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Doubles in session


Current system
12563+5406
STF 1695 AB
HD 112486


Nearby doubles
19' : 12574+5351
WIS 211

41' : 12519+5354
CVR1474

41' : 12538+5440
STI2291

44' : 12591+5441
LDS3069

58' : 12541+5500
LDS3067

62' : 12560+5305
TDS8595

76' : 13048+5418
UC 2471

77' : 12542+5250
BEM 2

81' : 12501+5506
GJ 3753AB

83' : 12585+5246
SLW 802

92' : 13054+5452
UC 182

93' : 12484+5509
NSN 634

94' : 12561+5540
LDS3068

106' : 13077+5441
MLB 170

107' : 13008+5545
STI2293

107' : 12478+5522
TDS8526

110' : 12473+5252
HDS1794

111' : 12439+5349
ES 729

114' : 12540+5558
BLM 2
Alioth

123' : 13041+5227
MLR 704

126' : 13098+5448
TDS8712

126' : 12421+5415
LDS3056AB

126' : 12556+5613
DAM 711AB

129' : 13054+5226
SLW 820

131' : 13048+5555
WOR 23

132' : 13099+5504
GRV1155



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.

12563+5406 STF 1695 AB (HD 112486)

 
 
12h 56m 17.64s +54° 05' 58.1" P.A. 280.00 sep 3.7 mag 6.04,7.75 Sp A5m dist. 86.66 pc (282.68 l.y.)
 
 
Coord 2000 12563+5406 Discov num STF1695 Comp AB Coord arcsec 2000 12 56 17.64 +54 05 58.1
Date first 1823 Date last 2020 Obs 124
Pa first 285 Pa last 279.7 P.A. Now (θ) 279.7°
Sep first 4.1 Sep last 3.73 Sep. Now (ρ) 3.73"
Mag pri 6.04 Mag sec 7.75 delta mag (ΔM) 1.71 Spectral class A5m (white)
Pri motion ra -062 Sec motion ra -087
Pri motion dec -002 Sec motion dec +003
Notes N (See Notes)
rPM=0.293 (< 0.3, Physical double)
This double is physical.
 
 
12563+5406 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 112486 28572 12 56 18 +54 05 58 STF 1695 AB 2020 124 280 3.7 6.04 7.75 1.71 <===
Show 28572 12 56 18 +54 05 58 STF 1695 AC 2015 9 139 131.7 6.04 12.32 6.28
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 112486 Constellation Ursa Major SAO 28572 HIP 63143
Tycho2 3842-01310-1 Gaia DR2 1570234172198878848 HD 112486 HR 4917
GC 17567 ADS 8710 BD BD+54 1556 Distance 86.66
Distance ly 282.68
 
 
WDS 12563+5406 STF 1695 AB (HD 112486) : NOTES
 
 
discov_num notes refcode
STF1695 A spectroscopic binary, P = 5.13d.
 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12563+5406 STF1695 AB 2008 91 281 3.5 6.04 7.75 A5m N D 125617.64+540558.1
12563+5406 STF1695 AB 2014 98 280 3.8 6.04 7.75 A5m N D 125617.64+540558.1
12563+5406 STF1695 AB 2015 99 282 3.6 6.04 7.75 A5m N D 125617.64+540558.1
12563+5406 STF1695 AB 2017 110 281 3.9 6.04 7.75 A5m N 125617.64+540558.1
12563+5406 STF1695 AB 2019 118 281 3.8 6.04 7.75 A5m N 125617.64+540558.1
12563+5406 STF1695 AB 2020 122 280 3.7 6.04 7.75 A5m N 125617.64+540558.1

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

 
 
WDS 12563+5406 STF 1695 AB (HD 112486) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/05/30 Daedalus1 mean difficulty separated 280   Beautiful pair of pure white stars. Primary is very much brighter.
Show 11/04/21 voyager75 easy separated   very interesting Una bellissima doppia, davvero notevole l'effetto ottica del calo di magnitudine della secondaria, mi spingo fino a 166X per gustarla meglio.

 
 
WDS 12563+5406 STF 1695 AB (HD 112486) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/05/30 Daedalus1 mean difficulty 3.73 0.05 280.00 0.00 1.69 12 Seeing: Pickering 7, good.
 
