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Doubles in session


Current system
02580-1550
HU 811 AB
HD 18498


Nearby doubles
27' : 02583-1616
LDS5407AB

34' : 02560-1607
ARA 16

37' : 02558-1606
GWP 398

39' : 02586-1628
GWP 407

44' : 02559-1521
LDS3441

44' : 02551-1603
HDS 373

58' : 02585-1453
GWP 405

60' : 02546-1623
ARA 15

64' : 02537-1603
A 2907

72' : 03019-1633
RST2292AB

74' : 03025-1516
HJL1114

79' : 02596-1436
LDS3445

82' : 02524-1546
LDS5398

95' : 02564-1722
LDS3442

100' : 02514-1526
GWP 382

111' : 02537-1421
GAL 80

112' : 03013-1410
TDS2415

113' : 03014-1409
GWP 410

118' : 02550-1402
GAL 328AB

123' : 03043-1428
TDS2435

124' : 03015-1743
B 1927

127' : 03042-1421
LDS5410

127' : 02533-1737
TSN 105

131' : 02575-1340
UC 907

132' : 03012-1753
HJ 3546

133' : 03054-1432
GWP 418



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.

02580-1550 HU 811 AB (HD 18498)

 
 
02h 58m 02.43s -15° 50' 17.5" P.A. 239.00 sep 1.7 mag 8.13,10.22 Sp F5V dist. 83.4 pc (272.05 l.y.)
 
 
Coord 2000 02580-1550 Discov num HU  811 Comp AB Coord arcsec 2000 02 58 02.43 -15 50 17.5
Date first 1903 Date last 2016 Obs 14
Pa first 221 Pa last 239.4 P.A. Now (θ) 239.4°
Sep first 2.1 Sep last 1.697 Sep. Now (ρ) 1.697"
Mag pri 8.13 Mag sec 10.22 delta mag (ΔM) 2.09 Spectral class F5V (yellow-white)
Pri motion ra +159 Sec motion ra +155
Pri motion dec +146 Sec motion dec +137
Notes
rPM=0.046 (< 0.3, Physical double)
This double is physical.
 
 
02580-1550 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 18498 148689 02 58 02 -15 50 18 HU 811 AB 2016 14 239 1.7 8.13 10.22 2.09 <===
Show 148689 02 58 02 -15 50 18 WIS 78 AC 2010 2 351 144.0 6.61 13.06 6.45
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 18498 Constellation Eridanus SAO 148689 HIP 13831
Tycho2 5864-00954-1 Gaia DR2 5154129495875420544 HD 18498 GC 3571
ADS 2247 BD BD-16 538 Distance 83.4 Distance ly 272.05
 
