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Current system
15516-1856
OCC 452
HD 141812


Nearby doubles
29' : 15506-1831
GWP2557

37' : 15533-1924
VSP 46

38' : 15491-1844
ARA 431

41' : 15488-1857
GWP2555

53' : 15501-1809
OCC 51

55' : 15550-1923
HU 1274

62' : 15527-1956
RST2983

64' : 15476-1829
UC 3067

67' : 15470-1908
HU 656

74' : 15568-1854
BRT1495

84' : 15575-1903
USD 178

86' : 15564-1805
LDS4603

87' : 15481-1747
LSC 60

94' : 15570-1951
KSA 117

96' : 15454-1820
KPP1438

98' : 15583-1837
LAF 90

99' : 15543-1726
J 1588AB

99' : 15515-2035
OCC 689

103' : 15512-2038
BRT1494

103' : 15524-1714
SKI 9AB

105' : 15564-2016
TOK 735

106' : 15590-1844
KSA 121AB

108' : 15566-2017
KPP 357

108' : 15592-1851
USD 235

108' : 15506-2043
RSS 387

109' : 15567-1736
LDS4605



Selections
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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.

15516-1856 OCC 452 (HD 141812)

 
 
15h 51m 38.08s -18° 56' 21.7" P.A. -1.00 sep 0.3 mag 7.40,7.90 Sp K0III dist. 149.03 pc (486.14 l.y.)
 
 
Coord 2000 15516-1856 Discov num OCC 452 Comp Coord arcsec 2000 15 51 38.08 -18 56 21.7
Date first 1976 Date last 1976 Obs 0
Pa first -1 Pa last -1 P.A. Now (θ) -1
Sep first 0.3 Sep last 0.3 Sep. Now (ρ) 0.3"
Mag pri 7.40 Mag sec 7.90 delta mag (ΔM) 0.5 Spectral class K0III (yellow-orange)
Pri motion ra -018 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 141812 Constellation Libra SAO 159540 HIP 77688
Tycho2 6194-01445-1 Gaia DR2 6248082512558704640 HD 141812 BD BD-18 4182
Distance 149.03 Distance ly 486.14
 
 
WDS 15516-1856 OCC 452 (HD 141812) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
OCC Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,
OCC Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
OCC Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,
OCC A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
OCC Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,
OCC Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
OCC Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,
OCC Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
OCC Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,
OCC T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
OCC Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,
OCC E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
OCC Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,
OCC E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
OCC George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,
OCC Suggs, R., Venable, R. & Warren, W.H.
OCC George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,
OCC di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
OCC Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,
OCC Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
OCC George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,
OCC Centala, J., Modic, R., & Slauson, D.
OCC Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,
OCC Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
OCC George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,
OCC Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
OCC Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,
OCC Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
OCC Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,
OCC Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
OCC Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,
OCC Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
OCC Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,
OCC Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
OCC Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,
OCC JDSO 15, 162, 2019
OCC Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,
OCC JDSO 15, 268, 2019
OCC Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,
OCC JDSO 15, 503, 2019
OCC Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,
OCC JDSO 16, 440, 2020
OCC Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,
OCC JDSO 17, 230, 2021
OCC Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,
OCC JDSO 18, 61, 2022
OCC Warner, E., Gault, D., Mousa, M., Oakey, P., Palaoro, A., Smith, R. & Williams,
OCC JDSO 21, 125, 2025
OCC Simpson, M., Klaszus, E., Deen, S., Ceravolo, P., Gowe, B., Alves, N., Holloway,
OCC JDSO 21, 136, 2025
OCC Weber, C., Conjat, M., Kattentidt, B., Kubanek, J., Kubankova, S., Lavagno, G.,
OCC JDSO 21, 144, 2025
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452   0   7.40 7.90 -18 4182 155138.08-185621.7
15516-1856 OCC 452 1976 0 -1 0.3 7.40 7.90 -18 4182 155138.08-185621.7

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

 
 
WDS 15516-1856 OCC 452 (HD 141812) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15516-1856 OCC 452 (HD 141812) : MEASURES
 
 
No records found.