 
WDS 12563+5406 (HD 112486) : VIRTUAL EYEPIECE
 
 

12563+5406 STF1695A mag 6.04 Sp A5m 12563+5406 STF1695B sep 2.2 P.A. 286.30 mag 7.75 12563+5406 STF1695C sep 111.3 P.A. 152.70 mag 12.32 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 12563+5406 (HD 112486) : ALADIN DSS IMAGE @ 12h 56m 17.64s +54° 05' 58.1"
 
 
 
 
WDS 12563+5406 STF 1695 AB (HD 112486) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12563+5406 STF1695AB distance=0' 12574+5351 WIS 211 distance=19' 12574+5351 NSN 636Aa,Ab distance=19' 12519+5354 CVR1474 distance=41' 12538+5440 STI2291 distance=41' 12591+5441 LDS3069 distance=44' 12541+5500 LDS3067 distance=58' 12560+5305 TDS8595 distance=62' 13048+5418 UC 2471 distance=76' 12542+5250 BEM 2 distance=77' 12501+5506 GJ 3753AB distance=81' 12501+5506 FAR 14AC distance=81' 12585+5246 SLW 802 distance=83' 13054+5452 UC 182 distance=92' 12484+5509 NSN 634 distance=93' 12561+5540 LDS3068 distance=94' 13077+5441 MLB 170 distance=106' 13008+5545 STI2293 distance=107' 12478+5522 TDS8526 distance=107' 12473+5252 HDS1794 distance=110' 12439+5349 ES 729 distance=111' 12540+5558 BLM 2 (Alioth) distance=114' 13041+5227 MLR 704 distance=123' 13098+5448 TDS8712 distance=126' 12421+5415 LDS3056AB distance=126' 12556+5613 DAM 711AB distance=126' 12556+5613 LDS1343BC distance=127' 13054+5226 SLW 820 distance=129' 13048+5555 WOR 23 distance=131' 13099+5504 GRV1155 distance=132' 13109+5439 CBL 412 distance=132' 13007+5622 BU 1082 distance=142' 13119+5445 SKF1742 distance=143' 13042+5615 MLR 554 distance=146' 12496+5151 LDS3061 distance=147' 13026+5625 KR 41 distance=150' 12402+5503 STI2290AB distance=152' 12426+5545 LDS3058 distance=155' 13069+5612 UC 2483 distance=156' 13069+5200 A 1605 distance=158' 12417+5543 SHY 64AB distance=159' 12417+5543 SHY 64AC distance=159' 12417+5543 SHY 64AD distance=159' 12417+5543 SHY 236AE distance=159' 13146+5417 A 1608 distance=161' 12421+5227 LDS3055 distance=161' 12395+5516 BOY 6 distance=162' 13043+5138 TDS8676AB distance=165' 12409+5545 SLW 756 distance=166' 13146+5330 LDS5221 distance=166' 12487+5640 TDS8534 distance=167' 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 12563+5406 STF1695 AB 280 3.7
Show 12563+5406 STF1695 AC 139 131.7
Show 12574+5351 WIS 211 200 419.2 19
Show 12574+5351 NSN 636 Aa,Ab 317 1.6 19
Show 12519+5354 CVR1474 295 4.0 41
Show 12538+5440 STI2291 28 5.9 41
Show 12591+5441 LDS3069 169 54.3 44
Show 12541+5500 LDS3067 278 10.8 58
Show 12560+5305 TDS8595 225 0.6 62
Show 13048+5418 UC 2471 113 13.5 76
Show 12542+5250 BEM 2 271 4.9 77
Show 12501+5506 GJ 3753 AB 307 2.6 81
Show 12501+5506 FAR 14 AC 109 123.1 81
Show 12585+5246 SLW 802 101 23.3 83
Show 13054+5452 UC 182 184 43.3 92
Show 12484+5509 NSN 634 140 2.2 93
Show 12561+5540 LDS3068 349 14.1 94
Show 13077+5441 MLB 170 272 3.7 106
Show 13008+5545 STI2293 115 9.6 107
Show 12478+5522 TDS8526 23 0.6 107
Show 12473+5252 HDS1794 182 0.2 110
Show 12439+5349 ES 729 227 8.8 111
Show Alioth 12540+5558 BLM 2 60 0.1 114
Show 13041+5227 MLR 704 38 0.4 123
Show 13098+5448 TDS8712 18 1.9 126
Show 12421+5415 LDS3056 AB 90 2.0 126
Show 12556+5613 DAM 711 AB 47 60.3 126
Show 12556+5613 LDS1343 BC 207 5.9 127
Show 13054+5226 SLW 820 246 77.7 129
Show 13048+5555 WOR 23 163 2.0 131
Show 13099+5504 GRV1155 273 13.0 132
Show 13109+5439 CBL 412 343 9.2 132
Show 13007+5622 BU 1082 141 0.7 142
Show 13119+5445 SKF1742 302 1.3 143
Show 13042+5615 MLR 554 145 0.6 146
Show 12496+5151 LDS3061 4 141.0 147
Show 13026+5625 KR 41 333 3.5 150
Show 12402+5503 STI2290 AB 246 13.5 152
Show 12426+5545 LDS3058 248 6.6 155
Show 13069+5612 UC 2483 344 9.9 156
Show 13069+5200 A 1605 349 1.1 158
Show 12417+5543 SHY 64 AB 191 999.9 159
Show 12417+5543 SHY 64 AC 309 999.9 159
Show 12417+5543 SHY 64 AD 69 999.9 159
Show 12417+5543 SHY 236 AE 248 999.9 159
Show 13146+5417 A 1608 266 3.2 161
Show 12421+5227 LDS3055 8 13.8 161
Show 12395+5516 BOY 6 7 0.2 162
Show 13043+5138 TDS8676 AB 312 0.4 165
Show 12409+5545 SLW 756 117 10.1 166
Show 13146+5330 LDS5221 82 84.8 166

