07374+3852 HU 842 AB (HD 60694)
07h 37m 25.90s +38° 52' 05.5" P.A. 81.00 sep 0.4 mag 7.99,9.38 Sp A0 dist. 318.47 pc (1038.85 l.y.)
| Coord 2000 |
07374+3852 |
|
Discov num |
HU 842 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 37 25.90 +38 52 05.5 |
|
| Date first |
1904 |
|
Date last |
2013 |
|
Obs |
15 |
|
| Pa first |
16 |
|
Pa last |
80.8 |
|
P.A. Now (θ) |
80.8° |
|
| Sep first |
0.4 |
|
Sep last |
0.412 |
|
Sep. Now (ρ) |
0.412" |
|
| Mag pri |
7.99 |
|
Mag sec |
9.38 |
|
delta mag (ΔM) |
1.39 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
07374+3852 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 60694 |
60229 |
07 37 26 +38 52 06 |
HU 842 AB |
2013 |
15 |
81 |
0.4 |
7.99 |
9.38 |
1.39 |
Y |
<=== |
| Show |
|
60229 |
07 37 26 +38 52 06 |
STF 1118 AC |
2017 |
19 |
18 |
23.4 |
7.99 |
10.69 |
2.70 |
|
|
| Show |
|
60229 |
07 37 26 +38 52 06 |
STF 1118 AB,D |
2015 |
7 |
93 |
96.8 |
8.74 |
12.29 |
3.55 |
|
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 60694 |
|
Constellation |
Lynx |
|
SAO |
60229 |
|
HIP |
37102 |
|
| Tycho2 |
2958-00027-1 |
|
Gaia DR2 |
899271666800007808 |
|
HD |
60694 |
|
GC |
10198 |
|
| ADS |
6211 |
|
BD |
BD+39 1978 |
|
Distance |
318.47 |
|
Distance ly |
1038.85 |
|
ORBITAL ELEMENTS
| Period (P) | 982y | |
Periastron (T) | 1894.79y | |
Semi-major axis (a) | 0.905a | |
| Eccentricity (e) | 0.523 | |
Inclination (i) | 61.1° | |
Longitude of periastron (ω) | 325.9° | |
| Node (Ω) | 26° | |
Notes | | |
Reference | Lin2010c | |
| Equinox | 2000 | |
Last observation | 2003 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
71.1 |
0.437 |
| 2001 |
71.8 |
0.437 |
| 2002 |
72.4 |
0.436 |
| 2003 |
73.1 |
0.435 |
| 2004 |
73.7 |
0.434 |
| 2005 |
74.4 |
0.433 |
| 2006 |
75.1 |
0.432 |
| 2007 |
75.7 |
0.432 |
| 2008 |
76.4 |
0.431 |
| 2009 |
77.1 |
0.430 |
| 2010 |
77.7 |
0.430 |
| 2011 |
78.4 |
0.429 |
| 2012 |
79.1 |
0.428 |
| 2013 |
79.7 |
0.428 |
| 2014 |
80.4 |
0.427 |
| 2015 |
81.1 |
0.427 |
| 2016 |
81.8 |
0.426 |
| 2017 |
82.5 |
0.426 |
| 2018 |
83.1 |
0.425 |
| 2019 |
83.8 |
0.425 |
| 2020 |
84.5 |
0.424 |
| 2021 |
85.2 |
0.424 |
| 2022 |
85.9 |
0.424 |
| 2023 |
86.6 |
0.424 |
| 2024 |
87.3 |
0.423 |
| 2025 |
88.0 |
0.423 |
| 2026 |
88.7 |
0.423 |
| 2027 |
89.3 |
0.423 |
| 2028 |
90.0 |
0.423 |
| 2029 |
90.7 |
0.423 |
| 2030 |
91.4 |
0.423 |
|
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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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