19464+3201 KAM 3 AB (HD 331161)
19h 46m 24.02s +32° 01' 00.4" P.A. 135.00 sep 5.7 mag 10.38,11.15 Sp M0.5V+M2V dist. 13.61 pc (44.4 l.y.)
| Coord 2000 |
19464+3201 |
|
Discov num |
KAM 3 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 46 24.02 +32 01 00.4 |
|
| Date first |
1935 |
|
Date last |
2019 |
|
Obs |
105 |
|
| Pa first |
135 |
|
Pa last |
135.3 |
|
P.A. Now (θ) |
135.3° |
|
| Sep first |
2.2 |
|
Sep last |
5.744 |
|
Sep. Now (ρ) |
5.744" |
|
| Mag pri |
10.38 |
|
Mag sec |
11.15 |
|
delta mag (ΔM) |
0.77 |
|
Spectral class |
M0.5V+M2V (red/red) |
|
| Pri motion ra |
+465 |
|
Sec motion ra |
|
|
| Pri motion dec |
-393 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
19464+3201 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 331161 |
|
19 46 24 +32 01 00 |
KAM 3 AB |
2019 |
105 |
135 |
5.7 |
10.38 |
11.15 |
0.77 |
Y |
<=== |
| Show |
|
|
19 46 24 +32 01 00 |
HEL 3 AC |
2002 |
5 |
169 |
15.8 |
10.38 |
14.90 |
4.52 |
|
|
| Show |
|
|
19 46 24 +32 00 57 |
HEL 3 BC |
2015 |
12 |
194 |
11.0 |
11.15 |
14.90 |
3.75 |
|
|
| Show |
|
68825 |
19 46 24 +32 00 57 |
CRC 35 BD |
2012 |
2 |
27 |
8.7 |
7.30 |
|
|
|
|
| Show |
|
|
19 46 24 +32 00 57 |
CRC 35 BE |
2012 |
2 |
117 |
9.0 |
7.30 |
|
|
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 331161 |
|
Constellation |
Cygnus |
|
HIP |
97292 |
|
Tycho2 |
2660-04236-1 |
|
| HD |
331161 |
|
GL |
Gl 767A |
|
BD |
BD+31 3767 |
|
Distance |
13.61 |
|
| Distance ly |
44.4 |
|
ORBITAL ELEMENTS
| Period (P) | 639.0027y | ± 256.7156 |
Periastron (T) | 1903.6521y | ± 9.5438 |
Semi-major axis (a) | 4.46363a | ± 0.99007 |
| Eccentricity (e) | 0.86843 | ± 0.09415 |
Inclination (i) | 74.471° | ± 5.904 |
Longitude of periastron (ω) | 188.633° | ± 34.417 |
| Node (Ω) | 138.511° | ± 6.056 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
134.3 |
5.148 |
| 2001 |
134.4 |
5.182 |
| 2002 |
134.4 |
5.217 |
| 2003 |
134.5 |
5.250 |
| 2004 |
134.5 |
5.284 |
| 2005 |
134.6 |
5.317 |
| 2006 |
134.7 |
5.350 |
| 2007 |
134.7 |
5.383 |
| 2008 |
134.8 |
5.416 |
| 2009 |
134.8 |
5.448 |
| 2010 |
134.9 |
5.480 |
| 2011 |
134.9 |
5.512 |
| 2012 |
135.0 |
5.543 |
| 2013 |
135.0 |
5.574 |
| 2014 |
135.0 |
5.605 |
| 2015 |
135.1 |
5.636 |
| 2016 |
135.1 |
5.667 |
| 2017 |
135.2 |
5.697 |
| 2018 |
135.2 |
5.727 |
| 2019 |
135.3 |
5.756 |
| 2020 |
135.3 |
5.786 |
| 2021 |
135.4 |
5.815 |
| 2022 |
135.4 |
5.844 |
| 2023 |
135.5 |
5.873 |
| 2024 |
135.5 |
5.901 |
| 2025 |
135.5 |
5.930 |
| 2026 |
135.6 |
5.958 |
| 2027 |
135.6 |
5.986 |
| 2028 |
135.7 |
6.013 |
| 2029 |
135.7 |
6.041 |
| 2030 |
135.7 |
6.068 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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