12490+6607 DEL 4 (DP Dra)
12h 49m 02.75s +66° 06' 36.7" P.A. 221.00 sep 0.3 mag 6.80,6.80 Sp M3 dist. 10.21 pc (33.31 l.y.)
Coord 2000 |
12490+6607 |
|
Discov num |
DEL 4 |
|
Comp |
|
|
Coord arcsec 2000 |
12 49 02.75 +66 06 36.7 |
|
Date first |
1997 |
|
Date last |
2019 |
|
Obs |
10 |
|
Pa first |
240 |
|
Pa last |
221.4 |
|
P.A. Now (θ) |
20.1° |
|
Sep first |
0.2 |
|
Sep last |
0.269 |
|
Sep. Now (ρ) |
0.273" |
|
Mag pri |
6.80 |
|
Mag sec |
6.80 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
M3 (red) |
|
Pri motion ra |
-438 |
|
Sec motion ra |
|
|
Pri motion dec |
-101 |
|
Sec motion dec |
|
|
Notes |
O
K
(Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
DP Dra |
|
Constellation |
Draco |
|
HIP |
62556 |
|
GL |
Gl 487 |
|
Distance |
10.21 |
|
Distance ly |
33.31 |
|
ORBITAL ELEMENTS
Period (P) | 7.307817y | |
Periastron (T) | 2009.262199y | |
Semi-major axis (a) | 0.33498a | |
Eccentricity (e) | 0.426987 | |
Inclination (i) | 76.1171° | |
Longitude of periastron (ω) | 83.3857° | |
Node (Ω) | 21.9262° | |
Notes | | |
Reference | Kpp2020f | |
Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
3.1 |
0.244 |
2001 |
18.9 |
0.280 |
2002 |
110.1 |
0.046 |
2003 |
203.0 |
0.297 |
2004 |
215.1 |
0.301 |
2005 |
235.2 |
0.192 |
2006 |
300.2 |
0.115 |
2007 |
355.9 |
0.210 |
2008 |
14.4 |
0.289 |
2009 |
37.4 |
0.138 |
2010 |
198.1 |
0.248 |
2011 |
211.3 |
0.318 |
2012 |
226.9 |
0.231 |
2013 |
272.7 |
0.121 |
2014 |
345.8 |
0.173 |
2015 |
9.8 |
0.277 |
2016 |
26.0 |
0.226 |
2017 |
189.2 |
0.163 |
2018 |
207.7 |
0.321 |
2019 |
220.9 |
0.266 |
2020 |
251.6 |
0.147 |
2021 |
330.3 |
0.139 |
2022 |
4.6 |
0.252 |
2023 |
20.1 |
0.273 |
2024 |
147.7 |
0.057 |
2025 |
204.0 |
0.305 |
2026 |
216.2 |
0.295 |
2027 |
237.8 |
0.183 |
2028 |
307.1 |
0.117 |
2029 |
357.9 |
0.219 |
2030 |
15.5 |
0.289 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 12490+6607 DEL 4 (DP Dra) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Kpp2020f |
Hg+ j |
Knapp, W.R.A. |
2020JDSO...16..229K |
Kpp2020f |
+C |
JDSO 16, 229, 2020 |
|
Kpp2020f |
+orb
|
|
|
DISCOVERER
idgroup |
discov |
author |
1 |
DEL |
Delfosse, X., Forveille, T., Beuzit, J.-L., Udry, S., Mayor, M., & Perrier, C. |
4 |
DEL |
Delfosse, X., Forveille, T., Segransan, D., Beuzit, J.-L.; Udry, S., Perrier, C., |
4 |
DEL |
& Mayor, M. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
12490+6607 |
DEL 4 |
|
1997 |
0 |
|
0.2 |
10.92 |
|
M3 |
|
124902.75+660636.7 |
12490+6607 |
DEL 4 |
|
2008 |
1 |
201 |
0.3 |
10.92 |
|
M3 |
|
124902.75+660636.7 |
12490+6607 |
DEL 4 |
|
2019 |
8 |
221 |
0.3 |
10.92 |
|
M3 |
|
124902.75+660636.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 12490+6607 DEL 4 (DP Dra) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 12490+6607 DEL 4 (DP Dra) : MEASURES
No records found.
