15532+1312 STT 583 (39 Ser)
15h 53m 12.10s +13° 11' 47.8" P.A. 81.00 sep 81.3 mag 6.10,11.80 Sp G0IV dist. 17.35 pc (56.6 l.y.)
Coord 2000 |
15532+1312 |
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Discov num |
STT 583 |
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Comp |
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Coord arcsec 2000 |
15 53 12.10 +13 11 47.8 |
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Date first |
1862 |
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Date last |
2013 |
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Obs |
10 |
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Pa first |
131 |
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Pa last |
81.3 |
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P.A. Now (θ) |
81.3° |
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Sep first |
106.4 |
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Sep last |
81.28 |
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Sep. Now (ρ) |
81.28" |
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Mag pri |
6.10 |
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Mag sec |
11.80 |
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delta mag (ΔM) |
5.7 |
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Spectral class |
G0IV (yellow) |
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Pri motion ra |
-151 |
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Sec motion ra |
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Pri motion dec |
-561 |
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Sec motion dec |
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Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
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This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
39 Ser |
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Var name |
NSV7313 Ser |
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Constellation |
Serpens |
|
SAO |
101792 |
|
HIP |
77801 |
|
Tycho2 |
0955-01148-1 |
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HD |
142267 |
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HR |
5911 |
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GC |
21337 |
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GL |
NN 3924 |
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BD |
BD+13 3024 |
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Flamsteed |
39 Serpentis |
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Flamsteed name |
39 Ser |
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FK5 |
3254 |
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Distance |
17.35 |
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Distance ly |
56.6 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 15532+1312 STT 583 A |
coord_arcsec_2000 | 155312.19+131152.8 |
Period (P) | 138.603d | |
Periastron (T) | 44165.4d (1979.797y) | |
Semi-major axis (a) | 2.8m | ± 0.5 |
Eccentricity (e) | 0.5 | |
Inclination (i) | 84.8° | ± 7.3 |
Longitude of periastron (ω) | 286.4° | |
Node (Ω) | 41.6° | ± 9.3 |
Notes | n | |
Reference | Ren2013 | |
Equinox | 2000 | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
52.2 |
0.001 |
2001-01-01 |
221.8 |
0.002 |
2002-01-01 |
205.7 |
0.001 |
2003-01-01 |
45.6 |
0.002 |
2004-01-01 |
218.9 |
0.003 |
2005-01-01 |
171.5 |
|
2006-01-01 |
39.9 |
0.002 |
2007-01-01 |
216.2 |
0.003 |
2008-01-01 |
68.0 |
0.001 |
2009-01-01 |
229.0 |
0.001 |
2010-01-01 |
212.3 |
0.002 |
2011-01-01 |
50.9 |
0.002 |
2012-01-01 |
221.3 |
0.003 |
2013-01-01 |
203.8 |
0.001 |
2014-01-01 |
44.9 |
0.002 |
2015-01-01 |
218.6 |
0.003 |
2016-01-01 |
156.5 |
|
2017-01-01 |
38.5 |
0.001 |
2018-01-01 |
215.8 |
0.003 |
2019-01-01 |
63.6 |
0.001 |
2020-01-01 |
226.5 |
0.001 |
2021-01-01 |
211.6 |
0.002 |
2022-01-01 |
49.8 |
0.002 |
2023-01-01 |
220.9 |
0.003 |
2024-01-01 |
201.6 |
0.001 |
2025-01-01 |
44.2 |
0.002 |
2026-01-01 |
218.2 |
0.003 |
2027-01-01 |
136.7 |
|
2028-01-01 |
36.3 |
0.001 |
2029-01-01 |
215.3 |
0.002 |
2030-01-01 |
60.3 |
0.001 |
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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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