18411+2447 LDS 6330
18h 41m 09.83s +24° 47' 14.4" P.A. 5.00 sep 4.5 mag 13.50,16.10 Sp M4.0V+M5V
Coord 2000 |
18411+2447 |
|
Discov num |
LDS6330 |
|
Comp |
|
|
Coord arcsec 2000 |
18 41 09.83 +24 47 14.4 |
|
Date first |
1905 |
|
Date last |
2019 |
|
Obs |
12 |
|
Pa first |
12 |
|
Pa last |
5.3 |
|
P.A. Now (θ) |
5.3° |
|
Sep first |
4.1 |
|
Sep last |
4.52 |
|
Sep. Now (ρ) |
4.52" |
|
Mag pri |
13.50 |
|
Mag sec |
16.10 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
M4.0V+M5V (red/red) |
|
Pri motion ra |
+496 |
|
Sec motion ra |
+496 |
|
Pri motion dec |
+081 |
|
Sec motion dec |
+081 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
Period (P) | 2116.622398y | |
Periastron (T) | 1900.653322y | |
Semi-major axis (a) | 45.49386a | |
Eccentricity (e) | 0.913263 | |
Inclination (i) | 91.1453° | |
Longitude of periastron (ω) | 296.5406° | |
Node (Ω) | 12.2208° | |
Notes | n | |
Reference | Kpp2020f | |
Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
6.4 |
5.298 |
2001 |
6.3 |
5.245 |
2002 |
6.2 |
5.191 |
2003 |
6.1 |
5.136 |
2004 |
6.0 |
5.082 |
2005 |
5.9 |
5.027 |
2006 |
5.8 |
4.973 |
2007 |
5.7 |
4.918 |
2008 |
5.6 |
4.863 |
2009 |
5.4 |
4.808 |
2010 |
5.3 |
4.752 |
2011 |
5.2 |
4.697 |
2012 |
5.0 |
4.641 |
2013 |
4.9 |
4.586 |
2014 |
4.8 |
4.530 |
2015 |
4.6 |
4.474 |
2016 |
4.5 |
4.418 |
2017 |
4.3 |
4.362 |
2018 |
4.2 |
4.305 |
2019 |
4.0 |
4.249 |
2020 |
3.9 |
4.193 |
2021 |
3.7 |
4.136 |
2022 |
3.5 |
4.079 |
2023 |
3.4 |
4.023 |
2024 |
3.2 |
3.966 |
2025 |
3.0 |
3.909 |
2026 |
2.8 |
3.852 |
2027 |
2.6 |
3.795 |
2028 |
2.4 |
3.738 |
2029 |
2.2 |
3.681 |
2030 |
2.0 |
3.624 |
|
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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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WDS 18411+2447 LDS 6330 : NOTES
discov_num |
notes |
refcode |
LDS6330 |
Aka POU3485. |
|
|
GJ 1230. Estimated age 30-300 Myr; masses 0.40 +/- 0.18 and 0.12 +/- |
|
|
0.03 Msun; a ~40.0 au. |
Jnn2014 |
REFERENCES
refcode |
metd |
author |
reference |
Jnn2014 |
A - |
Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F., |
2014ApJ...789..102J |
Jnn2014 |
+Cl |
Hippler, S., & Henning, T. |
|
Jnn2014 |
|
ApJ 789, 102, 2014 |
|
Kpp2020f |
Hg+ j |
Knapp, W.R.A. |
2020JDSO...16..229K |
Kpp2020f |
+C |
JDSO 16, 229, 2020 |
|
Kpp2020f |
+orb
|
|
|
DISCOVERER
idgroup |
discov |
author |
1 |
LDS |
Luyten p.m. catalog (from additional DD list) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18411+2447 |
LDS6330 |
|
2000 |
2 |
6 |
5.2 |
13.50 |
16.10 |
|
I |
184109.65+244714.8 |
18411+2447 |
LDS6330 |
|
2002 |
5 |
7 |
5.3 |
13.50 |
16.10 |
|
|
184109.65+244714.8 |
18411+2447 |
LDS6330 |
|
2012 |
8 |
6 |
4.8 |
13.50 |
16.10 |
M4.0V+M5V |
N |
184109.65+244714.8 |
18411+2447 |
LDS6330 |
|
2015 |
10 |
6 |
4.7 |
13.50 |
16.10 |
M4.0V+M5V |
NV |
184109.83+244714.4 |
18411+2447 |
LDS6330 |
|
2019 |
11 |
5 |
4.5 |
13.50 |
16.10 |
M4.0V+M5V |
NV |
184109.83+244714.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18411+2447 LDS 6330 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18411+2447 LDS 6330 : MEASURES
No records found.