 
WDS 02580-1550 HU 811 AB (HD 18498) : 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.
WIS WISE (Wide-field Infrared Survey Explorer) .
WIS2010 Hw - Wright, E.L., Eisenhardt, P.R.M., Mainzer, A.K., Ressler, M.E., Cutri, R.M., 2010AJ....140.1868W
WIS2010 Jarrett, T., Kirkpatrick, J.D., Padgett, D., McMillan, R.S., Skrutskie, M.,
WIS2010 Stanford, S. A., Cohen, M., Walker, R.G., et al.
WIS2010 AJ 140, 1868, 2010
WIS2010 (Note: default date of 2010.5 given for all measures)
WIS2012 Hw - Cutri, R.M., Wright, E.L., Conrow, T., Bauer, J., Benford, D., Brandenburg, H., 2012yCat.2311....0C
WIS2012 Dailey, J., Eisenhardt, P.R.M., Evans, T., Fajardo-Acosta, S., Fowler, J.,
WIS2012 Gelino, C., et al.
WIS2013 Hw j Cutri, R.M. et al. 2013yCat.2328....0C
WIS2013 AllWISE Data Release. Vizier On-line Data Catalog: II/328
WIS2014 Hw j Kirkpatrick, J.D., Schneider, A., Fajardo-Acosta, S., Gelino, C.R., Mace, G.N., 2014ApJ...783..122K
WIS2014 Wright, E.L., Logsdon, S.E., McLean, I.S., Cushing, M.C., Skrutskie, M.F.,
WIS2014 Eisenhardt, P.R., Stern, D., et al.
WIS2014 ApJ 783, 122, 2014 (AllWISE Motion Survey, part 1)
WIS2016 Hw j Kirkpatrick, J.D., Kellogg, K., Schneider, A.C., Fajardo-Acosta, S., Cushing, M., 2016ApJS..224...36K
WIS2016 +E2 Greco, J., Mace, G.N., Gelino, C.R., Wright, E.L., Eisenhardt, P.R.M., Stern, D.,
WIS2016 Faherty, J.K., et al.
WIS2016 ApJS 224, 36, 2016 (AllWISE Motion Survey, part 2)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02580-1550 HU 811 AB 2001 12 235 1.8 8.13 10.22 F5V 025802.43-155017.5
02580-1550 HU 811 AB 2015 13 239 1.7 8.13 10.22 F5V 025802.43-155017.5
02580-1550 HU 811 AB 2016 14 239 1.7 8.13 10.22 F5V 025802.43-155017.5

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

 
 
WDS 02580-1550 HU 811 AB (HD 18498) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02580-1550 HU 811 AB (HD 18498) : MEASURES
 
 
No records found.

 
 
WDS 02580-1550 (HD 18498) : VIRTUAL EYEPIECE
 
 

02580-1550 HU 811A mag 8.13 Sp F5V 02580-1550 HU 811B sep 1.6 P.A. 238.40 mag 10.22 02580-1550 WIS 78C sep 143.9 P.A. 351.50 mag 13.06 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 02580-1550 (HD 18498) : ALADIN DSS IMAGE @ 02h 58m 02.43s -15° 50' 17.5"
 
 
 
