12309+2555 LAS 7
12h 30m 54.91s +25° 55' 10.4" P.A. 231.00 sep 10.3 mag 16.57,16.86 Sp M3V+M3V
Coord 2000 |
12309+2555 |
|
Discov num |
LAS 7 |
|
Comp |
|
|
Coord arcsec 2000 |
12 30 54.91 +25 55 10.4 |
|
Date first |
1955 |
|
Date last |
2016 |
|
Obs |
15 |
|
Pa first |
231 |
|
Pa last |
231.3 |
|
P.A. Now (θ) |
231.3° |
|
Sep first |
10.2 |
|
Sep last |
10.255 |
|
Sep. Now (ρ) |
10.255" |
|
Mag pri |
16.57 |
|
Mag sec |
16.86 |
|
delta mag (ΔM) |
0.29 |
|
Spectral class |
M3V+M3V (red/red) |
|
Pri motion ra |
-047 |
|
Sec motion ra |
-046 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
-021 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.082 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
Gaia DR2 |
3960669517244000384 |
|
WDS 12309+2555 LAS 7 : NOTES
discov_num |
notes |
refcode |
LAS 7 |
Lasgoity (2014) determines that the two components of the pair in the |
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region of the Coma Berenice star cluster share common proper motion. |
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|
He derives spectral types of M3V for both components, and estimates |
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distance, mass, and radius for both stars. |
Las2014a |
REFERENCES
refcode |
metd |
author |
reference |
Las2014a |
E+ j |
Krawczenko, C.A. |
2014OED....12...49L |
Las2014a |
+C |
El Observador de Estrellas Dobles, Issue #12, 49, 2014 |
|
Las2014a |
+P |
|
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
12309+2555 |
LAS 7 |
|
2005 |
6 |
231 |
10.3 |
16.57 |
16.86 |
M3V M3V |
NV |
123054.91+255510.4 |
12309+2555 |
LAS 7 |
|
2010 |
8 |
231 |
9.5 |
16.57 |
16.86 |
M3V+M3V |
NV |
123054.91+255510.4 |
12309+2555 |
LAS 7 |
|
2015 |
9 |
231 |
10.3 |
16.57 |
16.86 |
M3V+M3V |
NV |
123054.91+255510.4 |
12309+2555 |
LAS 7 |
|
2016 |
15 |
231 |
10.3 |
16.57 |
16.86 |
M3V+M3V |
NV |
123054.91+255510.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 12309+2555 LAS 7 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 12309+2555 LAS 7 : MEASURES
No records found.
WDS 12309+2555 : 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 12309+2555 : ALADIN DSS IMAGE @ 12h 30m 54.91s +25° 55' 10.4"
WDS 12309+2555 LAS 7 : 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 |
|
12309+2555 |
LAS 7 |
|
231 |
10.3 |
|
Show |
|
12313+2556 |
AZC 75 |
|
222 |
11.9 |
5 |
Show |
|
12311+2621 |
GUR 31 |
|
22 |
2.2 |
26 |
Show |
|
12289+2555 |
STFA 21 |
AB |
251 |
146.4 |
28 |
Show |
|
12289+2555 |
SLE 898 |
AE |
270 |
447.4 |
28 |
Show |
|
12289+2555 |
SLE 898 |
AF |
145 |
125.5 |
28 |
Show |
|
12289+2555 |
BU 1080 |
AD |
270 |
324.0 |
28 |
Show |
|
12339+2603 |
SLE 900 |
AB |
337 |
15.8 |
29 |
Show |
