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Current system
12454+1422
STF 1678
HD 110932


Nearby doubles
33' : 12472+1442
GIC 109AB

44' : 12472+1348
SLW 773

48' : 12422+1431
HU 892

50' : 12439+1507
HO 380

54' : 12488+1402
S 642

66' : 12457+1317
SKF1740

70' : 12481+1325
BPM 597

81' : 12483+1530
HEI 160

82' : 12425+1311
LDS1333

87' : 12411+1523
RDR 4

90' : 12406+1513
HJ 213AB

92' : 12392+1420
STF1666

92' : 12463+1252
GWP1854

100' : 12386+1424
GWP1838

101' : 12474+1246
SLE 902

102' : 12389+1348
HDS1772

107' : 12501+1300
SLW 778

107' : 12422+1558
LDS1332AB

107' : 12384+1347
HJ 2616AB

109' : 12380+1436
HEI 62

112' : 12455+1231
SLE 901

113' : 12508+1301
LDS4283AB

117' : 12530+1502
STF1686AB

127' : 12497+1613
SKF 275

129' : 12477+1218
LDS4272

129' : 12390+1255
BPM 594



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

12454+1422 STF 1678 (HD 110932)

 
 
12h 45m 26.17s +14° 22' 24.9" P.A. 170.00 sep 37.5 mag 7.16,7.68 Sp B8V dist. 230.41 pc (751.6 l.y.)
 
 
Coord 2000 12454+1422 Discov num STF1678 Comp Coord arcsec 2000 12 45 26.17 +14 22 24.9
Date first 1825 Date last 2018 Obs 143
Pa first 213 Pa last 170 P.A. Now (θ) 170°
Sep first 33.4 Sep last 37.5 Sep. Now (ρ) 37.5"
Mag pri 7.16 Mag sec 7.68 delta mag (ΔM) 0.52 Spectral class B8V (blue-white)
Pri motion ra -050 Sec motion ra +081
Pri motion dec +004 Sec motion dec -044
Notes N L Y (See Notes, Linear solution, Parallax indicates components are non-physical)
rPM=1.514
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110932 Constellation Coma Berenices SAO 100236 HIP 62248
Tycho2 0881-00563-1 Gaia DR2 3929385971892400128 HD 110932 GC 17345
ADS 8659 BD BD+15 2503 Distance 230.41 Distance ly 751.6
 
 
WDS 12454+1422 STF 1678 (HD 110932) : NOTES
 
 
discov_num notes refcode
STF1678 STTA120 = STFA 22. B is BD+15@2503.
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12454+1422 STF1678 2007 116 171 36.8 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2008 117 171 36.8 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2010 121 171 37.1 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2011 122 171 37.7 7.16 7.68 B8V NLD 124526.17+142224.9
12454+1422 STF1678 2014 124 170 37.4 7.16 7.68 B8V NLDY 124526.17+142224.9
12454+1422 STF1678 2017 126 170 37.7 7.16 7.68 B8V NL Y 124526.17+142224.9
12454+1422 STF1678 2018 128 170 37.7 7.16 7.68 B8V NL Y 124526.17+142224.9

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

 
 
WDS 12454+1422 STF 1678 (HD 110932) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/04/14 Daedalus1 very difficult separated 170   Very nice pair of contrasting stars. Seeing was awful! Pickering 3, very poor.

 
 
WDS 12454+1422 STF 1678 (HD 110932) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/04/14 Daedalus1 very difficult 38.83 0.16 170.00 0.00 0.51 12 Seeing: Pickering 3, very poor. Bad seeing caused this measure to be very difficult.
 
 
WDS 12454+1422 (HD 110932) : VIRTUAL EYEPIECE
 
 

12454+1422 STF1678A mag 7.16 Sp B8V 12454+1422 STF1678B sep 37.5 P.A. 170.30 mag 7.68 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 12454+1422 (HD 110932) : ALADIN DSS IMAGE @ 12h 45m 26.17s +14° 22' 24.9"
 
 
 
