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Doubles in session


Current system
18242+4540
UC 240


Nearby doubles
20' : 18224+4545
A 700

62' : 18254+4440
BVD 262

62' : 18231+4439
COU1927

64' : 18188+4510
WOL 2

67' : 18197+4453
ES 2665AB

71' : 18182+4509
HDS2588

72' : 18284+4444
HDS2616

73' : 18264+4649
STT 352

74' : 18311+4527
HDS2626AB

75' : 18253+4653
BU 134

86' : 18316+4504
COU1929

89' : 18197+4654
TDS 916

89' : 18326+4534
UC 3604

92' : 18324+4510
ES 1261

92' : 18325+4513
ES 1262

99' : 18306+4429
COU1928

110' : 18328+4644
BRT1918

111' : 18274+4355
POP 134AB

111' : 18343+4511
ES 2668

115' : 18162+4423
ES 1421

116' : 18176+4409
RAO 386

116' : 18291+4356
MET 84

116' : 18193+4724
ES 1158

117' : 18297+4400
COU1789

117' : 18355+4546
LDS6329

124' : 18358+4524
UC 3622



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.

18242+4540 UC 240

 
 
18h 24m 11.43s +45° 39' 47.7" P.A. 314.00 sep 63.6 mag 8.91,11.40 Sp G5
 
 
Coord 2000 18242+4540 Discov num UC  240 Comp Coord arcsec 2000 18 24 11.43 +45 39 47.7
Date first 1894 Date last 2015 Obs 13
Pa first 315 Pa last 314.3 P.A. Now (θ) 314.3°
Sep first 63.7 Sep last 63.57 Sep. Now (ρ) 63.57"
Mag pri 8.91 Mag sec 11.40 delta mag (ΔM) 2.49 Spectral class G5 (yellow)
Pri motion ra +038 Sec motion ra +038
Pri motion dec +124 Sec motion dec +123
Notes T (Parallax indicates physical)
rPM=0.008 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 3526-02048-1 Gaia DR2 2121240027729268608
 
 
WDS 18242+4540 UC 240 : 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
18242+4540 UC 240 1999 1 314 63.6 8.91 11.75 V 182411.43+453947.7
18242+4540 UC 240 2003 5 315 63.6 8.91 11.75 VD 182411.43+453947.7
18242+4540 UC 240 2010 6 314 63.6 8.91 11.40 G5 V 182411.43+453947.7
18242+4540 UC 240 2015 7 314 63.6 8.91 11.40 G5 VW 182411.43+453947.7

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

 
 
WDS 18242+4540 UC 240 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18242+4540 UC 240 : MEASURES
 
 
No records found.

 
 
WDS 18242+4540 : VIRTUAL EYEPIECE
 
 

18242+4540 UC 240A mag 8.91 Sp G5 18242+4540 UC 240B sep 54.6 P.A. 324.40 mag 11.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18242+4540 : ALADIN DSS IMAGE @ 18h 24m 11.43s +45° 39' 47.7"
 
 
 
