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Current system
13044-1316
HU 642 AB


Nearby doubles
20' : 13046-1256
WT 1978

27' : 13062-1310
GWP1908

28' : 13062-1327
UC 2479

34' : 13027-1254
GWP1894

46' : 13038-1231
GWP1897

47' : 13036-1231
GWP1896

51' : 13079-1323
GWP1911

52' : 13060-1402
GWP1905

58' : 13064-1405
UC 2480

67' : 13083-1350
RST3821

69' : 13031-1210
HU 137

72' : 13004-1236
GWP1888

72' : 13085-1235
GWP1918

73' : 13077-1411
TOK 286AB

74' : 13095-1313
BRT2732

75' : 13076-1415
RST3820

93' : 13105-1247
GWP1927

98' : 12578-1308
STN 27

100' : 13040-1136
GWP1898

103' : 13107-1402
GWP1930

105' : 13112-1351
RST3823

112' : 13054-1506
RST3819

113' : 13104-1427
FAR 64

119' : 13097-1145
KPP 285

122' : 12577-1428
SKF 227

123' : 13120-1224
RST3824



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.

13044-1316 HU 642 AB

 
 
13h 04m 26.98s -13° 15' 45.8" P.A. 41.00 sep 0.5 mag 10.66,10.41 Sp G0 dist. 132.28 pc (431.5 l.y.)
 
 
Coord 2000 13044-1316 Discov num HU  642 Comp AB Coord arcsec 2000 13 04 26.98 -13 15 45.8
Date first 1900 Date last 2019 Obs 36
Pa first 203 Pa last 40.9 P.A. Now (θ) 40.9°
Sep first 0.3 Sep last 0.504 Sep. Now (ρ) 0.504"
Mag pri 10.66 Mag sec 10.41 delta mag (ΔM) 0.25 Spectral class G0 (yellow)
Pri motion ra -053 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
13044-1316 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 13 04 27 -13 15 46 HU 642 AB 2019 36 41 0.5 10.66 10.41 0.25 Y <===
Show 13 04 27 -13 15 46 HU 642 AC 2019 3 17 1.6 10.66 14.20 3.54
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo HIP 63789 Tycho2 5542-00477-1 ADS 8762
BD BD-12 3747 Distance 132.28 Distance ly 431.5
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier13044-1316 HU 642
coord_arcsec_2000130426.98-131545.8
Period (P)660y± 80 Periastron (T)1955y± 2 Semi-major axis (a)0.705a± 0.048
Eccentricity (e)0.408± 0.057 Inclination (i)106.9°± 1 Longitude of periastron (ω)124.8°± 2.2
Node (Ω)47.5°± 1 Notes ReferenceDoc2018l
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 226.7 0.482
2001 226.4 0.484
2002 226.1 0.486
2003 225.8 0.488
2004 225.5 0.490
2005 225.2 0.492
2006 224.9 0.493
2007 224.6 0.494
2008 224.3 0.496
2009 224.1 0.497
2010 223.8 0.498
2011 223.5 0.499
2012 223.2 0.500
2013 222.9 0.501
2014 222.6 0.501
2015 222.3 0.502
2016 222.0 0.502
2017 221.8 0.503
2018 221.5 0.503
2019 221.2 0.503
2020 220.9 0.503
2021 220.6 0.503
2022 220.3 0.503
2023 220.0 0.503
2024 219.8 0.503
2025 219.5 0.502
2026 219.2 0.502
2027 218.9 0.501
2028 218.6 0.501
2029 218.3 0.500
2030 218.0 0.499


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds13044-1316c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 13044-1316 HU 642 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 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
13044-1316 HU 642 AB 2018 31 41 0.5 10.66 10.41 G0 O 130426.98-131545.8
13044-1316 HU 642 AB 2019 32 41 0.5 10.66 10.41 G0 O 130426.98-131545.8

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

 
 
WDS 13044-1316 HU 642 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13044-1316 HU 642 AB : MEASURES
 
 
No records found.

