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Doubles in session


Current system
11578+4518
A 1778
HD 103888


Nearby doubles
24' : 11561+4533
STF1581

27' : 11579+4544
SKF2640

42' : 11596+4555
TDS8152

49' : 12009+4554
CVR1396

51' : 11530+4513
CBL 362

57' : 11578+4614
KZA 20

66' : 11546+4615
KZA 19AB

69' : 11513+4516
WIS 193AB

70' : 11586+4626
CFN 8

72' : 11517+4449
HJ 842

77' : 11551+4629
A 1777AB

78' : 11525+4612
KZA 18AB

79' : 12026+4418
BVD 221

81' : 11596+4636
ES 2639

95' : 12068+4514
COU1576AB

97' : 12010+4347
A 1779

98' : 11579+4655
KZA 21AB

100' : 12068+4450
WSI 116AB

101' : 11512+4405
STF1574

105' : 12006+4337
STF1589

108' : 11479+4541
HJ 1198

108' : 12044+4356
TDS8204

111' : 12016+4731
KZA 24AB

112' : 12032+4653
TDS8194AB

112' : 11585+4709
KZA 22

115' : 11528+4336
A 1776AB



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

11578+4518 A 1778 (HD 103888)

 
 
11h 57m 48.49s +45° 17' 32.4" P.A. 223.00 sep 3.2 mag 9.60,11.80 Sp G5
 
 
Coord 2000 11578+4518 Discov num A  1778 Comp Coord arcsec 2000 11 57 48.49 +45 17 32.4
Date first 1908 Date last 2019 Obs 18
Pa first 227 Pa last 223.3 P.A. Now (θ) 223.3°
Sep first 2.7 Sep last 3.208 Sep. Now (ρ) 3.208"
Mag pri 9.60 Mag sec 11.80 delta mag (ΔM) 2.2 Spectral class G5 (yellow)
Pri motion ra +013 Sec motion ra
Pri motion dec -051 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 103888 Constellation Ursa Major SAO 43971 Tycho2 3452-00386-1
Gaia DR2 773184621126769024 HD 103888
 
 
WDS 11578+4518 A 1778 (HD 103888) : NOTES
 
 
discov_num notes refcode
A 1778 A may be variable.
 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
11578+4518 A 1778 2002 9 224 3.2 9.60 11.80 G5 +46 1764 N 115748.49+451732.4
11578+4518 A 1778 2017 12 219 3.0 9.60 11.80 G5 +46 1764 N 115748.49+451732.4
11578+4518 A 1778 2019 16 223 3.2 9.60 11.80 G5 +46 1764 N 115748.49+451732.4

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

 
 
WDS 11578+4518 A 1778 (HD 103888) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11578+4518 A 1778 (HD 103888) : MEASURES
 
 
No records found.

 
 
WDS 11578+4518 (HD 103888) : VIRTUAL EYEPIECE
 
 

11578+4518 A 1778A mag 9.6 Sp G5 11578+4518 A 1778B sep 3.2 P.A. 223.30 mag 11.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 11578+4518 (HD 103888) : ALADIN DSS IMAGE @ 11h 57m 48.49s +45° 17' 32.4"
 
 
 