WDS 18411+2447 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 18411+2447 : ALADIN DSS IMAGE @ 18h 41m 09.83s +24° 47' 14.4"
WDS 18411+2447 LDS 6330 : NEIGHBORHOODS
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Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
18411+2447 |
LDS6330 |
|
5 |
4.5 |
|
Show |
|
18410+2445 |
POU3478 |
|
115 |
9.8 |
3 |
Show |
|
18409+2447 |
POU3477 |
|
147 |
14.0 |
3 |
Show |
|
18410+2450 |
A 2988 |
|
210 |
0.1 |
4 |
Show |
|
18414+2445 |
POU3484 |
|
61 |
9.9 |
5 |
Show |
|
18407+2454 |
POU3470 |
|
149 |
11.5 |
10 |
Show |
|
18419+2446 |
POU3489 |
|
165 |
10.2 |
10 |
Show |
|
18405+2440 |
POU3468 |
|
64 |
11.1 |
12 |
Show |
|
18408+2437 |
POU3473 |
|
132 |
7.7 |
13 |
Show |
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18404+2439 |
POU3467 |
|
132 |
9.6 |
13 |
Show |
|
18401+2442 |
STF2364 |
|
174 |
10.6 |
16 |
Show |
|
18412+2505 |
SLE 501 |
|
314 |
19.3 |
18 |
Show |
|
18421+2501 |
TDT1010 |
|
323 |
1.9 |
19 |
Show |
|
18398+2443 |
POU3459 |
|
72 |
9.7 |
19 |
Show |
|
18413+2506 |
SLE 502 |
|
94 |
6.2 |
19 |
Show |
|
18424+2438 |
POU3492 |
|
94 |
8.4 |
20 |
Show |
|
18409+2506 |
POU3474 |
|
94 |
6.2 |
20 |
Show |
|
18424+2434 |
SLE 504 |
|
13 |
20.4 |
22 |
Show |
|
18407+2509 |
SLE 499 |
|
347 |
31.0 |
23 |
Show |
|
18398+2459 |
POU3458 |
|
21 |
7.2 |
23 |
Show |
|
18407+2423 |
POU3471 |
|
164 |
10.0 |
26 |
Show |
|
18397+2430 |
POU3457 |
|
322 |
6.4 |
26 |
Show |
|
18431+2447 |
TDS 937 |
|
44 |
1.7 |
26 |
Show |
|
18417+2422 |
POU3487 |
|
152 |
11.0 |
27 |
Show |
|
18397+2429 |
POU3456 |
|
190 |
21.3 |
27 |
Show |
|
18419+2514 |
TDT1006 |
|
13 |
1.8 |
29 |
Show |
|
18431+2500 |
POU3499 |
|
295 |
12.4 |
29 |
Show |
|
18420+2516 |
TDS 934 |
|
203 |
1.3 |
31 |
Show |
|
18434+2439 |
POU3504 |
|
212 |
6.3 |
32 |
Show |
|
18408+2417 |
POU3472 |
|
38 |
6.3 |
32 |
Show |
|
18408+2518 |
SLE 500 |
|
179 |
18.1 |
32 |
Show |
|
18421+2419 |
POU3490 |
|
259 |
3.7 |
32 |
Show |
|
18432+2433 |
A 252 |
|
288 |
1.6 |
33 |
Show |
|
18387+2439 |
HJ 1332 |
|
232 |
27.8 |
35 |
Show |
|
18433+2506 |
POU3503 |
|
95 |
6.3 |
36 |
Show |
|
18429+2420 |
POU3497 |
|
207 |
11.1 |
37 |
Show |
|
18429+2418 |
TDT1015 |
|
214 |
0.4 |
38 |
Show |
|
18411+2407 |
POU3480 |
|
100 |
7.2 |
41 |
Show |
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18395+2415 |
POU3455 |
|
85 |
13.3 |
41 |
Show |
|
18387+2422 |
POU3452 |
|
139 |
16.1 |
42 |
Show |
|
18420+2528 |
SLE 503 |
|
130 |
9.8 |
42 |
Show |
|
18441+2500 |
POU3514 |
|
273 |
6.8 |
43 |
Show |
|
18386+2422 |
POU3450 |
|
161 |
7.6 |
43 |
Show |
|
18380+2450 |
POU3449 |
|
226 |
5.0 |
44 |
Show |
|
18417+2405 |
POU3488 |
|
142 |
13.0 |
44 |
Show |
|
18379+2435 |
POU3448 |
|
31 |
19.0 |
46 |
Show |
|
18378+2450 |
POU3446 |
|
126 |
13.5 |
46 |
Show |
|
18438+2516 |
SLE 506 |
|
143 |
13.0 |
46 |
Show |
|
18444+2458 |
POU3518 |
AB |
350 |
12.5 |
47 |
Show |
|
18444+2458 |
POU3519 |
AC |
303 |
12.8 |
47 |
Show |
|
18377+2443 |
POU3445 |
|
254 |
11.2 |
47 |
|
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WDS 18411+2447 : COMPONENTS
18411+2447 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
184109.83+244714.4 |
|
Mag |
13.5 |
|
Spectral class |
M4.0V (red) |
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PmRA |
496.00 |
|
PmDE |
81.0 |
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18411+2447 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
184109.86+244718.9 |
|
Mag |
16.1 |
|
Spectral class |
M5V (red) |
|
PmRA |
496.00 |
|
PmDE |
81.0 |
|
Calc delta mag |
2.6 |
|
Calc coord |
yes |
|