 
 
WDS 12563+5406 : COMPONENTS
 
 
  A B
B pa=286.3°
sep=2.25"
 
C pa=152.7°
sep=111.32"
pa=151.9°
sep=112.88"
 
 
12563+5406 A
 
 
Name HD 112486 Coord arcsec 2000 125617.64+540558.1 Mag 6.04 Spectral class A5m (white)
PmRA -62.00 PmDE -2.0 SAO 28572 HIP 63143
Tycho2 3842-01310-1 HD 112486 HR 4917 GC 17567
BD BD+54 1556
Tycho2
Tycho2 3842-01310-1 Pflag RAmdeg 194.07324955 DEmdeg 54.09947889
PmRA -61.8 PmDE -1.9 E RAmdeg 4 E DEmdeg 4
E pmRA 4.3 E pmDE 4.6 EpRAm 1991.41 EpDEm 1991.76
Num 3 Q RAmdeg 3.5 Q DEmdeg 0.5 Q pmRA 3.7
Q pmDE 0.4 BTmag 6.246 E BTmag 0.014 VTmag 6.040
E VTmag 0.009 Prox 38 TYC T HIP 63143
CCDM A RAdeg 194.07350083 DEdeg 54.09948333 EpRA 1990 1.42
EpDE 1990 1.77 E RAdeg 4.0 E DEdeg 3.5 Posflg
Corr -0.3
SAO
SAO 28572 DelFlag RA1950 PmRA1950 -0.0092
DE1950 PmDE1950 -0.004 Vmag 6 SpType A2
Double code Source 70 CatNum 17567 DM BD+54 1556
DMcomp BDsup HD 112486 M HD 0
GC 17567 RA1950rad 3.37767605 DE1950rad 0.94892959 PmRA2000 -0.0088
PmDE2000 0.001
Hipparcos
Catalog H HIP 63143 Proxy H RAhms 12 56 17.64
DEdms +54 05 58.1 Vmag 5.84 VarFlag R Vmag H
RAdeg 194.074 DEdeg 54.0995 AstroRef A Plx 12.74
CCDM 12563+5405 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 281 Rho 3.766 HD 112486 BD BD+54 1556
CD CP Dm number +54 1556 VIred 0.22
SpType A5m R SpType Coord arcsec 2000 125617.64+540558.1
Hipparcos 2
HIP 63143 Sn 17 So 3 Nc 2
RArad 3.38722171 DErad 0.9442141029 Plx 11.54 PmRA -77.69
PmDE 3.47 E RArad 0.4 E DErad 0.4 E Plx 0.51
E pmRA 0.49 E pmDE 0.45 Hpmag 5.9036 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.204 E BV 0.003
VI 0.22
 
 
12563+5406 B
 
 
Coord arcsec 2000 125617.39+540558.7 Mag 7.75 PmRA -87.00 PmDE 3.0
Calc delta mag 1.71 Calc coord yes
 
 
12563+5406 C
 
 
Coord arcsec 2000 125623.44+540419.1 Mag 12.32 PmRA -18.00 PmDE -3.0
Calc delta mag 6.28 Calc coord yes