 
WDS 11578+4518 A 1778 (HD 103888) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11578+4518 A 1778 distance=0' 11561+4533 STF1581 distance=24' 11579+4544 SKF2640 distance=27' 11596+4555 TDS8152 distance=42' 12009+4554 CVR1396 distance=49' 11530+4513 CBL 362 distance=51' 11578+4614 KZA 20 distance=57' 11546+4615 KZA 19AB distance=66' 11546+4615 KZA 19AC distance=66' 11513+4516 WIS 193AB distance=69' 11513+4516 KPP3247Aa,Ab distance=69' 11586+4626 CFN 8 distance=70' 11517+4449 HJ 842 distance=72' 11551+4629 BAG 46Da,Db distance=76' 11551+4629 A 1777AB distance=77' 11551+4629 STF1579AB,C distance=77' 11551+4629 STF1579AB,D distance=77' 11551+4629 STF1579CD distance=77' 11525+4612 KZA 18AB distance=78' 11525+4612 KZA 18AC distance=78' 11525+4612 KZA 18AD distance=78' 12026+4418 BVD 221 distance=79' 11596+4636 ES 2639 distance=81' 12068+4514 COU1576AB distance=95' 12068+4514 GII 186Aa,Ab distance=95' 12010+4347 A 1779 distance=97' 11579+4655 KZA 21AB distance=98' 11579+4655 KZA 21AC distance=98' 12068+4450 FAR 13BC distance=100' 12068+4450 WSI 116AB distance=100' 11512+4405 STF1574 distance=101' 12006+4337 STF1589 distance=105' 11479+4541 HJ 1198 distance=108' 12044+4356 TDS8204 distance=108' 12016+4731 KZA 24AB distance=111' 12016+4731 KZA 24AC distance=111' 12032+4653 TDS8194AB distance=112' 12032+4653 GII 183Aa,Ab distance=112' 11585+4709 KZA 22 distance=112' 11528+4336 A 1776AB distance=115' 11528+4336 A 1776AC distance=115' 11528+4336 GII 94AD distance=115' 11528+4336 GII 94AE distance=115' 12045+4648 COU1575 distance=115' 11498+4637 SKF2636AB distance=116' 11498+4637 SKF2636AC distance=116' 11470+4508 LDS5741 distance=116' 11498+4637 SKF2636BC distance=116' 11577+4320 BVD 219 distance=118' 11473+4601 SLW 649 distance=119' 11534+4317 ES 1154 distance=129' 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 11578+4518 A 1778 223 3.2 0
Show 11561+4533 STF1581 171 2.5 24
Show 11579+4544 SKF2640 164 16.8 27
Show 11596+4555 TDS8152 87 0.9 42
Show 12009+4554 CVR1396 241 3.1 49
Show 11530+4513 CBL 362 95 30.4 51
Show 11578+4614 KZA 20 204 32.5 57
Show 11546+4615 KZA 19 AB 336 54.4 66
Show 11546+4615 KZA 19 AC 116 53.6 66
Show 11513+4516 WIS 193 AB 344 999.9 69
Show 11513+4516 KPP3247 Aa,Ab 282 1.3 69
Show 11586+4626 CFN 8 334 1.5 70
Show 11517+4449 HJ 842 88 3.1 72
Show 11551+4629 BAG 46 Da,Db 326 0.1 76
Show 11551+4629 A 1777 AB 358 0.3 77
Show 11551+4629 STF1579 AB,C 43 3.8 77
Show 11551+4629 STF1579 AB,D 114 62.9 77
Show 11551+4629 STF1579 CD 117 61.9 77
Show 11525+4612 KZA 18 AB 25 66.5 78
Show 11525+4612 KZA 18 AC 347 51.5 78
Show 11525+4612 KZA 18 AD 315 85.5 78
Show 12026+4418 BVD 221 239 12.9 79
Show 11596+4636 ES 2639 53 9.6 81
Show 12068+4514 COU1576 AB 180 1.0 95
Show 12068+4514 GII 186 Aa,Ab 116 0.1 95
Show 12010+4347 A 1779 22 0.6 97
Show 11579+4655 KZA 21 AB 255 54.5 98
Show 11579+4655 KZA 21 AC 34 24.7 98
Show 12068+4450 FAR 13 BC 280 84.3 100
Show 12068+4450 WSI 116 AB 285 4.8 100
Show 11512+4405 STF1574 6 9.4 101
Show 12006+4337 STF1589 158 2.2 105
Show 11479+4541 HJ 1198 104 11.9 108
Show 12044+4356 TDS8204 172 0.5 108
Show 12016+4731 KZA 24 AB 2 176.6 111
Show 12016+4731 KZA 24 AC 344 81.8 111
Show 12032+4653 TDS8194 AB 346 1.6 112
Show 12032+4653 GII 183 Aa,Ab 116 0.2 112
Show 11585+4709 KZA 22 95 10.9 112
Show 11528+4336 A 1776 AB 206 1.8 115
Show 11528+4336 A 1776 AC 205 21.7 115
Show 11528+4336 GII 94 AD 293 4.3 115
Show 11528+4336 GII 94 AE 66 4.4 115
Show 12045+4648 COU1575 262 1.4 115
Show 11498+4637 SKF2636 AB 295 9.2 116
Show 11498+4637 SKF2636 AC 331 31.4 116
Show 11470+4508 LDS5741 110 80.2 116
Show 11498+4637 SKF2636 BC 344 24.4 116
Show 11577+4320 BVD 219 27 46.0 118
Show 11473+4601 SLW 649 214 36.8 119
Show 11534+4317 ES 1154 338 3.5 129

 
 
WDS 11578+4518 : COMPONENTS
 
 
  A
B pa=223.3°
sep=3.21"
 
 
11578+4518 A
 
 
Name HD 103888 Coord arcsec 2000 115748.49+451732.4 Mag 9.6 Spectral class G5 (yellow)
PmRA 13.00 PmDE -51.0 SAO 157012 Tycho2 3452-00386-1
HD 103888 DM BD-15 3388
Tycho2
Tycho2 3452-00386-1 Pflag RAmdeg 179.45205259 DEmdeg 45.29235120
PmRA 13.2 PmDE -48.7 E RAmdeg 11 E DEmdeg 14
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.46 EpDEm 1989.37
Num 6 Q RAmdeg 4.5 Q DEmdeg 4.1 Q pmRA 4.5
Q pmDE 4.0 BTmag 10.358 E BTmag 0.025 VTmag 9.765
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 179.45201778 DEdeg 45.29247333 EpRA 1990 1.75
EpDE 1990 1.68 E RAdeg 11.4 E DEdeg 14.6 Posflg
Corr -0.1
SAO
SAO 157012 DelFlag RA1950 PmRA1950 0.0046
DE1950 PmDE1950 -0.043 Vmag 9.2 SpType K2
Double code Source 21 CatNum 4664 DM BD-15 3388
DMcomp BDsup HD 103895 M HD 0
GC RA1950rad 3.12070489 DE1950rad -0.27563092 PmRA2000 0.0049
PmDE2000 -0.037
CCDM
Ccdm 11578+4518 RComp Comp A Note1
Note2 Discov num DRAs 0.51 DDEs -27.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp G5 PmNote *
PmRA 18 PmDE -47 Dm number +46 1764 Cat1 BD
Name2 +45 977 Cat2 AGK2/3 HD 103888 M HD
ADS BDS A 8363 M ADS BDS N IDS IDS 11526N4551A
HIC
 
 
11578+4518 B
 
 
Coord arcsec 2000 115748.28+451730.1 Mag 11.8 Delta magnitude 2.2 Coordinate calculated yes
CCDM
Ccdm 11578+4518 RComp Comp B Note1
Note2 Discov num A 1778 DRAs DDEs
R dRAs Year 1908 Theta 226 Rho 2.7
Obs 7 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8363 M ADS BDS N IDS IDS 11526N4551B
HIC