WDS 12490+6607 (DP Dra) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 12490+6607 (DP Dra) : ALADIN DSS IMAGE @ 12h 49m 02.75s +66° 06' 36.7"
WDS 12490+6607 DEL 4 (DP Dra) : NEIGHBORHOODS
|
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 |
|
12490+6607 |
DEL 4 |
|
221 |
0.3 |
|
Show |
|
12416+6546 |
LDS2657 |
|
54 |
9.9 |
50 |
Show |
|
12390+6553 |
GRV1080 |
|
121 |
19.3 |
61 |
Show |
|
12576+6532 |
LDS2661 |
|
51 |
7.2 |
63 |
Show |
|
12382+6628 |
LDS2656 |
|
257 |
69.3 |
69 |
Show |
|
12376+6623 |
MLR 152 |
|
309 |
0.2 |
72 |
Show |
|
12358+6550 |
LDS2652 |
|
23 |
3.2 |
82 |
Show |
|
12342+6627 |
LDS2651 |
|
5 |
158.3 |
92 |
Show |
|
12451+6438 |
HDS1786 |
AB |
240 |
0.4 |
93 |
Show |
|
12451+6438 |
GII 193 |
Aa,Ab |
104 |
0.2 |
93 |
Show |
|
12396+6440 |
STF1667 |
AB |
40 |
1.2 |
105 |
Show |
|
12396+6440 |
STF1667 |
AC |
262 |
46.4 |
105 |
Show |
|
12360+6458 |
LDS2653 |
|
250 |
25.6 |
107 |
Show |
|
13026+6725 |
CVR 677 |
|
158 |
10.5 |
113 |
Show |
|
12313+6700 |
LDS2649 |
|
261 |
120.6 |
119 |
Show |
|
12353+6740 |
CVR1451 |
|
133 |
3.2 |
124 |
Show |
|
13018+6746 |
MLR 153 |
AB |
236 |
1.6 |
125 |
Show |
|
13018+6746 |
GII 194 |
Aa,Ab |
112 |
0.2 |
125 |
Show |
|
12523+6403 |
SLW 787 |
|
301 |
35.4 |
126 |
Show |
|
12477+6357 |
LDS2659 |
|
188 |
8.3 |
129 |
Show |
|
13033+6749 |
TDS8668 |
|
290 |
0.7 |
133 |
Show |
|
12380+6804 |
LDS2655 |
|
48 |
50.4 |
135 |
Show |
|
13050+6436 |
HU 1258 |
|
115 |
0.2 |
136 |
Show |
|
13033+6759 |
CVR1483 |
|
24 |
4.9 |
140 |
Show |
|
12330+6752 |
TDS8430 |
|
159 |
1.2 |
142 |
Show |
|
13044+6800 |
LDS2664 |
|
333 |
12.5 |
146 |
Show |
|
13068+6429 |
DAM 29 |
|
194 |
306.8 |
149 |
Show |
|
12297+6743 |
LDS2645 |
|
174 |
3.6 |
149 |
Show |
|
12411+6831 |
STF1671 |
AB |
201 |
29.0 |
152 |
Show |
|
12411+6831 |
STF1671 |
AC |
153 |
38.4 |
152 |
Show |
|
12307+6756 |
LDS2647 |
|
306 |
1.9 |
153 |
Show |
|
12573+6839 |
KPP3261 |
|
132 |
1.0 |
160 |
Show |
|
12314+6810 |
LDS2650 |
|
17 |
3.9 |
160 |
Show |
|
13068+6813 |
TDS8694 |
|
49 |
0.7 |
163 |
Show |
|
12458+6320 |
NSN 53 |
|
144 |
15.0 |
168 |
Show |
|
12461+6320 |
LDS2658 |
|
144 |
15.0 |
168 |
Show |
|
13018+6337 |
JNN 83 |
Ba,Bb |
327 |
0.2 |
169 |
Show |
|
12307+6404 |
MLB 465 |
|
156 |
2.0 |
171 |
Show |
|
13018+6337 |
LDS2662 |
AB |
307 |
119.8 |
171 |
Show |
|
13018+6337 |
JNN 242 |
AC |
92 |
5.0 |
171 |
Show |
|
12317+6355 |
CBL 384 |
|
123 |
17.9 |
172 |
Show |
|
13088+6838 |
SKF2713 |
|
96 |
10.7 |
190 |
Show |
|
13089+6337 |
LDS2667 |
|
21 |
16.4 |
195 |
Show |
|
12311+6320 |
LDS2648 |
|
321 |
1.9 |
203 |
Show |
|
12445+6244 |
BVD 319 |
|
34 |
9.3 |
205 |
Show |
|
12582+6242 |
TDS8616 |
|
2 |
0.5 |
214 |
Show |
|
12297+6313 |
LDS2646 |
|
70 |
5.2 |
214 |
Show |
|
13079+6259 |
KPP3886 |
|
58 |
5.7 |
224 |
Show |
|
13051+6246 |
MLB 351 |
|
163 |
2.6 |
226 |
Show |
|
12359+6939 |
FMR 107 |
|
206 |
8.3 |
226 |
Show |
|
12554+6953 |
A 1092 |
|
169 |
0.3 |
230 |
|
|
WDS 12490+6607 : COMPONENTS
12490+6607 A
Componente originario normalizzato |
AB |
|
Name |
DP Dra |
|
Coord arcsec 2000 |
124902.75+660636.7 |
|
Mag |
6.8 |
|
Spectral class |
M3 (red) |
|
PmRA |
-438.00 |
|
PmDE |
-101.0 |
|
12490+6607 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
124902.74+660636.5 |
|
Mag |
6.8 |
|
Calc coord |
yes |
|