20333+3323 HJ 1535 AB (HD 195992)
20h 33m 19.99s +33° 23' 23.6" P.A. 246.00 sep 17.2 mag 8.29,11.90 Sp F5 dist. 62.54 pc (204.01 l.y.)
| Coord 2000 |
20333+3323 |
|
Discov num |
HJ 1535 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 33 19.99 +33 23 23.6 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
17 |
|
| Pa first |
240 |
|
Pa last |
246.1 |
|
P.A. Now (θ) |
246.1° |
|
| Sep first |
12.0 |
|
Sep last |
17.232 |
|
Sep. Now (ρ) |
17.232" |
|
| Mag pri |
8.29 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
3.61 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+152 |
|
Sec motion ra |
-063 |
|
| Pri motion dec |
+136 |
|
Sec motion dec |
+039 |
|
| Notes |
N
(See Notes) |
|
rPM=1.156
This double is not physical.
20333+3323 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 195992 |
70189 |
20 33 20 +33 23 24 |
HJ 1535 AB |
2015 |
17 |
246 |
17.2 |
8.29 |
11.90 |
3.61 |
|
<=== |
| Show |
|
70189 |
20 33 20 +33 23 24 |
HJ 1535 AC |
2015 |
20 |
194 |
31.9 |
8.29 |
13.19 |
4.90 |
|
|
| Show |
|
70189 |
20 33 20 +33 23 24 |
HJ 1535 AD |
2015 |
26 |
230 |
59.1 |
8.29 |
11.03 |
2.74 |
|
|
| Show |
|
70189 |
20 33 20 +33 23 24 |
RAO 71 AE |
2015 |
15 |
225 |
12.5 |
8.29 |
15.00 |
6.71 |
|
|
| Show |
|
|
20 33 19 +33 23 17 |
RBR 30 Ba,Bb |
2018 |
4 |
308 |
0.2 |
9.30 |
9.60 |
0.30 |
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 195992 |
|
Constellation |
Cygnus |
|
SAO |
70189 |
|
HIP |
101430 |
|
| Tycho2 |
2690-00833-1 |
|
Gaia DR2 |
1863828790720410752 |
|
HD |
195992 |
|
BD |
BD+32 3860 |
|
| Distance |
62.54 |
|
Distance ly |
204.01 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 20333+3323 HJ 1535 A |
| coord_arcsec_2000 | 203319.89+332322.4 |
| Period (P) | 1437d (3.93y) | ± 208 |
Periastron (T) | 49417d (1994.175y) | ± 600 |
Semi-major axis (a) | 15.5m | ± 3.2 |
| Eccentricity (e) | 0.55 | ± 0.23 |
Inclination (i) | 93° | ± 4 |
Longitude of periastron (ω) | 78° | ± 22 |
| Node (Ω) | 178° | ± 7 |
Notes | | |
Reference | Gln2007 | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
346.5 |
0.006 |
| 2001-01-01 |
185.7 |
0.007 |
| 2002-01-01 |
172.5 |
0.003 |
| 2003-01-01 |
355.4 |
0.015 |
| 2004-01-01 |
344.6 |
0.005 |
| 2005-01-01 |
184.6 |
0.008 |
| 2006-01-01 |
139.5 |
0.001 |
| 2007-01-01 |
355.1 |
0.014 |
| 2008-01-01 |
341.9 |
0.004 |
| 2009-01-01 |
183.7 |
0.009 |
| 2010-01-01 |
6.3 |
0.003 |
| 2011-01-01 |
354.8 |
0.014 |
| 2012-01-01 |
338.0 |
0.004 |
| 2013-01-01 |
183.0 |
0.009 |
| 2014-01-01 |
1.5 |
0.005 |
| 2015-01-01 |
354.5 |
0.014 |
| 2016-01-01 |
331.8 |
0.003 |
| 2017-01-01 |
182.3 |
0.010 |
| 2018-01-01 |
360.0 |
0.008 |
| 2019-01-01 |
354.1 |
0.013 |
| 2020-01-01 |
320.7 |
0.002 |
| 2021-01-01 |
181.7 |
0.010 |
| 2022-01-01 |
359.1 |
0.009 |
| 2023-01-01 |
353.7 |
0.013 |
| 2024-01-01 |
298.7 |
0.001 |
| 2025-01-01 |
181.1 |
0.011 |
| 2026-01-01 |
358.5 |
0.011 |
| 2027-01-01 |
353.3 |
0.012 |
| 2028-01-01 |
260.3 |
0.001 |
| 2029-01-01 |
180.6 |
0.011 |
| 2030-01-01 |
358.0 |
0.012 |
|
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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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