09188+3648 STF1334AB (38 Lyn)

 
 
09h 18m 50.64s +36 48' 09.3" P.A. 222.50 sep 2.6 mag 3.92,6.09 Sp A1V dist. 38.27 pc (124.84 l.y.)
 
 
Coord 2000
09188+3648
Discov num
STF1334
Comp
AB
Coord arcsec 2000
09 18 50.64 +36 48 09.3
Date first
1820
Date last
2019
Obs
209
Pa first
239
Pa last
224
P.A. Now (θ)
222.5°
Sep first
2.8
Sep last
2.6
Sep. Now (ρ)
2.61"
Mag pri
3.92
Mag sec
6.09
delta mag (ΔM)
2.17
Spectral class
A1V (white)
Pri motion ra
-033
Sec motion ra
-033
Pri motion dec
-126
Sec motion dec
-124
Notes
N O (See Notes, Orbital solution)
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
09188+3648 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 38 Lyn 61391 09 18 51 +36 48 09 STF 1334 AB 2019 209 222 2.6 3.92 6.09 2.17 Y <===
Show 61391 09 18 51 +36 48 09 DRS 44 AE 2015 3 53 98.3 3.92 14.70 10.78
Show 61391 09 18 50 +36 48 08 CHR 173 Ba,Bb 2004 2 266 0.2 6.09
Show 61391 09 18 50 +36 48 08 STF 1334 BC 2015 6 217 77.0 6.09 12.50 6.41
Show 61391 09 18 50 +36 48 08 STF 1334 BD 2015 6 262 172.3 6.09 12.46 6.37
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224
Precise sep
2.56
Name
38 Lyn
Constellation
Lynx
SAO
61391
HIP
45688
Gaia DR2
810952158347151360
HD
80081
HR
3690
GC
12830
BD
BD+37 1965
Flamsteed
38 Lyncis
Flamsteed name
38 Lyn
Distance
38.27
Distance ly
124.84
last precise pa
224
last precise sep
2.56
 
 
ORBITAL ELEMENTS
 
 
Period (P)2782.8336y± 1530.4085 Periastron (T)1545.7004y± 698.7459 Semi-major axis (a)6.4453a± 3.78816
Eccentricity (e)0.77055± 0.17698 Inclination (i)104.322°± 9.535 Longitude of periastron (ω)107.279°± 25.543
Node (Ω)87.298°± 72.128 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2014
label rho theta
2000 2.654 225.1
2001 2.652 225.0
2002 2.650 224.8
2003 2.648 224.7
2004 2.646 224.6
2005 2.644 224.5
2006 2.642 224.3
2007 2.640 224.2
2008 2.638 224.1
2009 2.637 224.0
2010 2.635 223.9
2011 2.633 223.7
2012 2.631 223.6
2013 2.629 223.5
2014 2.627 223.4
2015 2.625 223.2
2016 2.623 223.1
2017 2.621 223.0
2018 2.619 222.9
2019 2.617 222.8
2020 2.615 222.6
2021 2.613 222.5
2022 2.611 222.4
2023 2.609 222.3
2024 2.607 222.1
2025 2.605 222.0
2026 2.604 221.9
2027 2.602 221.8
2028 2.600 221.6
2029 2.598 221.5
2030 2.596 221.4


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



 
 


wds09188%2B3648a.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
09188+3648 STF1334 AB 2006 172 225 2.7 3.92 6.09 A3V N 091850.67+364810.4
09188+3648 STF1334 AB 2007 173 224 2.7 3.92 6.09 A3V N 091850.67+364810.4
09188+3648 STF1334 AB 2008 174 226 2.8 3.92 6.09 A3V N 091850.67+364810.4
09188+3648 STF1334 AB 2009 177 225 2.6 3.92 6.09 A3V N 091850.67+364810.4
09188+3648 STF1334 AB 2010 180 224 2.7 3.92 6.09 A3V N D 091850.67+364810.4
09188+3648 STF1334 AB 2012 181 224 2.5 3.92 6.09 A3V N D 091850.67+364810.4
09188+3648 STF1334 AB 2013 189 224 2.6 3.92 6.09 A3V N 091850.67+364810.4
09188+3648 STF1334 AB 2014 192 224 2.5 3.92 6.09 A1V N 091850.67+364810.4
09188+3648 STF1334 AB 2016 193 222 2.6 3.92 6.09 A1V N 091850.64+364809.3
09188+3648 STF1334 AB 2017 199 223 2.6 3.92 6.09 A1V N 091850.64+364809.3
09188+3648 STF1334 AB 2019 206 224 2.6 3.92 6.09 A1V NO 091850.64+364809.3

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