 
WDS 02580-1550 HU 811 AB (HD 18498) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02580-1550 HU 811AB distance=1' 02580-1550 WIS 78AC distance=1' 02583-1616 LDS5407AB distance=27' 02583-1616 LDS5407Aa,Ab distance=27' 02560-1607 ARA 16 distance=34' 02558-1606 GWP 398 distance=37' 02586-1628 GWP 407 distance=39' 02559-1521 LDS3441 distance=44' 02551-1603 HDS 373 distance=44' 02585-1453 GWP 405 distance=58' 02546-1623 ARA 15 distance=60' 02537-1603 A 2907 distance=64' 03019-1633 RST2292BC distance=72' 03019-1633 RST2292AB distance=72' 03019-1633 RST2292AC distance=72' 03025-1516 HJL1114 distance=74' 02596-1436 LDS3445 distance=79' 02524-1546 LDS5398 distance=82' 02564-1722 LDS3442 distance=95' 02514-1526 GWP 382 distance=100' 02537-1421 GAL 80 distance=111' 03013-1410 TDS2415 distance=112' 03014-1409 GWP 410 distance=113' 02550-1402 HDS 372Aa,Ab distance=118' 02550-1402 GAL 328AB distance=118' 03043-1428 TDS2435 distance=123' 03015-1743 B 1927 distance=124' 03042-1421 LDS5410 distance=127' 02533-1737 TSN 105 distance=127' 02575-1340 UC 907 distance=131' 03012-1753 HJ 3546 distance=132' 03054-1432 GWP 418 distance=133' 02563-1816 GWP 400 distance=148' 02504-1733 B 1926 distance=151' 02490-1432 KPP2871 distance=153' 02491-1712 GWP 373 distance=153' 03012-1816 GWP 408 distance=153' 03020-1812 YSC 175 distance=154' 02474-1536 BRT 606 distance=155' 03038-1340 CVR1735 distance=155' 02578-1826 RSS 61 distance=156' 02472-1523 BU 1002 distance=160' 03042-1335 RST3376 distance=163' 02542-1826 LDS3437 distance=165' 02483-1421 LDS5395 distance=166' 02472-1646 LDS5394 distance=167' 03087-1432 GWP 426 distance=173' 03073-1346 CRJ 7 distance=184' 02474-1733 GWP 369AB distance=185' 02474-1733 SKF2168AC distance=185' 02456-1508 BRT 605 distance=185' 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 02580-1550 HU 811 AB 239 1.7 1
Show 02580-1550 WIS 78 AC 351 144.0 1
Show 02583-1616 LDS5407 AB 93 241.9 27
Show 02583-1616 LDS5407 Aa,Ab 65 3.3 27
Show 02560-1607 ARA 16 233 8.0 34
Show 02558-1606 GWP 398 56 81.4 37
Show 02586-1628 GWP 407 279 12.0 39
Show 02559-1521 LDS3441 23 18.3 44
Show 02551-1603 HDS 373 137 0.5 44
Show 02585-1453 GWP 405 97 398.9 58
Show 02546-1623 ARA 15 6 11.7 60
Show 02537-1603 A 2907 128 1.7 64
Show 03019-1633 RST2292 BC 317 1.2 72
Show 03019-1633 RST2292 AB 317 1.1 72
Show 03019-1633 RST2292 AC 313 6.1 72
Show 03025-1516 HJL1114 200 0.0 74
Show 02596-1436 LDS3445 337 9.8 79
Show 02524-1546 LDS5398 105 114.7 82
Show 02564-1722 LDS3442 290 12.2 95
Show 02514-1526 GWP 382 82 66.7 100
Show 02537-1421 GAL 80 155 6.1 111
Show 03013-1410 TDS2415 301 5.6 112
Show 03014-1409 GWP 410 267 53.2 113
Show 02550-1402 HDS 372 Aa,Ab 150 0.3 118
Show 02550-1402 GAL 328 AB 278 11.3 118
Show 03043-1428 TDS2435 57 1.0 123
Show 03015-1743 B 1927 236 0.9 124
Show 03042-1421 LDS5410 302 14.9 127
Show 02533-1737 TSN 105 180 102.2 127
Show 02575-1340 UC 907 277 65.1 131
Show 03012-1753 HJ 3546 82 8.7 132
Show 03054-1432 GWP 418 248 21.4 133
Show 02563-1816 GWP 400 287 65.9 148
Show 02504-1733 B 1926 163 0.3 151
Show 02490-1432 KPP2871 99 8.4 153
Show 02491-1712 GWP 373 167 117.3 153
Show 03012-1816 GWP 408 198 84.3 153
Show 03020-1812 YSC 175 280 0.1 154
Show 02474-1536 BRT 606 331 3.0 155
Show 03038-1340 CVR1735 249 131.0 155
Show 02578-1826 RSS 61 356 31.1 156
Show 02472-1523 BU 1002 356 1.5 160
Show 03042-1335 RST3376 146 1.2 163
Show 02542-1826 LDS3437 271 57.2 165
Show 02483-1421 LDS5395 120 214.4 166
Show 02472-1646 LDS5394 315 93.4 167
Show 03087-1432 GWP 426 65 3.1 173
Show 03073-1346 CRJ 7 239 1.6 184
Show 02474-1733 GWP 369 AB 352 69.8 185
Show 02474-1733 SKF2168 AC 284 4.7 185
Show 02456-1508 BRT 605 209 4.1 185

 
 
WDS 02580-1550 : COMPONENTS
 
 
  A B
B pa=238.4°
sep=1.65"
 
C pa=351.5°
sep=143.91"
pa=352.1°
sep=144.56"
 
