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Current system
12492+5055
ES 730


Nearby doubles
29' : 12463+5105
WIS 205

35' : 12526+5103
COU2189

39' : 12508+5022
TDS8554

46' : 12458+5129
DAM2484

50' : 12544+5058
SLW 793

51' : 12524+5017
COU2188

55' : 12496+5151
LDS3061

68' : 12442+5146
RDR 5

69' : 12420+5107
ES 728

74' : 12460+4949
STF1679AB

78' : 12412+5038
CBL 392

83' : 12439+4950
BEM 1

86' : 12407+5030
SLW 754

92' : 12437+4942
TDS8505

102' : 12417+4945
CVR 662

107' : 12591+5008
KPP1873

108' : 13001+5027
LEP 135

108' : 12579+4948
HU 641

112' : 12586+4951
HEI 163

113' : 12421+5227
LDS3055

117' : 12473+5252
HDS1794

124' : 12542+5250
BEM 2

127' : 12397+5228
TDS8475

136' : 12586+4916
BVD 225

140' : 12585+5246
SLW 802

140' : 13012+4938
OSW 54



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12492+5055 ES 730

 
 
12h 49m 10.79s +50° 56' 53.1" P.A. 63.00 sep 3.6 mag 9.10,10.50
 
 
Coord 2000 12492+5055 Discov num ES  730 Comp Coord arcsec 2000 12 49 10.79 +50 56 53.1
Date first 1909 Date last 2019 Obs 13
Pa first 65 Pa last 63.3 P.A. Now (θ) 63.3°
Sep first 3.4 Sep last 3.552 Sep. Now (ρ) 3.552"
Mag pri 9.10 Mag sec 10.50 delta mag (ΔM) 1.4 Spectral class
Pri motion ra +018 Sec motion ra +019
Pri motion dec -020 Sec motion dec -019
Notes V (Proper motion indicates physical)
rPM=0.053 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Canes Venatici Tycho2 3461-02038-1 Gaia DR2 1567948734201725440
 
 
WDS 12492+5055 ES 730 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12492+5055 ES 730 2001 4 65 3.6 9.10 10.50 124910.79+505653.1
12492+5055 ES 730 2013 5 65 3.4 9.10 10.50 124910.79+505653.1
12492+5055 ES 730 2015 6 64 3.6 9.10 10.50 124910.79+505653.1
12492+5055 ES 730 2019 12 63 3.6 9.10 10.50 V 124910.79+505653.1

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 12492+5055 ES 730 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12492+5055 ES 730 : MEASURES
 
 
No records found.

 
 
WDS 12492+5055 : VIRTUAL EYEPIECE
 
 

12492+5055 ES 730A mag 9.1 12492+5055 ES 730B sep 2.6 P.A. 51.40 mag 10.5 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12492+5055 : ALADIN DSS IMAGE @ 12h 49m 10.79s +50° 56' 53.1"
 
 
 
