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Doubles in session


Current system
15284+4940
HJ 2784 AB
HD 234231


Nearby doubles
32' : 15279+4909
SLW1095

33' : 15263+4913
HJ 2781

45' : 15239+4931
HU 649

47' : 15320+5010
LDS4558

48' : 15292+5027
CBL 489

48' : 15290+5027
HU 651AB

72' : 15353+4914
BVD 242

80' : 15365+4951
COU2109

81' : 15362+4915
HDS2194

92' : 15361+4849
HU 652

96' : 15379+5005
HDS2203

98' : 15210+5046
UC 2988

99' : 15204+4840
CVR 784

104' : 15382+5020
UC 3034AB

108' : 15271+5127
TDS9521

112' : 15389+5027
TDS9574

113' : 15383+4842
HDS2204AB

117' : 15359+5111
GIC 132

118' : 15294+4743
BU 944AB

125' : 15409+5009
ES 626

128' : 15208+4756
LDS4545

138' : 15424+5000
SLW1124

140' : 15146+5019
BEM 17

142' : 15400+5109
LDS4580

143' : 15158+5056
STTA137

144' : 15175+4804
COU1762



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.

15284+4940 HJ 2784 AB (HD 234231)

 
 
15h 28m 21.76s +49° 39' 32.8" P.A. 236.00 sep 16.7 mag 9.35,10.40 Sp K1IV
 
 
Coord 2000 15284+4940 Discov num HJ 2784 Comp AB Coord arcsec 2000 15 28 21.76 +49 39 32.8
Date first 1879 Date last 2020 Obs 15
Pa first 229 Pa last 236.1 P.A. Now (θ) 236.1°
Sep first 17.4 Sep last 16.7 Sep. Now (ρ) 16.7"
Mag pri 9.35 Mag sec 10.40 delta mag (ΔM) 1.05 Spectral class K1IV (yellow-orange)
Pri motion ra +004 Sec motion ra -009
Pri motion dec +001 Sec motion dec +016
Notes U (Proper motion indicates non-physical)
rPM=1.081
This double is not physical.
 
 
15284+4940 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 234231 45559 15 28 22 +49 39 33 HJ 2784 AB 2020 15 236 16.7 9.35 10.40 1.05 <===
Show 45559 15 28 22 +49 39 33 HJ 2784 AC 2015 11 9 41.6 9.35 12.51 3.16
Show 45559 15 28 22 +49 39 33 ABH 85 AD 2015 7 3 31.3 9.35 14.30 4.95
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 234231 Constellation Bootes SAO 45559 Tycho2 3485-01164-1
Gaia DR2 1594493831113776896 HD 234231
 
 
WDS 15284+4940 HJ 2784 AB (HD 234231) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AbH1961 - Abt, H.A. 1961A&AS....6...37A
AbH1961 A&AS 6, 37, 1961
AbH1962 Po j Abt, H.A. Jeffers, H., Gibson, & Sandage, A. 1962ApJ...135..429A
AbH1962 ApJ 135, 429, 1962
AbH1964 - AbT, H.A. et al. 1964ApJ...139.1139A
AbH1964 ApJ 139, 1139, 1964
AbH1965 - Abt, H.A. 1965A&AS...11..429A
AbH1965 A&AS 11, 429, 1965
AbH1965b - Abt, H.A. et al. 1965ApJ...142.1604A
AbH1965b ApJ 142, 1604, 1965
AbH1972 - Abt. H.A. & Biggs, E.S. 1972bsrv.book.....A
AbH1972 Bibliography of Stellar Radial Velocities
AbH1972b not - Abt. H.A., Levy, S.G., & Gandet, T.L. 1972AJ.....77..138A
AbH1972b AJ 77, 138, 1972
AbH1973 - Abt, H.A. & Levy, S.G. 1973AJ.....78.1093A
AbH1973 AJ 78, 1093, 1973
AbH1976 orb - Abt, H.A. & Levy, S.G. 1976A&AS...30..273A
AbH1976 A&AS 30, 273, 1976
AbH1978 - Abt, H.A. & Levy, S.G. 1978A&AS...36..241A
AbH1978 A&AS 36, 241, 1978
AbH1985 - Abt, H.A. & Levy, S.G. 1985ApJS...59..229A
AbH1985 ApJS 59, 229, 1985
AbH1986 - Abt, H.A. 1986ApJ...304..688A
AbH1986 ApJ 304, 688, 1986
AbH2000 C u Abt, H.A. & Corbally, C.J. 2000ApJ...541..841A
AbH2000 ApJ 541, 841, 2000
AbH2000 (Multi-epoch astrometry, photometry, and spectroscopy to determine
AbH2000 optical/physical nature of members of possible Trapezium systems)
AbH2006 orb - Abt, H.A., & Willmarth, D. 2006ApJS..162..207A
AbH2006 ApJS 162, 207, 2006
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
15284+4940 HJ 2784 AB 2000 9 234 17.1 9.35 10.40 K1IV D 152821.76+493932.8
15284+4940 HJ 2784 AB 2010 10 234 17.3 9.35 10.40 K1IV D 152821.76+493932.8
15284+4940 HJ 2784 AB 2011 11 235 17.0 9.35 10.40 K1IV UD 152821.76+493932.8
15284+4940 HJ 2784 AB 2015 12 248 17.4 9.35 10.40 K1IV U 152821.76+493932.8
15284+4940 HJ 2784 AB 2020 15 236 16.7 9.35 10.40 K1IV U 152821.76+493932.8

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

 
 
WDS 15284+4940 HJ 2784 AB (HD 234231) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15284+4940 HJ 2784 AB (HD 234231) : MEASURES
 
 
No records found.

