22359+3938 CHR 112 Aa,Ab
22h 35m 52.28s +39° 38' 03.6" P.A. 138.00 sep 0.0 mag 5.66, Sp B2Ve dist. 662.25 pc (2160.26 l.y.)
| Coord 2000 |
22359+3938 |
|
Discov num |
CHR 112 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
22 35 52.28 +39 38 03.6 |
|
| Date first |
1985 |
|
Date last |
2020 |
|
Obs |
34 |
|
| Pa first |
307 |
|
Pa last |
137.9 |
|
P.A. Now (θ) |
150.2° |
|
| Sep first |
0.0 |
|
Sep last |
0.038 |
|
Sep. Now (ρ) |
0.034" |
|
| Mag pri |
5.66 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
B2Ve (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
22359+3938 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
72508 |
22 35 52 +39 38 04 |
CHR 112 Aa,Ab |
2020 |
34 |
138 |
0.0 |
5.66 |
|
|
Y |
<=== |
| Show |
8 Lac |
72508 |
22 35 52 +39 38 04 |
STF 2922 AB |
2020 |
171 |
186 |
22.5 |
5.66 |
6.29 |
0.63 |
|
|
| Show |
|
72508 |
22 35 52 +39 38 04 |
A 1469 AC |
2016 |
30 |
167 |
48.8 |
5.66 |
10.38 |
4.72 |
|
|
| Show |
|
72508 |
22 35 52 +39 38 04 |
A 1469 AD |
2017 |
64 |
145 |
81.6 |
5.66 |
9.08 |
3.42 |
|
|
| Show |
|
72508 |
22 35 52 +39 38 04 |
A 1469 AE |
2016 |
19 |
239 |
335.2 |
5.66 |
7.25 |
1.59 |
|
|
| Show |
|
72508 |
22 35 52 +39 38 04 |
DAL 28 AG |
2015 |
6 |
193 |
77.6 |
5.66 |
14.08 |
8.42 |
|
|
| Show |
|
72509 |
22 35 52 +39 37 41 |
STF 2922 BC |
2016 |
49 |
154 |
28.3 |
6.29 |
10.38 |
4.09 |
|
|
| Show |
|
72509 |
22 35 52 +39 37 41 |
A 1469 BD |
2016 |
52 |
130 |
66.9 |
6.29 |
9.08 |
2.79 |
|
|
| Show |
|
72509 |
22 35 52 +39 37 41 |
A 1469 BE |
2009 |
15 |
242 |
324.0 |
6.29 |
7.25 |
0.96 |
|
|
| Show |
|
72509 |
22 35 52 +39 37 41 |
COM 8 BF |
2012 |
6 |
175 |
127.6 |
6.29 |
10.97 |
4.68 |
|
|
| Show |
|
|
22 35 53 +39 37 16 |
A 1469 CD |
2016 |
32 |
115 |
42.4 |
10.38 |
9.08 |
1.30 |
|
|
| Show |
|
|
22 35 53 +39 37 16 |
A 1469 CH |
2015 |
3 |
255 |
1.7 |
10.38 |
14.60 |
4.22 |
|
|
| Show |
|
|
22 35 56 +39 36 58 |
A 1469 DI |
2015 |
14 |
227 |
10.0 |
9.08 |
13.30 |
4.22 |
|
|
| Show |
|
|
22 35 51 +39 36 48 |
DAL 28 GJ |
2016 |
9 |
78 |
6.5 |
14.08 |
12.99 |
1.09 |
|
|
11-fold system
10 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV14242 Lac |
|
Constellation |
Lacerta |
|
SAO |
72508 |
|
HIP |
111546 |
|
| Tycho2 |
3205-02482-1 |
|
Gaia DR2 |
1908368597999299840 |
|
HD |
214168 |
|
HR |
8603 |
|
| GC |
31550 |
|
ADS |
16095 |
|
BD |
BD+38 4808 |
|
Flamsteed |
8 Lacertae |
|
| Flamsteed name |
8 Lac |
|
Distance |
662.25 |
|
Distance ly |
2160.26 |
|
ORBITAL ELEMENTS
| Period (P) | 33.1y | ± 3.6 |
Periastron (T) | 2031.3y | ± 11.5 |
Semi-major axis (a) | 49.1m | ± 6.7 |
| Eccentricity (e) | 0.83 | ± 0.07 |
Inclination (i) | 62.8° | ± 4.6 |
Longitude of periastron (ω) | 257.7° | ± 2.4 |
| Node (Ω) | 50.1° | ± 6.9 |
Notes | n | |
Reference | Mit2021 | |
| Equinox | | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
61.2 |
0.028 |
| 2001 |
68.2 |
0.034 |
| 2002 |
73.3 |
0.038 |
| 2003 |
77.5 |
0.041 |
| 2004 |
81.2 |
0.044 |
| 2005 |
84.6 |
0.045 |
| 2006 |
87.8 |
0.046 |
| 2007 |
90.8 |
0.047 |
| 2008 |
93.8 |
0.047 |
| 2009 |
96.8 |
0.048 |
| 2010 |
99.7 |
0.047 |
| 2011 |
102.7 |
0.047 |
| 2012 |
105.8 |
0.047 |
| 2013 |
108.9 |
0.046 |
| 2014 |
112.1 |
0.045 |
| 2015 |
115.4 |
0.044 |
| 2016 |
118.9 |
0.043 |
| 2017 |
122.6 |
0.042 |
| 2018 |
126.5 |
0.041 |
| 2019 |
130.6 |
0.040 |
| 2020 |
135.0 |
0.038 |
| 2021 |
139.7 |
0.037 |
| 2022 |
144.8 |
0.036 |
| 2023 |
150.2 |
0.034 |
| 2024 |
156.2 |
0.033 |
| 2025 |
162.6 |
0.031 |
| 2026 |
169.7 |
0.030 |
| 2027 |
177.6 |
0.028 |
| 2028 |
186.5 |
0.026 |
| 2029 |
197.0 |
0.024 |
| 2030 |
210.9 |
0.020 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