 
WDS 12492+5055 ES 730 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12492+5055 ES 730 distance=0' 12463+5105 WIS 205 distance=29' 12526+5103 COU2189 distance=35' 12508+5022 TDS8554 distance=39' 12458+5129 DAM2484 distance=46' 12544+5058 SLW 793 distance=50' 12524+5017 COU2188 distance=51' 12496+5151 LDS3061 distance=55' 12442+5146 RDR 5 distance=68' 12420+5107 ES 728 distance=69' 12460+4949 STF1679AB distance=74' 12460+4949 STF1679AC distance=74' 12412+5038 CBL 392 distance=78' 12439+4950 BEM 1 distance=83' 12407+5030 SLW 754 distance=86' 12437+4942 TDS8505 distance=92' 12417+4945 CVR 662 distance=102' 12591+5008 KPP1873 distance=107' 13001+5027 LEP 135 distance=108' 12579+4948 HU 641 distance=108' 12586+4951 HEI 163 distance=112' 12421+5227 LDS3055 distance=113' 12473+5252 HDS1794 distance=117' 12542+5250 BEM 2 distance=124' 12417+5543 SHY 236BE distance=127' 12397+5228 TDS8475 distance=127' 12586+4916 BVD 225 distance=136' 12585+5246 SLW 802 distance=140' 13012+4938 OSW 54 distance=140' 12560+5305 TDS8595 distance=143' 13043+5138 TDS8676AB distance=148' 13050+5041 LDS3070 distance=151' 12384+4906 TDS8466 distance=152' 12524+4828 UC 2418 distance=152' 12595+4901 BEM 3 distance=154' 13055+5059 HU 643AB distance=155' 13055+5059 STF1718AB,C distance=155' 13008+4908 CVR 676 distance=157' 12523+4822 YSC 100 distance=159' 13041+5227 MLR 704 distance=168' 12334+5228 LDS3051 distance=172' 13054+5226 SLW 820 distance=175' 13069+5200 A 1605 distance=178' 12416+4814 LDS4251 distance=179' 12439+5349 ES 729 distance=179' 12519+5354 CVR1474 distance=179' 12303+5023 LDS3047 distance=183' 13083+5130 CVR 681 distance=184' 12300+5132 BUP 143AB distance=184' 12300+5132 BUP 143AC distance=184' 12300+5132 LEP 56AD distance=184' grafico limitrofi
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 12492+5055 ES 730 63 3.6
Show 12463+5105 WIS 205 173 999.9 29
Show 12526+5103 COU2189 100 0.9 35
Show 12508+5022 TDS8554 34 0.4 39
Show 12458+5129 DAM2484 342 2.3 46
Show 12544+5058 SLW 793 128 32.9 50
Show 12524+5017 COU2188 46 0.3 51
Show 12496+5151 LDS3061 4 141.0 55
Show 12442+5146 RDR 5 281 2.3 68
Show 12420+5107 ES 728 332 6.3 69
Show 12460+4949 STF1679 AB 208 5.9 74
Show 12460+4949 STF1679 AC 37 69.1 74
Show 12412+5038 CBL 392 138 13.1 78
Show 12439+4950 BEM 1 204 9.6 83
Show 12407+5030 SLW 754 10 75.2 86
Show 12437+4942 TDS8505 175 0.5 92
Show 12417+4945 CVR 662 53 14.7 102
Show 12591+5008 KPP1873 260 14.6 107
Show 13001+5027 LEP 135 63 4.6 108
Show 12579+4948 HU 641 300 0.1 108
Show 12586+4951 HEI 163 234 1.0 112
Show 12421+5227 LDS3055 8 13.8 113
Show 12473+5252 HDS1794 182 0.2 117
Show 12542+5250 BEM 2 271 4.9 124
Show 12417+5543 SHY 236 BE 350 999.9 127
Show 12397+5228 TDS8475 195 0.6 127
Show 12586+4916 BVD 225 143 20.4 136
Show 12585+5246 SLW 802 101 23.3 140
Show 13012+4938 OSW 54 51 83.0 140
Show 12560+5305 TDS8595 225 0.6 143
Show 13043+5138 TDS8676 AB 312 0.4 148
Show 13050+5041 LDS3070 315 2.0 151
Show 12384+4906 TDS8466 183 0.5 152
Show 12524+4828 UC 2418 268 44.0 152
Show 12595+4901 BEM 3 205 18.1 154
Show 13055+5059 HU 643 AB 332 0.2 155
Show 13055+5059 STF1718 AB,C 272 13.1 155
Show 13008+4908 CVR 676 246 14.8 157
Show 12523+4822 YSC 100 145 0.3 159
Show 13041+5227 MLR 704 38 0.4 168
Show 12334+5228 LDS3051 357 17.9 172
Show 13054+5226 SLW 820 246 77.7 175
Show 13069+5200 A 1605 349 1.1 178
Show 12416+4814 LDS4251 169 19.8 179
Show 12439+5349 ES 729 227 8.8 179
Show 12519+5354 CVR1474 295 4.0 179
Show 12303+5023 LDS3047 190 96.8 183
Show 13083+5130 CVR 681 357 8.9 184
Show 12300+5132 BUP 143 AB 157 120.6 184
Show 12300+5132 BUP 143 AC 333 217.5 184
Show 12300+5132 LEP 56 AD 182 587.7 184

 
 
WDS 12492+5055 : COMPONENTS
 
 
  A
B pa=51.4°
sep=2.56"
 
 
12492+5055 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 124910.79+505653.1 Mag 9.1 PmRA 18.00
PmDE -20.0
 
 
12492+5055 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 124911.00+505654.7 Mag 10.5 PmRA 19.00
PmDE -19.0 Tycho2 3461-02038-1 Calc delta mag 1.4 Calc coord yes
Tycho2
Tycho2 3461-02038-1 Pflag RAmdeg 192.29498624 DEmdeg 50.94804965
PmRA -10.1 PmDE -30.7 E RAmdeg 22 E DEmdeg 22
E pmRA 3.0 E pmDE 2.9 EpRAm 1989.44 EpDEm 1989.18
Num 3 Q RAmdeg 9.9 Q DEmdeg 7.0 Q pmRA 9.9
Q pmDE 6.8 BTmag 11.475 E BTmag 0.053 VTmag 10.479
E VTmag 0.033 Prox 999 TYC T HIP
CCDM RAdeg 192.29497083 DEdeg 50.94809972 EpRA 1990 1.72
EpDE 1990 1.64 E RAdeg 25.3 E DEdeg 25.5 Posflg
Corr -0.1