 
 
WDS 13044-1316 : VIRTUAL EYEPIECE
 
 

13044-1316 HU 642A mag 10.66 Sp G0 13044-1316 HU 642B sep 0.5 P.A. 40.10 mag 10.41 13044-1316 HU 642C sep 1.6 P.A. 16.80 mag 14.2 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 13044-1316 : ALADIN DSS IMAGE @ 13h 04m 26.98s -13° 15' 45.8"
 
 
 
 
WDS 13044-1316 HU 642 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13044-1316 HU 642AB distance=0' 13046-1256 WT 1978 distance=20' 13062-1310 GWP1908 distance=27' 13062-1327 UC 2479 distance=28' 13027-1254 GWP1894 distance=34' 13038-1231 GWP1897 distance=46' 13036-1231 GWP1896 distance=47' 13079-1323 GWP1911 distance=51' 13060-1402 GWP1905 distance=52' 13064-1405 UC 2480 distance=58' 13083-1350 RST3821 distance=67' 13031-1210 HU 137 distance=69' 13004-1236 GWP1888 distance=72' 13085-1235 GWP1918 distance=72' 13077-1411 TOK 286AB distance=73' 13077-1411 TOK 286AC distance=73' 13077-1411 GWP1910AD distance=73' 13095-1313 BRT2732 distance=74' 13076-1415 RST3820 distance=75' 13105-1247 GWP1927 distance=93' 12578-1308 STN 27 distance=98' 13040-1136 GWP1898 distance=100' 13107-1402 GWP1930 distance=103' 13112-1351 RST3823 distance=105' 13054-1506 RST3819 distance=112' 13104-1427 FAR 64 distance=113' 13097-1145 KPP 285 distance=119' 12577-1428 SKF 227 distance=122' 13120-1224 RST3824 distance=123' 12560-1257 SKF2542AB distance=125' 12560-1257 SJM 1Aa,Ab distance=125' 13127-1354 BRT2733 distance=126' 12595-1133 RST3817 distance=126' 12558-1336 UC 2433 distance=128' 13133-1327 GWP1943 distance=130' 13126-1224 RST3825 distance=130' 13050-1106 GWP1904 distance=131' 13133-1328 OCC 218 distance=131' 13079-1519 GWP1912AB distance=134' 13079-1519 GWP1913AC distance=134' 12589-1128 UC 2443 distance=135' 13130-1223 LDS6274 distance=135' 12567-1157 OCC 329Aa,Ab distance=139' 12567-1157 RST3816AB distance=139' 12547-1311 GWP1876 distance=143' 13135-1213 GWP1944 distance=147' 13150-1239 GWP1954 distance=159' 13127-1500 BRT 579 distance=159' 13061-1038 GWP1906 distance=160' 12531-1318 HDS1807 distance=166' 13109-1058 GWP1932 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 13044-1316 HU 642 AB 41 0.5
Show 13044-1316 HU 642 AC 17 1.6
Show 13046-1256 WT 1978 207 1.9 20
Show 13062-1310 GWP1908 269 10.2 27
Show 13062-1327 UC 2479 44 54.0 28
Show 13027-1254 GWP1894 268 21.0 34
Show 13038-1231 GWP1897 24 13.6 46
Show 13036-1231 GWP1896 57 21.2 47
Show 13079-1323 GWP1911 289 108.0 51
Show 13060-1402 GWP1905 142 267.1 52
Show 13064-1405 UC 2480 140 19.1 58
Show 13083-1350 RST3821 159 3.3 67
Show 13031-1210 HU 137 116 3.6 69
Show 13004-1236 GWP1888 305 15.7 72
Show 13085-1235 GWP1918 66 10.8 72
Show 13077-1411 TOK 286 AB 208 63.2 73
Show 13077-1411 TOK 286 AC 11 999.9 73
Show 13077-1411 GWP1910 AD 252 59.2 73
Show 13095-1313 BRT2732 282 4.1 74
Show 13076-1415 RST3820 253 0.8 75
Show 13105-1247 GWP1927 317 38.8 93
Show 12578-1308 STN 27 70 2.1 98
Show 13040-1136 GWP1898 20 670.6 100
Show 13107-1402 GWP1930 114 223.3 103
Show 13112-1351 RST3823 304 2.1 105
Show 13054-1506 RST3819 168 2.8 112
Show 13104-1427 FAR 64 165 2.1 113
Show 13097-1145 KPP 285 88 4.6 119
Show 12577-1428 SKF 227 297 6.3 122
Show 13120-1224 RST3824 34 1.1 123
Show 12560-1257 SKF2542 AB 216 7.4 125
Show 12560-1257 SJM 1 Aa,Ab 141 0.1 125
Show 13127-1354 BRT2733 96 3.7 126
Show 12595-1133 RST3817 145 1.6 126
Show 12558-1336 UC 2433 137 5.7 128
Show 13133-1327 GWP1943 109 12.6 130
Show 13126-1224 RST3825 202 1.6 130
Show 13050-1106 GWP1904 38 18.5 131
Show 13133-1328 OCC 218 -1 0.1 131
Show 13079-1519 GWP1912 AB 298 10.4 134
Show 13079-1519 GWP1913 AC 312 139.2 134
Show 12589-1128 UC 2443 247 17.5 135
Show 13130-1223 LDS6274 339 6.4 135
Show 12567-1157 OCC 329 Aa,Ab -1 0.1 139
Show 12567-1157 RST3816 AB 84 6.8 139
Show 12547-1311 GWP1876 345 46.9 143
Show 13135-1213 GWP1944 243 8.4 147
Show 13150-1239 GWP1954 137 77.9 159
Show 13127-1500 BRT 579 58 2.8 159
Show 13061-1038 GWP1906 211 312.0 160
Show 12531-1318 HDS1807 124 0.4 166