 
WDS 12454+1422 STF 1678 (HD 110932) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12454+1422 STF1678 distance=0' 12472+1442 GIC 109AB distance=33' 12472+1442 EGG 7BC distance=34' 12472+1348 SLW 773 distance=44' 12422+1431 HU 892 distance=48' 12439+1507 HO 380 distance=50' 12488+1402 S 642 distance=54' 12457+1317 SKF1740 distance=66' 12481+1325 BPM 597 distance=70' 12483+1530 HEI 160 distance=81' 12425+1311 LDS1333 distance=82' 12411+1523 RDR 4 distance=87' 12406+1513 TDS8482Aa,Ab distance=90' 12406+1513 HJ 213AB distance=90' 12392+1420 STF1666 distance=92' 12463+1252 GWP1854 distance=92' 12386+1424 GWP1838 distance=100' 12474+1246 SLE 902 distance=101' 12389+1348 HDS1772 distance=102' 12501+1300 SLW 778 distance=107' 12422+1558 LDS1332AB distance=107' 12384+1347 HJ 2616AB distance=107' 12384+1347 HJ 2616AC distance=107' 12384+1347 ABH 79AD distance=107' 12384+1347 HJ 2616AE distance=107' 12384+1347 HJ 2616BC distance=108' 12380+1436 HEI 62 distance=109' 12455+1231 SLE 901 distance=112' 12508+1302 RAO 283Aa,Ab distance=113' 12508+1301 LDS4283AB distance=113' 12530+1502 STF1686AB distance=117' 12530+1502 YSC 215Aa,Ab distance=117' 12497+1613 SKF 275 distance=127' 12477+1218 LDS4272 distance=129' 12390+1255 BPM 594 distance=129' 12480+1217 HU 893 distance=131' 12400+1239 HDS1774AB distance=131' 12400+1239 GII 191Aa,Ab distance=131' 12426+1628 SLW 763 distance=132' 12519+1555 SLW 784 distance=133' 12388+1252 AG 343 distance=133' 12531+1310 CVR 669 distance=134' 12546+1452 LDS4293 distance=136' 12533+1310 HU 894 distance=136' 12417+1217 SLW 759 distance=137' 12494+1628 SLE 904 distance=138' 12362+1457 CBL 388 distance=139' 12358+1408 HEI 159 distance=141' 12363+1512 SLW 741 distance=142' 12489+1206 ENG 49BC distance=143' 12489+1206 ENG 49AB distance=146' 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 12454+1422 STF1678 170 37.5
Show 12472+1442 GIC 109 AB 48 25.1 33
Show 12472+1442 EGG 7 BC 240 3.0 34
Show 12472+1348 SLW 773 10 58.9 44
Show 12422+1431 HU 892 185 0.6 48
Show 12439+1507 HO 380 347 2.3 50
Show 12488+1402 S 642 22 66.8 54
Show 12457+1317 SKF1740 129 10.8 66
Show 12481+1325 BPM 597 318 13.2 70
Show 12483+1530 HEI 160 344 2.4 81
Show 12425+1311 LDS1333 244 13.0 82
Show 12411+1523 RDR 4 247 2.4 87
Show 12406+1513 TDS8482 Aa,Ab 84 0.5 90
Show 12406+1513 HJ 213 AB 222 22.5 90
Show 12392+1420 STF1666 192 7.4 92
Show 12463+1252 GWP1854 64 78.2 92
Show 12386+1424 GWP1838 345 23.4 100
Show 12474+1246 SLE 902 229 23.8 101
Show 12389+1348 HDS1772 146 0.1 102
Show 12501+1300 SLW 778 351 76.8 107
Show 12422+1558 LDS1332 AB 348 23.4 107
Show 12384+1347 HJ 2616 AB 284 19.5 107
Show 12384+1347 HJ 2616 AC 303 20.6 107
Show 12384+1347 ABH 79 AD 154 41.1 107
Show 12384+1347 HJ 2616 AE 56 101.1 107
Show 12384+1347 HJ 2616 BC 18 7.2 108
Show 12380+1436 HEI 62 257 1.6 109
Show 12455+1231 SLE 901 252 6.1 112
Show 12508+1302 RAO 283 Aa,Ab 215 0.3 113
Show 12508+1301 LDS4283 AB 188 177.4 113
Show 12530+1502 STF1686 AB 187 5.7 117
Show 12530+1502 YSC 215 Aa,Ab 52 0.2 117
Show 12497+1613 SKF 275 202 2.9 127
Show 12477+1218 LDS4272 80 34.7 129
Show 12390+1255 BPM 594 152 29.6 129
Show 12480+1217 HU 893 32 1.5 131
Show 12400+1239 HDS1774 AB 65 0.4 131
Show 12400+1239 GII 191 Aa,Ab 140 0.2 131
Show 12426+1628 SLW 763 312 9.4 132
Show 12519+1555 SLW 784 163 37.1 133
Show 12388+1252 AG 343 325 8.5 133
Show 12531+1310 CVR 669 328 24.3 134
Show 12546+1452 LDS4293 163 11.7 136
Show 12533+1310 HU 894 143 1.2 136
Show 12417+1217 SLW 759 258 69.0 137
Show 12494+1628 SLE 904 171 13.6 138
Show 12362+1457 CBL 388 14 80.5 139
Show 12358+1408 HEI 159 320 0.3 141
Show 12363+1512 SLW 741 260 17.3 142
Show 12489+1206 ENG 49 BC 328 131.1 143
Show 12489+1206 ENG 49 AB 348 176.4 146

 
 
WDS 12454+1422 : COMPONENTS
 
 
  A
B pa=170.3°
sep=37.47"
 