 
 
WDS 15284+4940 (HD 234231) : VIRTUAL EYEPIECE
 
 

15284+4940 HJ 2784A mag 9.35 Sp K1IV 15284+4940 HJ 2784B sep 12.9 P.A. 223.90 mag 10.4 15284+4940 HJ 2784C sep 41.3 P.A. 6.10 mag 12.51 15284+4940 ABH 85D sep 31.3 P.A. 2.10 mag 14.3 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 15284+4940 (HD 234231) : ALADIN DSS IMAGE @ 15h 28m 21.76s +49° 39' 32.8"
 
 
 
 
WDS 15284+4940 HJ 2784 AB (HD 234231) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15284+4940 HJ 2784AB distance=0' 15279+4909 SLW1095 distance=32' 15263+4913 HJ 2781 distance=33' 15239+4931 HU 649 distance=45' 15320+5010 LDS4558 distance=47' 15292+5027 CBL 489 distance=48' 15290+5027 HU 651AB distance=48' 15290+5027 GII 221Aa,Ab distance=48' 15353+4914 BVD 242 distance=72' 15365+4951 COU2109 distance=80' 15362+4915 HDS2194 distance=81' 15361+4849 HU 652 distance=92' 15379+5005 HDS2203 distance=96' 15210+5046 UC 2988 distance=98' 15204+4840 CVR 784 distance=99' 15382+5020 COU2110Aa,Ab distance=104' 15382+5020 UC 3034AB distance=104' 15271+5127 TDS9521 distance=108' 15389+5027 TDS9574 distance=112' 15383+4842 HDS2204AB distance=113' 15383+4842 GII 222Aa,Ab distance=113' 15359+5111 GIC 132 distance=117' 15294+4743 BU 944AB distance=118' 15294+4743 BU 944AC distance=118' 15409+5009 ES 626 distance=125' 15208+4756 LDS4545 distance=128' 15424+5000 SLW1124 distance=138' 15146+5019 BEM 17 distance=140' 15400+5109 LDS4580 distance=142' 15158+5056 STTA137 distance=143' 15175+4804 COU1762 distance=144' 15365+4738 CVR 794 distance=146' 15149+5048 ES 775 distance=147' 15145+4831 LDS4539 distance=153' 15439+5018 TDS9605 distance=156' 15258+4703 SLW1090 distance=159' 15201+5158 CHR 46 distance=159' 15318+4704 GIC 130 distance=160' 15184+5149 NSN 788 distance=160' 15445+4910 SKF 361 distance=160' 15264+5221 SLW1092 distance=163' 15387+5151 LDS4577 distance=164' 15150+5125 CVR1623 distance=166' 15127+4835 ES 2648AB distance=167' 15127+4835 POP1220AC distance=167' 15127+4835 CTT 14AD distance=167' 15455+4930 SLW1134 distance=168' 15185+5159 BEM 18 distance=168' 15294+4651 A 1633 distance=169' 15453+4906 BEM 19 distance=169' 15173+4731 GRV1207 distance=169' 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 15284+4940 HJ 2784 AB 236 16.7
Show 15284+4940 HJ 2784 AC 9 41.6
Show 15284+4940 ABH 85 AD 3 31.3
Show 15279+4909 SLW1095 345 55.1 32
Show 15263+4913 HJ 2781 329 20.6 33
Show 15239+4931 HU 649 49 4.5 45
Show 15320+5010 LDS4558 318 13.1 47
Show 15292+5027 CBL 489 205 69.6 48
Show 15290+5027 HU 651 AB 0.9 48
Show 15290+5027 GII 221 Aa,Ab 303 0.1 48
Show 15353+4914 BVD 242 233 28.7 72
Show 15365+4951 COU2109 89 1.4 80
Show 15362+4915 HDS2194 149 0.1 81
Show 15361+4849 HU 652 186 1.2 92
Show 15379+5005 HDS2203 296 0.1 96
Show 15210+5046 UC 2988 292 17.0 98
Show 15204+4840 CVR 784 155 7.9 99
Show 15382+5020 COU2110 Aa,Ab 211 0.5 104
Show 15382+5020 UC 3034 AB 91 77.6 104
Show 15271+5127 TDS9521 135 3.3 108
Show 15389+5027 TDS9574 176 0.8 112
Show 15383+4842 HDS2204 AB 58 0.4 113
Show 15383+4842 GII 222 Aa,Ab 115 0.1 113
Show 15359+5111 GIC 132 25 7.3 117
Show 15294+4743 BU 944 AB 128 9.3 118
Show 15294+4743 BU 944 AC 70 56.1 118
Show 15409+5009 ES 626 276 8.2 125
Show 15208+4756 LDS4545 238 158.8 128
Show 15424+5000 SLW1124 280 49.0 138
Show 15146+5019 BEM 17 119 23.1 140
Show 15400+5109 LDS4580 123 89.9 142
Show 15158+5056 STTA137 101 67.2 143
Show 15175+4804 COU1762 72 1.1 144
Show 15365+4738 CVR 794 210 15.7 146
Show 15149+5048 ES 775 220 6.7 147
Show 15145+4831 LDS4539 11 367.9 153
Show 15439+5018 TDS9605 39 0.8 156
Show 15258+4703 SLW1090 119 11.4 159
Show 15201+5158 CHR 46 228 0.3 159
Show 15318+4704 GIC 130 247 160.3 160
Show 15184+5149 NSN 788 274 4.6 160
Show 15445+4910 SKF 361 39 1.3 160
Show 15264+5221 SLW1092 19 71.3 163
Show 15387+5151 LDS4577 292 25.9 164
Show 15150+5125 CVR1623 280 4.6 166
Show 15127+4835 ES 2648 AB 339 25.9 167
Show 15127+4835 POP1220 AC 305 0.7 167
Show 15127+4835 CTT 14 AD 60 110.8 167
Show 15455+4930 SLW1134 130 30.9 168
Show 15185+5159 BEM 18 13 8.6 168
Show 15294+4651 A 1633 81 0.1 169