 
WDS 18242+4540 UC 240 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18242+4540 UC 240 distance=0' 18224+4545 A 700 distance=20' 18254+4440 BVD 262 distance=62' 18231+4439 COU1927 distance=62' 18188+4510 WOL 2 distance=64' 18197+4453 ES 2665AB distance=67' 18197+4453 WAL 90AC distance=67' 18182+4509 HDS2588 distance=71' 18284+4444 HDS2616 distance=72' 18264+4649 STT 352 distance=73' 18311+4527 HDS2626AB distance=74' 18311+4527 GII 267Aa,Ab distance=74' 18253+4653 BU 134 distance=75' 18316+4504 COU1929 distance=86' 18197+4654 TDS 916 distance=89' 18326+4534 UC 3604 distance=89' 18324+4510 ES 1261 distance=92' 18325+4513 ES 1262 distance=92' 18306+4429 COU1928 distance=99' 18328+4644 BRT1918 distance=110' 18274+4355 POP 134CD distance=110' 18274+4355 POP 134AB distance=111' 18274+4355 POP 134AC distance=111' 18343+4511 ES 2668 distance=111' 18162+4423 ES 1421 distance=115' 18176+4409 RAO 386 distance=116' 18291+4356 KPP3330AC distance=116' 18291+4356 MET 84 distance=116' 18193+4724 ES 1158 distance=116' 18297+4400 COU1789 distance=117' 18355+4546 LDS6329 distance=117' 18358+4524 UC 3622 distance=124' 18156+4417 ES 1420AB distance=124' 18156+4417 ES 1420AC distance=124' 18180+4351 UC 3549 distance=128' 18173+4355 A 577 distance=128' 18178+4351 A 578Aa,Ab distance=129' 18178+4351 A 578AB distance=129' 18326+4403 TDS 927 distance=132' 18264+4326 HDS2606 distance=136' 18373+4551 KPP4113 distance=138' 18161+4729 COU2120 distance=138' 18179+4743 TDT 780 distance=139' 18258+4321 BRT1917 distance=141' 18294+4328 GCB 32 distance=142' 18121+4644 COU2118 distance=142' 18181+4334 A 579 distance=142' 18192+4754 UC 3553 distance=144' 18103+4521 LDS4777 distance=148' 18301+4325 J 763 distance=148' 18388+4540 KPP 558 distance=154' 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 18242+4540 UC 240 314 63.6
Show 18224+4545 A 700 128 0.6 20
Show 18254+4440 BVD 262 327 15.6 62
Show 18231+4439 COU1927 27 1.1 62
Show 18188+4510 WOL 2 183 1.3 64
Show 18197+4453 ES 2665 AB 21 9.9 67
Show 18197+4453 WAL 90 AC 334 77.1 67
Show 18182+4509 HDS2588 31 0.4 71
Show 18284+4444 HDS2616 62 0.1 72
Show 18264+4649 STT 352 221 24.2 73
Show 18311+4527 HDS2626 AB 173 0.4 74
Show 18311+4527 GII 267 Aa,Ab 117 0.1 74
Show 18253+4653 BU 134 125 1.1 75
Show 18316+4504 COU1929 165 1.8 86
Show 18197+4654 TDS 916 201 0.9 89
Show 18326+4534 UC 3604 156 64.6 89
Show 18324+4510 ES 1261 209 7.6 92
Show 18325+4513 ES 1262 258 1.5 92
Show 18306+4429 COU1928 263 0.5 99
Show 18328+4644 BRT1918 190 4.2 110
Show 18274+4355 POP 134 CD 250 4.6 110
Show 18274+4355 POP 134 AB 62 7.7 111
Show 18274+4355 POP 134 AC 285 66.8 111
Show 18343+4511 ES 2668 226 12.3 111
Show 18162+4423 ES 1421 345 11.8 115
Show 18176+4409 RAO 386 228 0.4 116
Show 18291+4356 KPP3330 AC 242 20.2 116
Show 18291+4356 MET 84 40 10.1 116
Show 18193+4724 ES 1158 197 4.9 116
Show 18297+4400 COU1789 275 0.4 117
Show 18355+4546 LDS6329 56 112.1 117
Show 18358+4524 UC 3622 74 31.8 124
Show 18156+4417 ES 1420 AB 66 8.3 124
Show 18156+4417 ES 1420 AC 9 14.6 124
Show 18180+4351 UC 3549 159 20.7 128
Show 18173+4355 A 577 304 0.7 128
Show 18178+4351 A 578 Aa,Ab 244 0.3 129
Show 18178+4351 A 578 AB 167 1.8 129
Show 18326+4403 TDS 927 299 1.1 132
Show 18264+4326 HDS2606 49 1.0 136
Show 18373+4551 KPP4113 81 1.7 138
Show 18161+4729 COU2120 107 3.2 138
Show 18179+4743 TDT 780 165 0.5 139
Show 18258+4321 BRT1917 53 3.6 141
Show 18294+4328 GCB 32 76 5.5 142
Show 18121+4644 COU2118 274 0.1 142
Show 18181+4334 A 579 340 1.5 142
Show 18192+4754 UC 3553 99 15.8 144
Show 18103+4521 LDS4777 60 56.3 148
Show 18301+4325 J 763 310 1.9 148
Show 18388+4540 KPP 558 98 5.2 154

 
 
WDS 18242+4540 : COMPONENTS
 
 
  A
B pa=324.4°
sep=54.61"
 
 
18242+4540 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182411.43+453947.7 Mag 8.91 Spectral class G5 (yellow)
PmRA 38.00 PmDE 124.0 Tycho2 3526-02048-1
Tycho2
Tycho2 3526-02048-1 Pflag RAmdeg 276.04760410 DEmdeg 45.66325451
PmRA 38.3 PmDE 124.0 E RAmdeg 12 E DEmdeg 11
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.06 EpDEm 1990.34
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.7
Q pmDE 1.3 BTmag 9.717 E BTmag 0.024 VTmag 8.912
E VTmag 0.017 Prox 636 TYC T HIP
CCDM RAdeg 276.04747583 DEdeg 45.66296611 EpRA 1990 1.57
EpDE 1990 1.64 E RAdeg 11.8 E DEdeg 11.2 Posflg
Corr 0.0
 
 
18242+4540 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182408.40+454032.1 Mag 11.4 PmRA 38.00
PmDE 123.0 Tycho2 3526-02086-1 Calc delta mag 2.49 Calc coord yes
Tycho2
Tycho2 3526-02086-1 Pflag RAmdeg 276.02960270 DEmdeg 45.67564603
PmRA 40.7 PmDE 124.1 E RAmdeg 93 E DEmdeg 86
E pmRA 2.2 E pmDE 2.0 EpRAm 1965.19 EpDEm 1965.00
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.3 Q pmRA 0.5
Q pmDE 1.2 BTmag 12.870 E BTmag 0.313 VTmag 11.754
E VTmag 0.176 Prox 636 TYC HIP
CCDM RAdeg 276.02946611 DEdeg 45.67535833 EpRA 1990 1.57
EpDE 1990 1.65 E RAdeg 108.7 E DEdeg 101.2 Posflg
Corr 0.1