|
12339+2603 |
SLE 900 |
AC |
270 |
25.5 |
29 |
Show |
|
12289+2555 |
BU 1080 |
BC |
180 |
1.4 |
30 |
Show |
|
12289+2555 |
BU 1080 |
BD |
284 |
192.9 |
30 |
Show |
|
12331+2600 |
CVR1446 |
|
351 |
3.5 |
31 |
Show |
|
12332+2606 |
LDS3050 |
|
357 |
37.7 |
32 |
Show |
|
12279+2556 |
SDK 79 |
|
43 |
2.4 |
42 |
Show |
|
12311+2641 |
LDS4223 |
|
271 |
21.7 |
46 |
Show |
|
12347+2549 |
LAS 8 |
|
165 |
7.6 |
52 |
Show |
|
12271+2603 |
CVR1434 |
|
336 |
5.0 |
53 |
Show |
|
12348+2608 |
SLW 737 |
|
338 |
145.9 |
54 |
Show |
|
12351+2547 |
LAS 9 |
|
271 |
9.3 |
58 |
Show |
|
12268+2609 |
SLE 897 |
AB |
126 |
13.7 |
58 |
Show |
|
12268+2609 |
UC 2339 |
AC |
263 |
39.3 |
58 |
Show |
|
12266+2611 |
SLW 721 |
|
213 |
168.2 |
60 |
Show |
|
12282+2502 |
TOK 912 |
|
118 |
0.0 |
65 |
Show |
|
12317+2701 |
STF1651 |
|
215 |
7.0 |
67 |
Show |
|
12340+2650 |
COU 595 |
|
182 |
1.0 |
69 |
Show |
|
12264+2630 |
CVR1431 |
|
151 |
3.0 |
71 |
Show |
|
12341+2453 |
SDK 95 |
AB |
343 |
5.4 |
76 |
Show |
|
12341+2453 |
SKF1480 |
AC |
126 |
2.3 |
76 |
Show |
|
12268+2650 |
LDS1308 |
AB |
215 |
51.8 |
78 |
Show |
|
12339+2448 |
UC 2358 |
|
258 |
41.7 |
78 |
Show |
|
12315+2437 |
STF1650 |
|
178 |
16.6 |
79 |
Show |
|
12271+2655 |
UC 2341 |
|
356 |
30.4 |
79 |
Show |
|
12261+2645 |
GUR 30 |
|
166 |
1.1 |
82 |
Show |
|
12272+2701 |
STF1643 |
AB |
3 |
2.8 |
83 |
Show |
|
12272+2701 |
LEP 54 |
AC |
261 |
221.4 |
83 |
Show |
|
12251+2530 |
SLW 719 |
|
295 |
9.6 |
84 |
Show |
|
12346+2447 |
SKF1850 |
|
189 |
9.5 |
85 |
Show |
|
12282+2712 |
CVR1437 |
|
313 |
3.4 |
85 |
Show |
|
12358+2650 |
LDS4232 |
|
57 |
3.4 |
85 |
Show |
|
12250+2520 |
SLE 894 |
|
160 |
11.8 |
87 |
Show |
|
12371+2626 |
LDS4236 |
|
62 |
36.1 |
89 |
Show |
|
12244+2535 |
STF1639 |
AB |
324 |
1.9 |
90 |
Show |
|
12244+2535 |
STF1639 |
AC |
159 |
91.4 |
90 |
Show |
|
12243+2606 |
YSC 97 |
|
228 |
0.2 |
90 |
Show |
|
12258+2658 |
SLE 896 |
|
144 |
19.4 |
93 |
Show |
|
12251+2647 |
LNV 9 |
|
7 |
3.5 |
94 |
Show |
|
12305+2732 |
COU 594 |
|
133 |
2.8 |
98 |
Show |
|
12254+2700 |
SLE 895 |
|
39 |
20.9 |
99 |
Show |
|
12326+2414 |
SKF1015 |
|
302 |
28.0 |
104 |
Show |
|
12375+2457 |
KPP1714 |
|
106 |
13.2 |
107 |
Show |
|
12349+2727 |
YSC 99 |
AB |
277 |
0.4 |
107 |
|
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WDS 12309+2555 : COMPONENTS
12309+2555 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
123054.91+255510.4 |
|
Mag |
16.57 |
|
Spectral class |
M3V (red) |
|
PmRA |
-47.00 |
|
PmDE |
-17.0 |
|
12309+2555 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
123054.38+255504.0 |
|
Mag |
16.86 |
|
Spectral class |
M3V (red) |
|
PmRA |
-46.00 |
|
PmDE |
-21.0 |
|
Calc delta mag |
0.29 |
|
Calc coord |
yes |
|