 
02580-1550 A
 
 
Name HD 18498 Coord arcsec 2000 025802.43-155017.5 Mag 8.13 Spectral class F5V (yellow-white)
PmRA 159.00 PmDE 146.0 SAO 148689 HIP 13831
Tycho2 5864-00954-1 HD 18498 GC 3571 ADS 2247
BD BD-16 538
Tycho2
Tycho2 5864-00954-1 Pflag P RAmdeg 44.51008741 DEmdeg -15.83823733
PmRA 155.0 PmDE 137.4 E RAmdeg 7 E DEmdeg 7
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.58 EpDEm 1991.52
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.6 BTmag 8.611 E BTmag 0.019 VTmag 8.126
E VTmag 0.014 Prox 18 TYC T HIP 13831
CCDM A RAdeg 44.50973639 DEdeg -15.83854083 EpRA 1990 1.73
EpDE 1990 1.68 E RAdeg 6.9 E DEdeg 7.3 Posflg D
Corr 0.0
SAO
SAO 148689 DelFlag RA1950 PmRA1950 0.0111
DE1950 PmDE1950 0.135 Vmag 8.2 SpType G0
Double code Source 70 CatNum 3571 DM BD-16 538
DMcomp BDsup HD 18498 M HD 0
GC 3571 RA1950rad 0.76659924 DE1950rad -0.27995156 PmRA2000 0.0115
PmDE2000 0.132
Hipparcos
Catalog H HIP 13831 Proxy H RAhms 02 58 02.33
DEdms -15 50 18.8 Vmag 7.93 VarFlag R Vmag G
RAdeg 44.5097 DEdeg -15.8386 AstroRef A Plx 11.87
CCDM 02580-1550 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 235 Rho 1.783 HD 18498 BD BD-16 538
CD CP Dm number -16 538 VIred 0.6
SpType F5V R SpType Coord arcsec 2000 025802.33-155018.8
Hipparcos 2
HIP 13831 Sn 15 So 3 Nc 2
RArad 0.7768411682 DErad -0.276435002 Plx 11.99 PmRA 155.38
PmDE 143.23 E RArad 0.78 E DErad 0.9 E Plx 1.07
E pmRA 1.01 E pmDE 1.26 Hpmag 8.0381 E Hpmag 0.0018
SHp 0.011 VA 0 BV 0.529 E BV 0.015
VI 0.6
CCDM
Ccdm 02580-1550 RComp Comp A Note1
Note2 Discov num DRAs 2.52 DDEs -19.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp G0 PmNote *
PmRA 162 PmDE 136 Dm number -16 538 Cat1 BD
Name2 148689 Cat2 SAO HD 18498 M HD
ADS BDS A 2247 M ADS BDS N IDS IDS 02534S1615A
HIC 13831
 
 
02580-1550 B
 
 
Coord arcsec 2000 025802.33-155018.4 Mag 10.22 PmRA 155.00 PmDE 137.0
Tycho2 5864-00954-2 Calc delta mag 2.09 Calc coord yes
Tycho2
Tycho2 5864-00954-2 Pflag P RAmdeg 44.51008741 DEmdeg -15.83823733
PmRA 155.0 PmDE 137.4 E RAmdeg 7 E DEmdeg 7
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.58 EpDEm 1991.52
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.6 BTmag 11.198 E BTmag 0.078 VTmag 10.219
E VTmag 0.048 Prox 18 TYC HIP 13831
CCDM B RAdeg 44.50933389 DEdeg -15.83884528 EpRA 1990 1.74
EpDE 1990 1.68 E RAdeg 36.2 E DEdeg 38.9 Posflg D
Corr 0.0
CCDM
Ccdm 02580-1550 RComp Comp B Note1
Note2 Discov num HU 811 DRAs DDEs
R dRAs Year 1946 Theta 226 Rho 1.8
Obs 5 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2247 M ADS BDS N IDS IDS 02534S1615B
HIC 13831
 
 
02580-1550 C
 
 
Coord arcsec 2000 025800.96-154755.2 Mag 13.06 PmRA 166.00 PmDE 148.0
Calc delta mag 4.93 Calc coord yes