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Doubles in session


Current system
12494+4023
UC 2409 AC


Nearby doubles
14' : 12505+4021
LDS4281

33' : 12520+4011
ES 1404

41' : 12469+4052
LDS4266

46' : 12481+3940
TDS8528

46' : 12465+4054
HDS1792

52' : 12528+3949
ES 1405AB

58' : 12542+4008
UC 2425

65' : 12512+3921
SKF2655

66' : 12437+4015
ES 1403AB

68' : 12548+4049
JNN 81

69' : 12468+4125
HJ 2620

70' : 12433+4015
SKF2654

73' : 12543+4108
HJL1075

74' : 12430+4008
COU1425

75' : 12548+4105
KPP1796

86' : 12568+4029
SKF2656

87' : 12430+4109
SKF2653

90' : 12568+3956
CVR1479

97' : 12504+3847
HU 1139

99' : 12416+4105
LDS5757

101' : 12406+4017
HJ 2617AB

104' : 12584+4033
HDS1819

106' : 12586+4013
RDN 2

111' : 12491+4213
ES 2643

112' : 12397+4028
ES 1402AB

113' : 12523+3836
NI 30AB



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.

12494+4023 UC 2409 AC

 
 
12h 49m 21.86s +40° 22' 33.7" P.A. 185.00 sep 17.1 mag 15.40,15.40
 
 
Coord 2000 12494+4023 Discov num UC 2409 Comp AC Coord arcsec 2000 12 49 21.86 +40 22 33.7
Date first 1957 Date last 2019 Obs 17
Pa first 186 Pa last 184.7 P.A. Now (θ) 184.7°
Sep first 18.6 Sep last 17.138 Sep. Now (ρ) 17.138"
Mag pri 15.40 Mag sec 15.40 delta mag (ΔM) 0 Spectral class
Pri motion ra -073 Sec motion ra -060
Pri motion dec +024 Sec motion dec +035
Notes S W V (Parallax indidates non-physical, , Proper motion indicates physical)
rPM=0.222 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Canes Venatici
 
 
WDS 12494+4023 UC 2409 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
UC USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) ...................
UC_2013a Eu j Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., 2013AJ....145...44Z
UC_2013a & Zacharias, M.I. (UCAC4 Catalog)
UC_2013a AJ 145, 44, 2013
UC_2013b Eu j Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D. 2013AJ....146...76H
UC_2013b AJ 146, 76, 2013 (UC 301 - 5058)
UC_2013b (Relative astrometry is derived from individual measurements, not precessed means.
UC_2013b UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended
UC_2013b image (a flag value of 30 or higher). Model fit magnitudes are given for both
UC_2013b components if either has such a flag. Model fit magnitudes are indicated by the
UC_2013b letter "f" following the filter information.
UC_2013b APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012.
UC_2013b Due to aperture method used, APASS photometry is only included for pairs wider
UC_2013b than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed
UC_2013b identical values for both components in all filters were removed, as well.
UC_2015 Eu - Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., 2015AJ....150..101Z
UC_2015 DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC_2015 Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.
UC_2015 AJ 150, 101, 2015
UC_9999 Eu - temporary UCAC files ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12494+4023 UC 2409 AC 2019 17 185 17.1 15.40 15.40 SWV 124921.86+402233.7

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

 
 
WDS 12494+4023 UC 2409 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12494+4023 UC 2409 AC : MEASURES
 
 
No records found.

 
 
WDS 12494+4023 : VIRTUAL EYEPIECE
 
 

12494+4023 UC 2409A mag 15.4 12494+4023 UC 2409C sep 17.1 P.A. 183.60 mag 15.4 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 12494+4023 : ALADIN DSS IMAGE @ 12h 49m 21.86s +40° 22' 33.7"
 
 
 