 
12454+1422 A
 
 
Componente originario normalizzato AB Name HD 110932 Coord arcsec 2000 124526.17+142224.9 Mag 7.16
Spectral class B8V (blue-white) PmRA -50.00 PmDE 4.0 SAO 100236
HIP 62248 Tycho2 0881-00563-1 HD 110932 GC 17345
ADS 8659 BD BD+15 2504
Tycho2
Tycho2 0881-00563-1 Pflag RAmdeg 191.35902692 DEmdeg 14.37359635
PmRA -49.5 PmDE 3.5 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.31 EpDEm 1991.11
Num 18 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.3
Q pmDE 0.7 BTmag 7.058 E BTmag 0.015 VTmag 7.157
E VTmag 0.010 Prox 358 TYC T HIP 62248
CCDM RAdeg 191.35914361 DEdeg 14.37358806 EpRA 1990 1.76
EpDE 1990 1.47 E RAdeg 3.6 E DEdeg 4.2 Posflg
Corr 0.3
SAO
SAO 100236 DelFlag RA1950 PmRA1950 -0.003
DE1950 PmDE1950 -0.008 Vmag 6.8 SpType A0
Double code Source 70 CatNum 17345 DM BD+15 2504
DMcomp BDsup HD 110932 M HD 0
GC 17345 RA1950rad 3.32891694 DE1950rad 0.25563192 PmRA2000 -0.0029
PmDE2000 -0.003
Hipparcos
Catalog H HIP 62248 Proxy RAhms 12 45 26.20
DEdms +14 22 24.9 Vmag 7.22 VarFlag R Vmag H
RAdeg 191.359 DEdeg 14.3736 AstroRef Plx 4.11
CCDM 12454+1422 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 110932 BD BD+15 2504
CD CP Dm number +15 2504 VIred -0.1
SpType A0 R SpType Coord arcsec 2000 124526.20+142224.9
Hipparcos 2
HIP 62248 Sn 5 So 0 Nc 1
RArad 3.3398473072 DErad 0.250866447 Plx 4.34 PmRA -49.85
PmDE 4.38 E RArad 0.55 E DErad 0.36 E Plx 0.64
E pmRA 0.7 E pmDE 0.38 Hpmag 7.1913 E Hpmag 0.0008
SHp 0.01 VA 0 BV -0.093 E BV 0.006
VI -0.07
CCDM
Ccdm 12454+1422 RComp Comp A Note1
Note2 Discov num DRAs 2.19 DDEs 25.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp A0 PmNote *
PmRA -49 PmDE 3 Dm number +15 2504 Cat1 BD
Name2 +14 1317 Cat2 AGK2/3 HD 110932 M HD
ADS BDS A 8659 M ADS BDS N IDS IDS 12404N1455A
HIC 62248
 
 
12454+1422 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 124526.60+142148.0 Mag 7.68 PmRA 81.00
PmDE -44.0 HIP 62249 Tycho2 0881-00593-1 ADS 8659
BD BD+15 2503 Calc delta mag 0.52 Calc coord yes
Tycho2
Tycho2 0881-00593-1 Pflag RAmdeg 191.36036238 DEmdeg 14.36357238
PmRA 81.5 PmDE -45.4 E RAmdeg 4 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.56 EpDEm 1991.27
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.7 BTmag 8.108 E BTmag 0.015 VTmag 7.680
E VTmag 0.011 Prox 358 TYC T HIP 62249
CCDM RAdeg 191.36016972 DEdeg 14.36367917 EpRA 1990 1.75
EpDE 1990 1.52 E RAdeg 4.4 E DEdeg 5.4 Posflg
Corr 0.2
Hipparcos
Catalog H HIP 62249 Proxy RAhms 12 45 26.44
DEdms +14 21 49.2 Vmag 7.72 VarFlag R Vmag G
RAdeg 191.36 DEdeg 14.3637 AstroRef Plx 17.11
CCDM 12454+1422 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+15 2503
CD CP Dm number +15 2503 VIred 0.5
SpType G5 R SpType Coord arcsec 2000 124526.44+142149.2
Hipparcos 2
HIP 62249 Sn 5 So 0 Nc 1
RArad 3.3398648571 DErad 0.2506934144 Plx 17.35 PmRA 80.14
PmDE -45.62 E RArad 0.7 E DErad 0.45 E Plx 0.8
E pmRA 0.87 E pmDE 0.48 Hpmag 7.8054 E Hpmag 0.0012
SHp 0.013 VA 0 BV 0.43 E BV 0.014
VI 0.5
CCDM
Ccdm 12454+1422 RComp Comp B Note1
Note2 Discov num STF1678 DRAs 2.45 DDEs -11.6
R dRAs 10 Year 1958 Theta 181 Rho 34.1
Obs 99 Vmag 8.5 Sp PmNote *
PmRA 72 PmDE -55 Dm number +15 2503 Cat1 BD
Name2 +14 1316 Cat2 AGK2/3 HD M HD
ADS BDS A 8659 M ADS BDS N IDS IDS 12404N1455B
HIC 62249