03175+6540 STT  52AB

 
 
03h 17m 31.54s +65 39' 30.1" P.A. 52.9 sep 0.51 mag 7.06,7.40 Sp A2V dist. 168.92 pc (551.02 l.y.)
 
 
Coord 2000
03175+6540
Discov num
STT  52
Comp
AB
Coord arcsec 2000
03 17 31.54 +65 39 30.1
Date first
1843
Date last
2015
Obs
144
Pa first
157
Pa last
56
P.A. Now (θ)
52.9°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.51"
Mag pri
7.06
Mag sec
7.40
delta mag (ΔM)
0.34
Spectral class
A2V (white)
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
+005
Sec motion dec
+005
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03175+6540 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12686 03175+6540 STT 52 AB 1843 2015 144 53 0.5 7.06 7.40 0.34 Y <===
Show 12686 03175+6540 STT 52 AB,C 1912 2003 3 223 81.2 6.46 12.70 6.24
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56.3
Precise sep
0.484
Constellation
Camelopardalis
SAO
12686
HIP
15309
Tycho2
4061-00195-1
HD
20104
HR
967
ADS
2436
BD
BD+65 338
Distance
168.92
Distance ly
551.02
last precise pa
56.3
last precise sep
0.484
 
 
ORBITAL ELEMENTS
 
 
Period (P)1593.1y Periastron (T)3418.5y Semi-major axis (a)1.918a
Eccentricity (e)0.807 Inclination (i)105.4° Longitude of periastron (ω)307.4°
Node (Ω)146.9° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.480 62.6
2001 0.481 62.0
2002 0.482 61.4
2003 0.484 60.9
2004 0.485 60.3
2005 0.487 59.8
2006 0.488 59.2
2007 0.490 58.7
2008 0.491 58.1
2009 0.493 57.6
2010 0.494 57.1
2011 0.496 56.5
2012 0.498 56.0
2013 0.500 55.5
2014 0.501 55.0
2015 0.503 54.4
2016 0.505 53.9
2017 0.507 53.4
2018 0.509 52.9
2019 0.511 52.4
2020 0.513 51.9
2021 0.515 51.4
2022 0.517 50.9
2023 0.519 50.4
2024 0.521 50.0
2025 0.523 49.5
2026 0.525 49.0
2027 0.527 48.5
2028 0.529 48.1
2029 0.532 47.6
2030 0.534 47.1

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

grafico orbita





wds03175%2B6540e.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
03175+6540 STT 52 AB 2006 135 60 0.5 7.06 7.40 A2V NOD 031731.54+653930.1
03175+6540 STT 52 AB 2007 140 58 0.5 7.06 7.40 A2V NOD 031731.54+653930.1
03175+6540 STT 52 AB 2010 142 58 0.5 7.06 7.40 A2V NOD 031731.54+653930.1
03175+6540 STT 52 AB 2015 144 56 0.5 7.06 7.40 A2V NO 031731.54+653930.1

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