01297+2250 A 1910 AB
01h 29m 41.17s +22° 49' 34.4" P.A. 176.00 sep 0.2 mag 7.30,7.90 Sp A2V dist. 164.2 pc (535.62 l.y.)
| Coord 2000 |
01297+2250 |
|
Discov num |
A 1910 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 29 41.17 +22 49 34.4 |
|
| Date first |
1908 |
|
Date last |
2019 |
|
Obs |
116 |
|
| Pa first |
127 |
|
Pa last |
176.2 |
|
P.A. Now (θ) |
168° |
|
| Sep first |
0.1 |
|
Sep last |
0.19 |
|
Sep. Now (ρ) |
0.229" |
|
| Mag pri |
7.30 |
|
Mag sec |
7.90 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01297+2250 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
74751 |
01 29 41 +22 49 34 |
A 1910 AB |
2019 |
116 |
176 |
0.2 |
7.30 |
7.90 |
0.60 |
Y |
<=== |
| Show |
|
74751 |
01 29 41 +22 49 34 |
A 1910 AB,C |
2013 |
7 |
352 |
18.8 |
6.77 |
12.71 |
5.94 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pisces |
|
SAO |
74751 |
|
HIP |
6966 |
|
Tycho2 |
1749-01315-1 |
|
| Gaia DR2 |
290030074823619200 |
|
HD |
9071 |
|
GC |
1801 |
|
ADS |
1183 |
|
| BD |
BD+22 236 |
|
Distance |
164.2 |
|
Distance ly |
535.62 |
|
ORBITAL ELEMENTS
| Period (P) | 70.7y | ± 1.2 |
Periastron (T) | 1985.037y | ± 0.072 |
Semi-major axis (a) | 0.1904a | ± 0.002 |
| Eccentricity (e) | 0.7802 | ± 0.0054 |
Inclination (i) | 119.7° | ± 1.1 |
Longitude of periastron (ω) | 119.6° | ± 1.2 |
| Node (Ω) | 129.8° | ± 1 |
Notes | n | |
Reference | Hrt1996a | |
| Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
209.9 |
0.128 |
| 2001 |
206.5 |
0.134 |
| 2002 |
203.5 |
0.139 |
| 2003 |
200.6 |
0.145 |
| 2004 |
198.0 |
0.150 |
| 2005 |
195.5 |
0.156 |
| 2006 |
193.3 |
0.161 |
| 2007 |
191.1 |
0.166 |
| 2008 |
189.1 |
0.171 |
| 2009 |
187.2 |
0.176 |
| 2010 |
185.4 |
0.181 |
| 2011 |
183.7 |
0.186 |
| 2012 |
182.1 |
0.190 |
| 2013 |
180.6 |
0.195 |
| 2014 |
179.1 |
0.199 |
| 2015 |
177.7 |
0.203 |
| 2016 |
176.3 |
0.207 |
| 2017 |
175.0 |
0.211 |
| 2018 |
173.8 |
0.215 |
| 2019 |
172.5 |
0.218 |
| 2020 |
171.3 |
0.221 |
| 2021 |
170.2 |
0.224 |
| 2022 |
169.1 |
0.227 |
| 2023 |
168.0 |
0.229 |
| 2024 |
166.9 |
0.231 |
| 2025 |
165.8 |
0.233 |
| 2026 |
164.8 |
0.235 |
| 2027 |
163.7 |
0.236 |
| 2028 |
162.7 |
0.238 |
| 2029 |
161.7 |
0.238 |
| 2030 |
160.7 |
0.239 |
| 2031 |
159.7 |
0.239 |
| 2032 |
158.7 |
0.239 |
| 2033 |
157.7 |
0.239 |
| 2034 |
156.7 |
0.238 |
| 2035 |
155.7 |
0.237 |
| 2036 |
154.7 |
0.235 |
| 2037 |
153.6 |
0.233 |
| 2038 |
152.5 |
0.230 |
| 2039 |
151.5 |
0.227 |
| 2040 |
150.3 |
0.224 |
| 2041 |
149.2 |
0.220 |
| 2042 |
148.0 |
0.215 |
| 2043 |
146.7 |
0.209 |
| 2044 |
145.3 |
0.203 |
| 2045 |
143.9 |
0.196 |
| 2046 |
142.4 |
0.188 |
| 2047 |
140.7 |
0.179 |
| 2048 |
138.8 |
0.168 |
| 2049 |
136.6 |
0.156 |
| 2050 |
134.0 |
0.142 |
|
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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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