00507+6415 MCA 2 (NSV317)
00h 50m 43.57s +64° 14' 51.3" P.A. 126.00 sep 0.0 mag 5.70,6.80 Sp G5III+A0V dist. 196.08 pc (639.61 l.y.)
| Coord 2000 |
00507+6415 |
|
Discov num |
MCA 2 |
|
Comp |
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Coord arcsec 2000 |
00 50 43.57 +64 14 51.3 |
|
| Date first |
1978 |
|
Date last |
2020 |
|
Obs |
34 |
|
| Pa first |
171 |
|
Pa last |
125.7 |
|
P.A. Now (θ) |
245.9° |
|
| Sep first |
0.0 |
|
Sep last |
0.036 |
|
Sep. Now (ρ) |
0.019" |
|
| Mag pri |
5.70 |
|
Mag sec |
6.80 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
G5III+A0V (yellow/white) |
|
| Pri motion ra |
+030 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV317 |
|
Constellation |
Cassiopeia |
|
SAO |
11424 |
|
HIP |
3951 |
|
| Tycho2 |
4024-02330-1 |
|
Gaia DR2 |
524013674007632384 |
|
HD |
4775 |
|
HR |
233 |
|
| GC |
1004 |
|
BD |
BD+63 99 |
|
FK5 |
29 |
|
Distance |
196.08 |
|
| Distance ly |
639.61 |
|
ORBITAL ELEMENTS
| Period (P) | 5.74y | ± 0.002 |
Periastron (T) | 1982.32y | ± 0.02 |
Semi-major axis (a) | 27m | ± 1 |
| Eccentricity (e) | 0.537 | ± 0.012 |
Inclination (i) | 161° | ± 13 |
Longitude of periastron (ω) | 321° | ± 2 |
| Node (Ω) | 295° | ± 2 |
Notes | n | |
Reference | Mit2021 | |
| Equinox | | |
Last observation | 2020 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
250.3 |
0.018 |
| 2001 |
189.3 |
0.032 |
| 2002 |
161.7 |
0.040 |
| 2003 |
139.3 |
0.040 |
| 2004 |
111.7 |
0.032 |
| 2005 |
34.8 |
0.014 |
| 2006 |
226.4 |
0.022 |
| 2007 |
180.9 |
0.035 |
| 2008 |
155.8 |
0.040 |
| 2009 |
133.1 |
0.039 |
| 2010 |
101.1 |
0.028 |
| 2011 |
337.3 |
0.012 |
| 2012 |
209.9 |
0.026 |
| 2013 |
173.5 |
0.037 |
| 2014 |
150.0 |
0.041 |
| 2015 |
126.5 |
0.037 |
| 2016 |
86.8 |
0.024 |
| 2017 |
281.4 |
0.015 |
| 2018 |
197.7 |
0.030 |
| 2019 |
166.9 |
0.039 |
| 2020 |
144.3 |
0.040 |
| 2021 |
119.0 |
0.034 |
| 2022 |
65.2 |
0.019 |
| 2023 |
245.9 |
0.019 |
| 2024 |
187.9 |
0.033 |
| 2025 |
160.8 |
0.040 |
| 2026 |
138.4 |
0.040 |
| 2027 |
110.2 |
0.031 |
| 2028 |
27.5 |
0.014 |
| 2029 |
223.5 |
0.023 |
| 2030 |
179.7 |
0.035 |
|
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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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