01095+4715 STT 515 AB (Phi And)
01h 09m 30.12s +47° 14' 30.6" P.A. 114.00 sep 0.5 mag 4.59,5.61 Sp B7Ve dist. 219.78 pc (716.92 l.y.)
| Coord 2000 |
01095+4715 |
|
Discov num |
STT 515 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 09 30.12 +47 14 30.6 |
|
| Date first |
1851 |
|
Date last |
2021 |
|
Obs |
232 |
|
| Pa first |
308 |
|
Pa last |
113.5 |
|
P.A. Now (θ) |
113.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.519 |
|
Sep. Now (ρ) |
0.519" |
|
| Mag pri |
4.59 |
|
Mag sec |
5.61 |
|
delta mag (ΔM) |
1.02 |
|
Spectral class |
B7Ve (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-011 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01095+4715 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Phi And |
36972 |
01 09 30 +47 14 31 |
STT 515 AB |
2021 |
232 |
114 |
0.5 |
4.59 |
5.61 |
1.02 |
Y |
<=== |
| Show |
|
36972 |
01 09 30 +47 14 31 |
SBK 1 AC |
2021 |
3 |
224 |
9.8 |
4.59 |
|
|
|
|
| Show |
|
36972 |
01 09 30 +47 14 31 |
SBK 1 AD |
2021 |
2 |
63 |
27.7 |
4.59 |
|
|
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Phi And |
|
Constellation |
Andromeda |
|
SAO |
36972 |
|
HIP |
5434 |
|
| Tycho2 |
3268-01358-1 |
|
Gaia DR2 |
401100815317862144 |
|
HD |
6811 |
|
HR |
335 |
|
| GC |
1394 |
|
ADS |
940 |
|
BD |
BD+46 275 |
|
Bayer |
Phi Andromedae |
|
| Bayer name |
Phi And |
|
Flamsteed |
42 Andromedae |
|
Flamsteed name |
42 And |
|
Distance |
219.78 |
|
| Distance ly |
716.92 |
|
Bayer greek |
φ And |
|
ORBITAL ELEMENTS
| Period (P) | 554y | ± 67 |
Periastron (T) | 1907.45y | ± 5.03 |
Semi-major axis (a) | 0.573a | ± 0.051 |
| Eccentricity (e) | 0.385 | ± 0.043 |
Inclination (i) | 142.2° | ± 2.8 |
Longitude of periastron (ω) | 112.6° | ± 9.1 |
| Node (Ω) | 337.2° | ± 3.2 |
Notes | n | |
Reference | Mut2010b | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
125.8 |
0.503 |
| 2001 |
125.2 |
0.504 |
| 2002 |
124.6 |
0.505 |
| 2003 |
124.0 |
0.506 |
| 2004 |
123.4 |
0.507 |
| 2005 |
122.8 |
0.509 |
| 2006 |
122.2 |
0.510 |
| 2007 |
121.6 |
0.511 |
| 2008 |
121.0 |
0.512 |
| 2009 |
120.4 |
0.513 |
| 2010 |
119.8 |
0.514 |
| 2011 |
119.2 |
0.515 |
| 2012 |
118.7 |
0.516 |
| 2013 |
118.1 |
0.517 |
| 2014 |
117.5 |
0.518 |
| 2015 |
116.9 |
0.519 |
| 2016 |
116.3 |
0.520 |
| 2017 |
115.8 |
0.521 |
| 2018 |
115.2 |
0.522 |
| 2019 |
114.6 |
0.523 |
| 2020 |
114.0 |
0.524 |
| 2021 |
113.5 |
0.524 |
| 2022 |
112.9 |
0.525 |
| 2023 |
112.3 |
0.526 |
| 2024 |
111.8 |
0.527 |
| 2025 |
111.2 |
0.528 |
| 2026 |
110.7 |
0.529 |
| 2027 |
110.1 |
0.530 |
| 2028 |
109.6 |
0.531 |
| 2029 |
109.0 |
0.531 |
| 2030 |
108.5 |
0.532 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
