last
2017
Obs
502
Pa first
202
Pa last
171
P.A. Now (θ)
171.7°
Sep first
3.4
Sep last
4.1
Sep. Now (ρ)
3.97"
Mag pri
4.17
Mag sec
5.16
delta mag (ΔM)
0.99
Spectral class
F0IV (yellow-white)
Pri motion ra
-072
Sec motion ra
-073
Pri motion dec
+013
Sec motion dec
+003
Notes
N O (See Notes, Orbital solution)
rPM=0.137 (< 0.3, Physical double)
This double is physical.
 
 
15348+1032 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Del Ser 101623 15348+1032 STF1954 AB 1819 2017 502 172 4.0 4.17 5.16 0.99 Y <===
Show 101624 15348+1032 STF1954 AC 1911 2014 7 18 66.6 4.17 13.90 9.73
Show 101624 15348+1032 SMR 62 AE 2000 2014 4 42 63.5 4.17 15.00 10.83
Show 15348+1032 STF1954 CD 1911 2014 6 338 4.1 13.90 14.60 0.70
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.2
Precise sep
4.148
Name
Del Ser
Constellation
Serpens
SAO
101623
HIP
76276
Tycho2
0933-01238-1
HD
138917
HR
5788
GC
20941
ADS
9701
BD
BD+11 2821
Bayer
Delta Serpentis
Bayer name
Del Ser
Flamsteed
13 Serpentis
Flamsteed name
13 Ser
Distance
69.93
Distance ly
228.11
last precise pa
171.2
last precise sep
4.148
 
 
ORBITAL ELEMENTS
 
 
Period (P)1038y Periastron (T)2290y Semi-major axis (a)3.83a
Eccentricity (e)0.16 Inclination (i)111° Longitude of periastron (ω)110°
Node (Ω)171° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2002
label rho theta
2000 4.000 173.8
2001 3.999 173.7
2002 3.998 173.6
2003 3.997 173.4
2004 3.996 173.3
2005 3.995 173.2
2006 3.994 173.1
2007 3.992 173.0
2008 3.991 172.9
2009 3.989 172.8
2010 3.987 172.6
2011 3.985 172.5
2012 3.983 172.4
2013 3.981 172.3
2014 3.979 172.2
2015 3.976 172.1
2016 3.974 172.0
2017 3.971 171.9
2018 3.968 171.7
2019 3.965 171.6
2020 3.962 171.5
2021 3.959 171.4
2022 3.956 171.3
2023 3.953 171.2
2024 3.949 171.0
2025 3.946 170.9
2026 3.942 170.8
2027 3.939 170.7
2028 3.935 170.6
2029 3.931 170.5
2030 3.927 170.4

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds15348%2B1032a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15348+1032 STF1954 AB 2007 441 173 4.0 4.17 5.16 F0IV NOD 153448.19+103219.9
15348+1032 STF1954 AB 2009 442 173 4.0 4.17 5.16 F0IV NOD 153448.14+103220.0
15348+1032 STF1954 AB 2010 461 173 4.0 4.17 5.16 F0IV NOD 153448.14+103220.0
15348+1032 STF1954 AB 2012 468 173 3.9 4.17 5.16 F0IV NOD 153448.14+103220.0
15348+1032 STF1954 AB 2013 475 172 4.0 4.17 5.16 F0IV NOD 153448.14+103220.0
15348+1032 STF1954 AB 2014 478 171 3.9 4.17 5.16 F0IV NOD 153448.14+103220.0
15348+1032 STF1954 AB 2015 481 173 3.9 4.17 5.16 F0IV NOD 153448.14+103220.0
15348+1032 STF1954 AB 2016 499 172 4.4 4.17 5.16 F0IV NO 153448.14+103220.0
15348+1032 STF1954 AB 2017 502 171 4.1 4.17 5.16 F0IV NO 153448.14+103220.0

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