 
 
WDS 15516-1856 (HD 141812) : VIRTUAL EYEPIECE
 
 

15516-1856 OCC 452A mag 7.4 Sp K0III 15516-1856 OCC 452B mag 7.9 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 15516-1856 (HD 141812) : ALADIN DSS IMAGE @ 15h 51m 38.08s -18° 56' 21.7"
 
 
 
 
WDS 15516-1856 OCC 452 (HD 141812) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15516-1856 OCC 452 distance=0' 15506-1831 GWP2557 distance=29' 15533-1924 VSP 46 distance=37' 15491-1844 ARA 431 distance=38' 15488-1857 GWP2555 distance=41' 15501-1809 OCC 51 distance=53' 15550-1923 HU 1274 distance=55' 15527-1956 RST2983 distance=62' 15476-1829 UC 3067 distance=64' 15470-1908 HU 656 distance=67' 15568-1854 BRT1495 distance=74' 15575-1903 USD 178 distance=84' 15564-1805 LDS4603 distance=86' 15481-1747 LSC 60 distance=87' 15570-1951 KSA 117 distance=94' 15454-1820 KPP1438 distance=96' 15583-1837 LAF 90 distance=98' 15543-1726 J 1588BC distance=99' 15543-1726 J 1588AB distance=99' 15515-2035 OCC 689 distance=99' 15512-2038 BRT1494 distance=103' 15524-1714 SKI 9AB distance=103' 15524-1714 FOX9010AC distance=103' 15564-2016 TOK 735 distance=105' 15590-1844 KSA 121AB distance=106' 15590-1844 KSA 121AC distance=106' 15566-2017 KPP 357 distance=108' 15592-1851 USD 235 distance=108' 15506-2043 RSS 387 distance=108' 15567-1736 LDS4605 distance=109' 15473-2028 TOK 675AB distance=111' 15443-1943 HU 654 distance=114' 15597-1848 GWP2573 distance=115' 15537-2049 SKF1642 distance=117' 15588-1758 MET 66 distance=118' 15448-2003 B 2366 distance=118' 15548-2049 RST2985 distance=122' 15591-1956 SHJ 213AB distance=122' 16008-1928 USD 299 distance=123' 15567-2040 TOK 737 distance=126' 15549-1658 ALD 57 distance=128' 15564-2046 OCC 399 distance=129' 15469-1707 HDS2221 distance=130' 16002-1811 UC 3102 distance=130' 16010-1858 HDS2257 distance=133' 15592-1734 TDS9711 distance=136' 15423-1929 HU 653 distance=136' 15538-1644 OCC 985 distance=137' 16014-1937 USD 315 distance=144' 15531-1634 HDS2237AB distance=144' 15531-1634 HDS2237Aa,Ab distance=144' 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 15516-1856 OCC 452 -1 0.3 0
Show 15506-1831 GWP2557 50 34.9 29
Show 15533-1924 VSP 46 216 0.0 37
Show 15491-1844 ARA 431 141 12.2 38
Show 15488-1857 GWP2555 304 98.2 41
Show 15501-1809 OCC 51 -1 0.1 53
Show 15550-1923 HU 1274 114 0.4 55
Show 15527-1956 RST2983 51 1.5 62
Show 15476-1829 UC 3067 242 48.4 64
Show 15470-1908 HU 656 16 1.4 67
Show 15568-1854 BRT1495 354 3.7 74
Show 15575-1903 USD 178 124 1.0 84
Show 15564-1805 LDS4603 38 3.6 86
Show 15481-1747 LSC 60 306 0.7 87
Show 15570-1951 KSA 117 297 0.5 94
Show 15454-1820 KPP1438 0 10.8 96
Show 15583-1837 LAF 90 352 5.6 98
Show 15543-1726 J 1588 BC 145 16.9 99
Show 15543-1726 J 1588 AB 168 9.0 99
Show 15515-2035 OCC 689 -1 0.4 99
Show 15512-2038 BRT1494 103 5.1 103
Show 15524-1714 SKI 9 AB 270 2.4 103
Show 15524-1714 FOX9010 AC 284 41.2 103
Show 15564-2016 TOK 735 177 0.2 105
Show 15590-1844 KSA 121 AB 56 0.9 106
Show 15590-1844 KSA 121 AC 319 3.3 106
Show 15566-2017 KPP 357 20 3.8 108
Show 15592-1851 USD 235 183 14.6 108
Show 15506-2043 RSS 387 209 22.5 108
Show 15567-1736 LDS4605 135 28.6 109
Show 15473-2028 TOK 675 AB 85 167.3 111
Show 15443-1943 HU 654 14 1.1 114
Show 15597-1848 GWP2573 92 12.8 115
Show 15537-2049 SKF1642 68 1.1 117
Show 15588-1758 MET 66 226 9.1 118
Show 15448-2003 B 2366 22 1.4 118
Show 15548-2049 RST2985 83 1.7 122
Show 15591-1956 SHJ 213 AB 318 17.8 122
Show 16008-1928 USD 299 129 0.6 123
Show 15567-2040 TOK 737 39 1.4 126
Show 15549-1658 ALD 57 98 5.3 128
Show 15564-2046 OCC 399 -1 0.0 129
Show 15469-1707 HDS2221 68 0.2 130
Show 16002-1811 UC 3102 155 115.3 130
Show 16010-1858 HDS2257 231 0.4 133
Show 15592-1734 TDS9711 248 0.6 136
Show 15423-1929 HU 653 177 4.3 136
Show 15538-1644 OCC 985 -1 0.1 137
Show 16014-1937 USD 315 110 0.4 144
Show 15531-1634 HDS2237 AB 295 0.4 144
Show 15531-1634 HDS2237 Aa,Ab 247 0.0 144

