00174+0853 A 1803 AB
00h 17m 24.50s +08° 52' 34.8" P.A. 307.00 sep 0.2 mag 8.38,7.78 Sp F7V dist. 15.19 pc (49.55 l.y.)
| Coord 2000 |
00174+0853 |
|
Discov num |
A 1803 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 17 24.50 +08 52 34.8 |
|
| Date first |
1908 |
|
Date last |
2008 |
|
Obs |
53 |
|
| Pa first |
300 |
|
Pa last |
307.2 |
|
P.A. Now (θ) |
137.3° |
|
| Sep first |
0.1 |
|
Sep last |
0.162 |
|
Sep. Now (ρ) |
0.072" |
|
| Mag pri |
8.38 |
|
Mag sec |
7.78 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
+063 |
|
Sec motion ra |
|
|
| Pri motion dec |
+061 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
00174+0853 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
109111 |
00 17 24 +08 52 35 |
A 1803 AB |
2008 |
53 |
307 |
0.2 |
8.38 |
7.78 |
0.60 |
Y |
<=== |
| Show |
38 Psc |
109111 |
00 17 24 +08 52 35 |
STF 22 AB,C |
2020 |
175 |
234 |
3.9 |
7.13 |
7.66 |
0.53 |
|
|
| Show |
|
109111 |
00 17 24 +08 52 35 |
STF 22 AB,D |
2005 |
10 |
151 |
66.8 |
7.13 |
11.50 |
4.37 |
|
|
| Show |
|
109111 |
00 17 24 +08 52 35 |
POP 229 AB,E |
2005 |
3 |
239 |
75.3 |
7.13 |
16.16 |
9.03 |
|
|
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pisces |
|
SAO |
109111 |
|
HIP |
1392 |
|
Tycho2 |
0595-01040-3 |
|
| Gaia DR2 |
2752315446728243328 |
|
HD |
1317 |
|
GC |
340 |
|
ADS |
238 |
|
| BD |
BD+08 24 |
|
Flamsteed |
38 Piscium |
|
Flamsteed name |
38 Psc |
|
Distance |
15.19 |
|
| Distance ly |
49.55 |
|
ORBITAL ELEMENTS
| Period (P) | 35.66y | |
Periastron (T) | 1950.7y | |
Semi-major axis (a) | 0.189a | |
| Eccentricity (e) | 0.002 | |
Inclination (i) | 95.4° | |
Longitude of periastron (ω) | 282° | |
| Node (Ω) | 124.1° | |
Notes | n | |
Reference | Hrt2010a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
114.9 |
0.096 |
| 2001 |
109.7 |
0.067 |
| 2002 |
96.1 |
0.037 |
| 2003 |
33.7 |
0.018 |
| 2004 |
332.0 |
0.038 |
| 2005 |
318.5 |
0.067 |
| 2006 |
313.3 |
0.096 |
| 2007 |
310.4 |
0.123 |
| 2008 |
308.6 |
0.146 |
| 2009 |
307.2 |
0.165 |
| 2010 |
306.0 |
0.178 |
| 2011 |
305.0 |
0.187 |
| 2012 |
304.0 |
0.189 |
| 2013 |
303.1 |
0.186 |
| 2014 |
302.1 |
0.177 |
| 2015 |
300.9 |
0.162 |
| 2016 |
299.4 |
0.143 |
| 2017 |
297.4 |
0.119 |
| 2018 |
294.4 |
0.092 |
| 2019 |
288.5 |
0.063 |
| 2020 |
271.8 |
0.033 |
| 2021 |
197.0 |
0.019 |
| 2022 |
148.4 |
0.042 |
| 2023 |
137.3 |
0.072 |
| 2024 |
132.6 |
0.101 |
| 2025 |
130.0 |
0.127 |
| 2026 |
128.3 |
0.150 |
| 2027 |
126.9 |
0.168 |
| 2028 |
125.8 |
0.180 |
| 2029 |
124.8 |
0.187 |
| 2030 |
123.8 |
0.189 |
|
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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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