23075+2108 MAR 1 Aa,Ad
23h 07m 28.71s +21° 08' 03.3" P.A. 221.00 sep 0.7 mag 5.38,15.26 Sp A5V dist. 39.4 pc (128.52 l.y.)
Coord 2000 |
23075+2108 |
|
Discov num |
MAR 1 |
|
Comp |
Aa,Ad |
|
Coord arcsec 2000 |
23 07 28.71 +21 08 03.3 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
25 |
|
Pa first |
166 |
|
Pa last |
220.5 |
|
P.A. Now (θ) |
220.5° |
|
Sep first |
0.5 |
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Sep last |
0.671 |
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Sep. Now (ρ) |
0.671" |
|
Mag pri |
5.38 |
|
Mag sec |
15.26 |
|
delta mag (ΔM) |
9.88 |
|
Spectral class |
A5V (white) |
|
Pri motion ra |
+108 |
|
Sec motion ra |
|
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Pri motion dec |
-050 |
|
Sec motion dec |
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Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
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Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
23075+2108 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
V342 Peg |
91022 |
23 07 29 +21 08 03 |
MAR 1 Aa,Ab |
2015 |
33 |
67 |
1.7 |
5.38 |
16.30 |
10.92 |
Y |
|
Show |
|
91022 |
23 07 29 +21 08 03 |
MAR 1 Aa,Ac |
2015 |
32 |
329 |
0.9 |
5.38 |
14.65 |
9.27 |
Y |
|
Show |
|
91022 |
23 07 29 +21 08 03 |
MAR 1 Aa,Ad |
2015 |
25 |
221 |
0.7 |
5.38 |
15.26 |
9.88 |
Y |
<=== |
Show |
|
91022 |
23 07 29 +21 08 03 |
MAR 1 Aa,Ae |
2014 |
16 |
272 |
0.4 |
5.38 |
15.90 |
10.52 |
Y |
|
Show |
|
91022 |
23 07 29 +21 08 03 |
LWR 19 AB |
2007 |
2 |
13 |
14.2 |
5.40 |
21.60 |
16.20 |
|
|
Show |
|
91022 |
23 07 29 +21 08 03 |
LWR 19 AC |
2007 |
2 |
116 |
14.9 |
5.40 |
20.40 |
15.00 |
|
|
Show |
|
91022 |
23 07 29 +21 08 03 |
CLO 11 AD |
1994 |
1 |
224 |
240.0 |
5.96 |
20.80 |
14.84 |
|
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Octuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
V342 Peg |
|
Constellation |
Pegasus |
|
SAO |
91022 |
|
HIP |
114189 |
|
Tycho2 |
1718-02350-1 |
|
Gaia DR2 |
2832463659640297472 |
|
HD |
218396 |
|
HR |
8799 |
|
BD |
BD+20 5278 |
|
FK5 |
3850 |
|
Distance |
39.4 |
|
Distance ly |
128.52 |
|
ORBITAL ELEMENTS
Period (P) | 113.97y | ± 6.18 |
Periastron (T) | 1965.27y | ± 1.55 |
Semi-major axis (a) | 0.685a | ± 0.019 |
Eccentricity (e) | 0 | |
Inclination (i) | 38.63° | ± 2.84 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 56.09° | ± 3.78 |
Notes | n | |
Reference | Zur2015 | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
170.7 |
0.554 |
2001 |
174.4 |
0.560 |
2002 |
178.1 |
0.567 |
2003 |
181.6 |
0.574 |
2004 |
185.1 |
0.582 |
2005 |
188.5 |
0.590 |
2006 |
191.8 |
0.598 |
2007 |
195.0 |
0.606 |
2008 |
198.1 |
0.615 |
2009 |
201.1 |
0.623 |
2010 |
204.0 |
0.631 |
2011 |
206.9 |
0.638 |
2012 |
209.7 |
0.646 |
2013 |
212.5 |
0.652 |
2014 |
215.2 |
0.659 |
2015 |
217.8 |
0.664 |
2016 |
220.4 |
0.670 |
2017 |
223.0 |
0.674 |
2018 |
225.5 |
0.678 |
2019 |
228.0 |
0.681 |
2020 |
230.5 |
0.683 |
2021 |
233.0 |
0.684 |
2022 |
235.5 |
0.685 |
2023 |
237.9 |
0.685 |
2024 |
240.4 |
0.684 |
2025 |
242.9 |
0.682 |
2026 |
245.4 |
0.679 |
2027 |
247.9 |
0.676 |
2028 |
250.5 |
0.672 |
2029 |
253.0 |
0.667 |
2030 |
255.7 |
0.662 |
|
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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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