 
 
WDS 15516-1856 : COMPONENTS
 
 
  A
B pa=0.0°
sep=0.00"
 
 
15516-1856 A
 
 
Name HD 141812 Coord arcsec 2000 155138.08-185621.7 Mag 7.4 Spectral class K0III (yellow-orange)
PmRA -18.00 PmDE -40.0 SAO 159540 HIP 77688
Tycho2 6194-01445-1 HD 141812 BD BD-18 4182
Tycho2
Tycho2 6194-01445-1 Pflag RAmdeg 237.90863838 DEmdeg -18.93946148
PmRA -18.2 PmDE -39.6 E RAmdeg 5 E DEmdeg 6
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.95 EpDEm 1990.43
Num 18 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.4 BTmag 8.767 E BTmag 0.019 VTmag 7.433
E VTmag 0.011 Prox 999 TYC T HIP 77688
CCDM RAdeg 237.90868278 DEdeg -18.93936667 EpRA 1990 1.71
EpDE 1990 1.38 E RAdeg 5.0 E DEdeg 6.4 Posflg
Corr 0.1
SAO
SAO 159540 DelFlag RA1950 PmRA1950 -0.0023
DE1950 PmDE1950 -0.046 Vmag 7 SpType K0
Double code Source 22 CatNum 6556 DM BD-18 4182
DMcomp BDsup HD 141812 M HD 0
GC RA1950rad 4.13970746 DE1950rad -0.32793866 PmRA2000 -0.0022
PmDE2000 -0.042
Hipparcos
Catalog H HIP 77688 Proxy RAhms 15 51 38.08
DEdms -18 56 21.7 Vmag 7.3 VarFlag R Vmag H
RAdeg 237.909 DEdeg -18.9394 AstroRef Plx 6.65
CCDM -17.48 N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-18 4182
CD CP Dm number -18 4182 VIred 1.1
SpType K0III R SpType Coord arcsec 2000 155138.08-185621.7
Hipparcos 2
HIP 77688 Sn 5 So 0 Nc 1
RArad 4.1522898489 DErad -0.3305542787 Plx 6.71 PmRA -15.89
PmDE -39.92 E RArad 0.71 E DErad 0.37 E Plx 0.71
E pmRA 0.81 E pmDE 0.65 Hpmag E Hpmag 0.0009
SHp 0.006 VA 0 BV 1.162 E BV 0.013
VI 1.12
 
 
15516-1856 B
 
 
Coord arcsec 2000 155138.08-185621.7 Mag 7.9 Delta magnitude 0.5 Coordinate calculated yes