03101+2145 BU 1030 AB (HD 19616)
03h 10m 06.57s +21° 44' 49.5" P.A. 102.00 sep 0.8 mag 7.81,9.67 Sp F0 dist. 118.06 pc (385.11 l.y.)
Coord 2000 |
03101+2145 |
|
Discov num |
BU 1030 |
|
Comp |
AB |
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Coord arcsec 2000 |
03 10 06.57 +21 44 49.5 |
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Date first |
1888 |
|
Date last |
2016 |
|
Obs |
88 |
|
Pa first |
165 |
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Pa last |
102 |
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P.A. Now (θ) |
102° |
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Sep first |
0.6 |
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Sep last |
0.828 |
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Sep. Now (ρ) |
0.828" |
|
Mag pri |
7.81 |
|
Mag sec |
9.67 |
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delta mag (ΔM) |
1.86 |
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Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
+023 |
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Sec motion ra |
+023 |
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Pri motion dec |
-011 |
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Sec motion dec |
-011 |
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Notes |
O
(Orbital solution) |
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This double is physical.
03101+2145 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 19616 |
75764 |
03 10 07 +21 44 50 |
BU 1030 AB |
2016 |
88 |
102 |
0.8 |
7.81 |
9.67 |
1.86 |
Y |
<=== |
Show |
|
75764 |
03 10 07 +21 44 50 |
POP 225 AB,C |
2004 |
3 |
44 |
48.2 |
7.63 |
13.54 |
5.91 |
|
|
Show |
|
75764 |
03 10 07 +21 44 50 |
POP 225 AB,D |
2004 |
3 |
159 |
54.1 |
7.63 |
15.80 |
8.17 |
|
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 19616 |
|
Constellation |
Aries |
|
SAO |
75764 |
|
HIP |
14715 |
|
Tycho2 |
1231-00913-1 |
|
Gaia DR2 |
60787432349571456 |
|
HD |
19616 |
|
ADS |
2375 |
|
BD |
BD+21 413 |
|
Distance |
118.06 |
|
Distance ly |
385.11 |
|
ORBITAL ELEMENTS
Period (P) | 571y | |
Periastron (T) | 2156y | |
Semi-major axis (a) | 0.802a | |
Eccentricity (e) | 0.084 | |
Inclination (i) | 123.7° | |
Longitude of periastron (ω) | 90.3° | |
Node (Ω) | 97.4° | |
Notes | | |
Reference | Zir2012b | |
Equinox | 2000 | |
Last observation | 2007 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
107.3 |
0.792 |
2001 |
106.9 |
0.793 |
2002 |
106.5 |
0.794 |
2003 |
106.2 |
0.794 |
2004 |
105.8 |
0.795 |
2005 |
105.5 |
0.796 |
2006 |
105.1 |
0.797 |
2007 |
104.8 |
0.798 |
2008 |
104.4 |
0.798 |
2009 |
104.1 |
0.799 |
2010 |
103.7 |
0.799 |
2011 |
103.4 |
0.800 |
2012 |
103.0 |
0.800 |
2013 |
102.7 |
0.800 |
2014 |
102.3 |
0.800 |
2015 |
102.0 |
0.801 |
2016 |
101.6 |
0.801 |
2017 |
101.3 |
0.801 |
2018 |
100.9 |
0.801 |
2019 |
100.6 |
0.801 |
2020 |
100.2 |
0.800 |
2021 |
99.9 |
0.800 |
2022 |
99.5 |
0.800 |
2023 |
99.2 |
0.800 |
2024 |
98.8 |
0.799 |
2025 |
98.5 |
0.799 |
2026 |
98.1 |
0.798 |
2027 |
97.8 |
0.797 |
2028 |
97.4 |
0.797 |
2029 |
97.1 |
0.796 |
2030 |
96.7 |
0.795 |
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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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