00335+4006 HO 3 (HD 2993)
00h 33m 29.97s +40° 06' 20.2" P.A. 141.00 sep 0.4 mag 8.09,9.72 Sp F8 dist. 57.05 pc (186.1 l.y.)
| Coord 2000 |
00335+4006 |
|
Discov num |
HO 3 |
|
Comp |
|
|
Coord arcsec 2000 |
00 33 29.97 +40 06 20.2 |
|
| Date first |
1885 |
|
Date last |
2016 |
|
Obs |
24 |
|
| Pa first |
121 |
|
Pa last |
141.1 |
|
P.A. Now (θ) |
141.1° |
|
| Sep first |
0.5 |
|
Sep last |
0.399 |
|
Sep. Now (ρ) |
0.399" |
|
| Mag pri |
8.09 |
|
Mag sec |
9.72 |
|
delta mag (ΔM) |
1.63 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 2993 |
|
Constellation |
Andromeda |
|
SAO |
53983 |
|
HIP |
2643 |
|
| Tycho2 |
2788-00743-1 |
|
Gaia DR2 |
380693875209029504 |
|
HD |
2993 |
|
ADS |
463 |
|
| BD |
BD+39 115 |
|
Distance |
57.05 |
|
Distance ly |
186.1 |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
| Identifier | 00335+4006 |
| coord_arcsec_2000 | 003329.97+400620.2 |
| Period (P) | 0.27595y | ± 0.00002 |
Periastron (T) | 1997.162y | ± 0.0012 |
Semi-major axis (a) | | |
| Eccentricity (e) | 0.1986 | ± 0.0073 |
Inclination (i) | ° | |
Longitude of periastron (ω) | 113.4° | ± 1.7 |
| Node (Ω) | ° | |
Notes | n | |
Reference | Tok2017a | |
| Equinox | 2000 | |
Last observation | | |
Grade | 7 | (1=Definitive, 9=Indet.) |
Not enought orbital data to create a graph.
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
| Identifier | 00335+4006 HO 3 Aa,Ab |
| coord_arcsec_2000 | 003329.97+400620.2 |
| Period (P) | 4.849y | ± 0.02 |
Periastron (T) | 1994.927y | ± 0.01 |
Semi-major axis (a) | 0.058a | |
| Eccentricity (e) | 0.138 | ± 0.028 |
Inclination (i) | 94° | ± 8.2 |
Longitude of periastron (ω) | 132.3° | ± 7.67 |
| Node (Ω) | 100.7° | ± 7.9 |
Notes | n | |
Reference | Tok2017a | |
| Equinox | 2000 | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
282.6 |
0.045 |
| 2001 |
274.1 |
0.031 |
| 2002 |
107.4 |
0.034 |
| 2003 |
100.8 |
0.063 |
| 2004 |
87.8 |
0.016 |
| 2005 |
281.5 |
0.050 |
| 2006 |
270.3 |
0.022 |
| 2007 |
105.5 |
0.042 |
| 2008 |
100.1 |
0.061 |
| 2009 |
51.3 |
0.005 |
| 2010 |
280.5 |
0.052 |
| 2011 |
260.8 |
0.013 |
| 2012 |
104.3 |
0.049 |
| 2013 |
99.3 |
0.057 |
| 2014 |
300.9 |
0.010 |
| 2015 |
279.5 |
0.052 |
| 2016 |
210.1 |
0.005 |
| 2017 |
103.3 |
0.055 |
| 2018 |
98.4 |
0.051 |
| 2019 |
289.1 |
0.022 |
| 2020 |
278.5 |
0.048 |
| 2021 |
127.7 |
0.010 |
| 2022 |
102.5 |
0.059 |
| 2023 |
97.3 |
0.043 |
| 2024 |
285.4 |
0.032 |
| 2025 |
277.3 |
0.043 |
| 2026 |
113.8 |
0.019 |
| 2027 |
101.8 |
0.062 |
| 2028 |
95.5 |
0.034 |
| 2029 |
283.5 |
0.041 |
| 2030 |
275.6 |
0.036 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #3
| Identifier | 00335+4006 HO 3 AB |
| coord_arcsec_2000 | 003329.97+400620.2 |
| Period (P) | 70.34y | ± 1.36 |
Periastron (T) | 1983.62y | ± 0.6 |
Semi-major axis (a) | 0.393a | ± 0.02 |
| Eccentricity (e) | 0.331 | ± 0.032 |
Inclination (i) | 112.3° | ± 0.9 |
Longitude of periastron (ω) | 137.8° | ± 2.7 |
| Node (Ω) | 118.9° | ± 0.5 |
Notes | n | |
Reference | Tok2017a | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
237.3 |
0.178 |
| 2001 |
228.0 |
0.172 |
| 2002 |
218.2 |
0.169 |
| 2003 |
208.4 |
0.171 |
| 2004 |
199.0 |
0.177 |
| 2005 |
190.3 |
0.186 |
| 2006 |
182.6 |
0.198 |
| 2007 |
175.9 |
0.212 |
| 2008 |
170.0 |
0.228 |
| 2009 |
164.9 |
0.245 |
| 2010 |
160.5 |
0.263 |
| 2011 |
156.7 |
0.281 |
| 2012 |
153.3 |
0.299 |
| 2013 |
150.4 |
0.317 |
| 2014 |
147.7 |
0.335 |
| 2015 |
145.3 |
0.352 |
| 2016 |
143.1 |
0.368 |
| 2017 |
141.1 |
0.384 |
| 2018 |
139.3 |
0.399 |
| 2019 |
137.5 |
0.413 |
| 2020 |
135.9 |
0.425 |
| 2021 |
134.4 |
0.437 |
| 2022 |
133.0 |
0.447 |
| 2023 |
131.6 |
0.457 |
| 2024 |
130.2 |
0.465 |
| 2025 |
128.9 |
0.471 |
| 2026 |
127.7 |
0.476 |
| 2027 |
126.4 |
0.479 |
| 2028 |
125.2 |
0.481 |
| 2029 |
124.0 |
0.481 |
| 2030 |
122.8 |
0.480 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
