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
region of the Coma Berenice star cluster share common proper motion.
He derives spectral types of M3V for both components, and estimates
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
 
 

12309+2555 LAS   7A mag 16.57 Sp M3V 12309+2555 LAS   7B sep 9.6 P.A. 228.30 mag 16.86 Sp M3V virtual eyepiece
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Radius:
Components only
 
 
WDS 12309+2555 : ALADIN DSS IMAGE @ 12h 30m 54.91s +25° 55' 10.4"
 
 
 
 
WDS 12309+2555 LAS 7 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


12309+2555  LAS   7 distance=0' 12313+2556  AZC  75 distance=5' 12311+2621  GUR  31 distance=26' 12289+2555  STFA 21AB distance=28' 12289+2555  SLE 898AE distance=28' 12289+2555  SLE 898AF distance=28' 12289+2555  BU 1080AD distance=28' 12339+2603  SLE 900AB distance=29' 12339+2603  SLE 900AC distance=29' 12289+2555  BU 1080BC distance=30' 12289+2555  BU 1080BD distance=30' 12331+2600  CVR1446 distance=31' 12332+2606  LDS3050 distance=32' 12279+2556  SDK  79 distance=42' 12311+2641  LDS4223 distance=46' 12347+2549  LAS   8 distance=52' 12271+2603  CVR1434 distance=53' 12348+2608  SLW 737 distance=54' 12351+2547  LAS   9 distance=58' 12268+2609  SLE 897AB distance=58' 12268+2609  UC 2339AC distance=58' 12266+2611  SLW 721 distance=60' 12282+2502  TOK 912 distance=65' 12317+2701  STF1651 distance=67' 12340+2650  COU 595 distance=69' 12264+2630  CVR1431 distance=71' 12341+2453  SDK  95AB distance=76' 12341+2453  SKF1480AC distance=76' 12268+2650  LDS1308AB distance=78' 12339+2448  UC 2358 distance=78' 12315+2437  STF1650 distance=79' 12271+2655  UC 2341 distance=79' 12261+2645  GUR  30 distance=82' 12272+2701  STF1643AB distance=83' 12272+2701  LEP  54AC distance=83' 12251+2530  SLW 719 distance=84' 12346+2447  SKF1850 distance=85' 12282+2712  CVR1437 distance=85' 12358+2650  LDS4232 distance=85' 12250+2520  SLE 894 distance=87' 12371+2626  LDS4236 distance=89' 12244+2535  STF1639AB distance=90' 12244+2535  STF1639AC distance=90' 12243+2606  YSC  97 distance=90' 12258+2658  SLE 896 distance=93' 12251+2647  LNV   9 distance=94' 12305+2732  COU 594 distance=98' 12254+2700  SLE 895 distance=99' 12326+2414  SKF1015 distance=104' 12375+2457  KPP1714 distance=107' 12349+2727  YSC  99AB distance=107' grafico limitrofi
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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

 
 
WDS 12309+2555 : COMPONENTS
 
 
  A
B pa=228.3°
sep=9.64"
 
 
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