 
WDS 12494+4023 UC 2409 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12494+4023 UC 2409AC distance=0' 12505+4021 LDS4281 distance=14' 12520+4011 ES 1404 distance=33' 12469+4052 LDS4266 distance=41' 12481+3940 TDS8528 distance=46' 12465+4054 HDS1792 distance=46' 12528+3949 ES 1405BC distance=51' 12528+3949 ES 1405AB distance=52' 12542+4008 UC 2425 distance=58' 12512+3921 SKF2655 distance=65' 12437+4015 ES 1403AB distance=66' 12437+4015 LNA 3Aa,Ab distance=66' 12548+4049 JNN 81 distance=68' 12468+4125 HJ 2620 distance=69' 12433+4015 SKF2654 distance=70' 12543+4108 HJL1075 distance=73' 12430+4008 COU1425 distance=74' 12548+4105 KPP1796 distance=75' 12568+4029 SKF2656 distance=86' 12430+4109 SKF2653 distance=87' 12568+3956 CVR1479 distance=90' 12504+3847 HU 1139 distance=97' 12416+4105 LDS5757 distance=99' 12406+4017 HJ 2617AB distance=101' 12406+4017 HJ 2617AC distance=101' 12406+4017 BKO 114AD distance=101' 12584+4033 HDS1819 distance=104' 12586+4013 RDN 2 distance=106' 12491+4213 ES 2643 distance=111' 12397+4028 ES 1402AB distance=112' 12397+4028 LNA 2Aa,Ab distance=112' 12523+3836 NI 30AB distance=113' 12523+3836 SKF1029AC distance=113' 12400+4102 SMH 17 distance=114' 12428+4154 BWL 34 distance=118' 12526+3830 SLW 789 distance=119' 12473+3811 SKF2596 distance=134' 12582+4153 LDS5766 distance=135' 12584+4156 DAM 712AB distance=139' 12584+4156 SKF2657AC distance=139' 13012+4057 LEP 136 distance=140' 12388+4138 COU1908 distance=142' 12560+3819 STF1692AB (Cor Caroli) distance=146' 12560+3819 TOK 562BC distance=146' 12550+4236 ES 2644AB distance=149' 12550+4236 COU1580Ba,Bb distance=149' 12571+4223 STF1697 distance=150' 12367+4105 SKF2650 distance=150' 12533+4246 COU1579 distance=151' 12521+3755 SLW 786 distance=151' 12536+3758 STF1688AB distance=153' 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 12494+4023 UC 2409 AC 185 17.1
Show 12505+4021 LDS4281 112 101.5 14
Show 12520+4011 ES 1404 30 2.9 33
Show 12469+4052 LDS4266 94 2.8 41
Show 12481+3940 TDS8528 298 1.0 46
Show 12465+4054 HDS1792 106 0.3 46
Show 12528+3949 ES 1405 BC 252 4.3 51
Show 12528+3949 ES 1405 AB 283 66.5 52
Show 12542+4008 UC 2425 328 93.6 58
Show 12512+3921 SKF2655 144 6.4 65
Show 12437+4015 ES 1403 AB 215 2.9 66
Show 12437+4015 LNA 3 Aa,Ab 55 0.2 66
Show 12548+4049 JNN 81 33 0.6 68
Show 12468+4125 HJ 2620 293 14.4 69
Show 12433+4015 SKF2654 253 64.6 70
Show 12543+4108 HJL1075 106 119.5 73
Show 12430+4008 COU1425 355 0.8 74
Show 12548+4105 KPP1796 238 13.9 75
Show 12568+4029 SKF2656 113 16.7 86
Show 12430+4109 SKF2653 259 17.7 87
Show 12568+3956 CVR1479 213 3.2 90
Show 12504+3847 HU 1139 286 4.8 97
Show 12416+4105 LDS5757 150 150.3 99
Show 12406+4017 HJ 2617 AB 2 5.7 101
Show 12406+4017 HJ 2617 AC 176 168.7 101
Show 12406+4017 BKO 114 AD 343 43.1 101
Show 12584+4033 HDS1819 195 0.2 104
Show 12586+4013 RDN 2 33 63.4 106
Show 12491+4213 ES 2643 45 45.1 111
Show 12397+4028 ES 1402 AB 27 3.6 112
Show 12397+4028 LNA 2 Aa,Ab 47 0.2 112
Show 12523+3836 NI 30 AB 159 10.7 113
Show 12523+3836 SKF1029 AC 221 2.8 113
Show 12400+4102 SMH 17 210 12.1 114
Show 12428+4154 BWL 34 32 12.3 118
Show 12526+3830 SLW 789 294 116.5 119
Show 12473+3811 SKF2596 100 6.6 134
Show 12582+4153 LDS5766 152 29.1 135
Show 12584+4156 DAM 712 AB 35 4.9 139
Show 12584+4156 SKF2657 AC 136 23.9 139
Show 13012+4057 LEP 136 215 4.8 140
Show 12388+4138 COU1908 77 2.6 142
Show Cor Caroli 12560+3819 STF1692 AB 230 19.3 146
Show 12560+3819 TOK 562 BC 205 999.9 146
Show 12550+4236 ES 2644 AB 75 39.7 149
Show 12550+4236 COU1580 Ba,Bb 109 0.4 149
Show 12571+4223 STF1697 217 28.3 150
Show 12367+4105 SKF2650 205 12.1 150
Show 12533+4246 COU1579 141 0.3 151
Show 12521+3755 SLW 786 207 16.7 151
Show 12536+3758 STF1688 AB 344 14.1 153

 
 
WDS 12494+4023 : COMPONENTS
 
 
  A
C pa=183.6°
sep=17.11"
 
 
12494+4023 A
 
 
Coord arcsec 2000 124921.86+402233.7 Mag 15.4 PmRA -73.00 PmDE 24.0
 
 
12494+4023 C
 
 
Coord arcsec 2000 124921.77+402216.6 Mag 15.4 PmRA -60.00 PmDE 35.0
Calc coord yes