 
 
WDS 13044-1316 : COMPONENTS
 
 
  A B
B pa=40.1°
sep=0.50"
 
C pa=16.8°
sep=1.55"
pa=6.5°
sep=1.11"
 
 
13044-1316 A
 
 
Coord arcsec 2000 130426.98-131545.8 Mag 10.66 Spectral class G0 (yellow) PmRA -53.00
PmDE -11.0 HIP 63789 BD BD-12 3747
Hipparcos
Catalog H HIP 63789 Proxy H RAhms 13 04 26.98
DEdms -13 15 45.8 Vmag 9.66 VarFlag R Vmag G
RAdeg 196.112 DEdeg -13.2627 AstroRef B Plx 7.88
CCDM 13044-1316 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 48 Rho 0.425 HD BD BD-12 3747
CD CP Dm number -12 3747 VIred 0.76
SpType G0 R SpType Coord arcsec 2000 130426.98-131545.8
Hipparcos 2
HIP 63789 Sn 15 So 3 Nc 2
RArad 3.4228071869 DErad -0.2314780214 Plx 7.56 PmRA -55.5
PmDE -9.65 E RArad 2.74 E DErad 1.31 E Plx 2.14
E pmRA 3.36 E pmDE 1.5 Hpmag 9.7747 E Hpmag 0.0027
SHp 0.022 VA 0 BV 0.71 E BV 0.015
VI 0.76
CCDM
Ccdm 13044-1316 RComp Comp A Note1
Note2 Discov num DRAs 2.95 DDEs 15.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp G0 PmNote *
PmRA -60 PmDE -3 Dm number -12 3747 Cat1 BD
Name2 157698 Cat2 SAO HD M HD
ADS BDS A 8762 M ADS BDS N IDS IDS 12592S1243A
HIC 63789
 
 
13044-1316 B
 
 
Coord arcsec 2000 130427.00-131545.4 Mag 10.41 Tycho2 5542-00477-1 Calc delta mag 0.25
Calc coord yes
Tycho2
Tycho2 5542-00477-1 Pflag RAmdeg 196.11229650 DEmdeg -13.26270168
PmRA -56.1 PmDE -9.8 E RAmdeg 18 E DEmdeg 23
E pmRA 1.4 E pmDE 1.5 EpRAm 1985.98 EpDEm 1983.63
Num 8 Q RAmdeg 1.4 Q DEmdeg 0.7 Q pmRA 1.5
Q pmDE 0.7 BTmag 10.556 E BTmag 0.047 VTmag 9.733
E VTmag 0.034 Prox 999 TYC T HIP 63789
CCDM AB RAdeg 196.11242222 DEdeg -13.26267944 EpRA 1990 1.74
EpDE 1990 1.56 E RAdeg 21.1 E DEdeg 27.7 Posflg P
Corr 0.0
CCDM
Ccdm 13044-1316 RComp Comp B Note1 *
Note2 Discov num HU 642 DRAs DDEs
R dRAs Year 1900 Theta Rho
Obs 10 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8762 M ADS BDS N IDS IDS 12592S1243B
HIC 63789
 
 
13044-1316 C
 
 
Coord arcsec 2000 130427.01-131544.3 Mag 14.2 Calc delta mag 3.54 Calc coord yes