09094+2203 WRH 16 AB (Nahn)
09h 09m 21.53s +22° 02' 43.6" P.A. 108.00 sep 0.2 mag 5.70,6.20 Sp K0III dist. 114.42 pc (373.24 l.y.)
| Coord 2000 |
09094+2203 |
|
Discov num |
WRH 16 |
|
Comp |
AB |
|
Coord arcsec 2000 |
09 09 21.53 +22 02 43.6 |
|
| Date first |
1937 |
|
Date last |
1944 |
|
Obs |
2 |
|
| Pa first |
62 |
|
Pa last |
108 |
|
P.A. Now (θ) |
108° |
|
| Sep first |
0.3 |
|
Sep last |
0.15 |
|
Sep. Now (ρ) |
0.15" |
|
| Mag pri |
5.70 |
|
Mag sec |
6.20 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
K0III (yellow-orange) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
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|
| Pri motion dec |
+005 |
|
Sec motion dec |
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|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
09094+2203 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Nahn |
80666 |
09 09 22 +22 02 44 |
WRH 16 AB |
1944 |
2 |
108 |
0.2 |
5.70 |
6.20 |
0.50 |
Y |
<=== |
| Show |
|
80666 |
09 09 22 +22 02 44 |
WRH 16 AC |
2011 |
1 |
8 |
2.2 |
5.70 |
|
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|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Nahn |
|
Constellation |
Cancer |
|
SAO |
80666 |
|
HIP |
44946 |
|
| Tycho2 |
1407-01989-1 |
|
HD |
78515 |
|
HR |
3627 |
|
GC |
12635 |
|
| BD |
BD+22 2061 |
|
Bayer |
Xi Cancri |
|
Bayer name |
Xi Cnc |
|
Flamsteed |
77 Cancri |
|
| Flamsteed name |
77 Cnc |
|
FK5 |
1239 |
|
Distance |
114.42 |
|
Distance ly |
373.24 |
|
| Bayer greek |
ξ Cnc |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 09094+2203 WRH 16 |
| coord_arcsec_2000 | 090921.53+220243.6 |
| Period (P) | 1700.7d (4.66y) | |
Periastron (T) | 28876.8d (1937.938y) | |
Semi-major axis (a) | 10.5m | ± 1.7 |
| Eccentricity (e) | 0.06 | |
Inclination (i) | 144.1° | ± 4.9 |
Longitude of periastron (ω) | 301.1° | |
| Node (Ω) | 282° | ± 9.7 |
Notes | n | |
Reference | Jnc2005 | |
| Equinox | | |
Last observation | 1992 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
221.7 |
0.009 |
| 2001-01-01 |
141.1 |
0.010 |
| 2002-01-01 |
79.5 |
0.010 |
| 2003-01-01 |
347.8 |
0.008 |
| 2004-01-01 |
269.7 |
0.010 |
| 2005-01-01 |
192.5 |
0.009 |
| 2006-01-01 |
119.4 |
0.011 |
| 2007-01-01 |
53.5 |
0.009 |
| 2008-01-01 |
316.2 |
0.009 |
| 2009-01-01 |
245.9 |
0.010 |
| 2010-01-01 |
163.9 |
0.009 |
| 2011-01-01 |
99.1 |
0.011 |
| 2012-01-01 |
20.6 |
0.008 |
| 2013-01-01 |
290.6 |
0.010 |
| 2014-01-01 |
219.2 |
0.009 |
| 2015-01-01 |
139.0 |
0.010 |
| 2016-01-01 |
77.4 |
0.010 |
| 2017-01-01 |
344.7 |
0.008 |
| 2018-01-01 |
267.6 |
0.010 |
| 2019-01-01 |
189.8 |
0.009 |
| 2020-01-01 |
117.6 |
0.011 |
| 2021-01-01 |
50.9 |
0.009 |
| 2022-01-01 |
313.7 |
0.009 |
| 2023-01-01 |
243.7 |
0.010 |
| 2024-01-01 |
161.4 |
0.009 |
| 2025-01-01 |
97.3 |
0.011 |
| 2026-01-01 |
17.4 |
0.008 |
| 2027-01-01 |
288.5 |
0.010 |
| 2028-01-01 |
216.6 |
0.009 |
| 2029-01-01 |
137.0 |
0.010 |
| 2030-01-01 |
75.3 |
0.010 |
|
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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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