 
 
WDS 15284+4940 : COMPONENTS
 
 
  A B C
B pa=223.9°
sep=12.93"
 
C pa=6.1°
sep=41.32"
pa=14.8°
sep=52.14"
 
D pa=2.1°
sep=31.28"
pa=14.0°
sep=41.82"
pa=198.2°
sep=10.34"
 
 
15284+4940 A
 
 
Name HD 234231 Coord arcsec 2000 152821.76+493932.8 Mag 9.35 Spectral class K1IV (yellow-orange)
PmRA 4.00 PmDE 1.0 SAO 45559 Tycho2 3485-01164-1
HD 234231 DM BD+50 2180
Tycho2
Tycho2 3485-01164-1 Pflag RAmdeg 232.09066404 DEmdeg 49.65912588
PmRA 2.8 PmDE -1.1 E RAmdeg 12 E DEmdeg 11
E pmRA 1.0 E pmDE 1.0 EpRAm 1988.72 EpDEm 1989.33
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.4 BTmag 10.511 E BTmag 0.030 VTmag 9.347
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 232.09065389 DEdeg 49.65912833 EpRA 1990 1.59
EpDE 1990 1.66 E RAdeg 12.6 E DEdeg 12.3 Posflg
Corr -0.1
SAO
SAO 45559 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.009 Vmag 8.7 SpType K2
Double code Source 37 CatNum 4768 DM BD+50 2180
DMcomp BDsup HD 234231 M HD 0
GC RA1950rad 4.04407801 DE1950rad 0.86971192 PmRA2000 0.0012
PmDE2000 -0.006
CCDM
Ccdm 15284+4940 RComp Comp A Note1
Note2 Discov num DRAs -2.31 DDEs -27.5
R dRAs 65 Year Theta Rho
Obs 3 Vmag 9.3 Sp K2 PmNote *
PmRA -10 PmDE -6 Dm number +50 2180 Cat1 BD
Name2 +49 1202 Cat2 AGK2/3 HD 234231 M HD
ADS BDS B 7291 M ADS BDS N IDS IDS 15253N5000A
HIC
 
 
15284+4940 B
 
 
Coord arcsec 2000 152820.84+493923.5 Mag 10.4 PmRA -9.00 PmDE 16.0
Calc delta mag 1.05 Calc coord yes
CCDM
Ccdm 15284+4940 RComp Comp B Note1
Note2 Discov num HJ 2784 DRAs -3.68 DDEs -37.5
R dRAs 65 Year 1879 Theta 229 Rho 17.4
Obs 3 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 7291 M ADS BDS N IDS IDS 15253N5000B
HIC
 
 
15284+4940 C
 
 
Coord arcsec 2000 152822.21+494013.9 Mag 12.51 PmRA -6.00 PmDE 1.0
Calc delta mag 3.16 Calc coord yes
CCDM
Ccdm 15284+4940 RComp Comp C Note1
Note2 Discov num HJ 2784 DRAs -1.56 DDEs 13.7
R dRAs 65 Year 1879 Theta 011 Rho 41.7
Obs 2 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 7291 M ADS BDS N IDS IDS 15253N5000C
HIC
 
 
15284+4940 D
 
 
Coord arcsec 2000 152821.88+494004.1 Mag 14.3 PmRA -1.00 PmDE 8.0
Calc delta mag 4.95 Calc coord yes