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Doubles in session


Current system
09425+1813
HJ 2502
HD 83981


Nearby doubles
11' : 09425+1803
TDS6757

14' : 09417+1805
GWP1214

25' : 09415+1753
A 2481

26' : 09411+1756
A 2480

42' : 09396+1823
COU 387

46' : 09425+1728
GRV1288

49' : 09445+1852
HJ 469

66' : 09470+1820
SKF1723

67' : 09432+1919
GRV 797

69' : 09423+1705
STT 206

74' : 09438+1924
KPP 592

84' : 09395+1701
SLW 377

88' : 09404+1936
KU 98

93' : 09448+1940
HJ 470

94' : 09450+1647
CVR1238

96' : 09364+1856
COU 386AB

97' : 09435+1948
GWP1223

99' : 09357+1836
COU 385

100' : 09493+1824
LDS3933

101' : 09494+1832
HDS1419

102' : 09368+1914
HJ 468

105' : 09426+1958
COU 283

108' : 09356+1729
BPM 563

112' : 09402+1627
KPP2619

118' : 09472+1950
CVR1241

118' : 09467+1632
TOK 531



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.

09425+1813 HJ 2502 (HD 83981)

 
 
09h 42m 27.47s +18° 13' 24.3" P.A. 17.00 sep 10.4 mag 9.34,10.30 Sp A
 
 
Coord 2000 09425+1813 Discov num HJ 2502 Comp Coord arcsec 2000 09 42 27.47 +18 13 24.3
Date first 1831 Date last 2016 Obs 15
Pa first 13 Pa last 16.6 P.A. Now (θ) 16.6°
Sep first 10.0 Sep last 10.421 Sep. Now (ρ) 10.421"
Mag pri 9.34 Mag sec 10.30 delta mag (ΔM) 0.96 Spectral class A (white)
Pri motion ra +004 Sec motion ra +002
Pri motion dec -001 Sec motion dec -001
Notes
rPM=0.485
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 83981 Constellation Leo SAO 98725 Tycho2 1413-00019-1
Gaia DR2 621273792530376448 HD 83981
 
 
WDS 09425+1813 HJ 2502 (HD 83981) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
09425+1813 HJ 2502 1998 4 16 10.5 9.34 10.30 A D 094227.47+181324.3
09425+1813 HJ 2502 2010 7 17 10.5 9.34 10.30 A D 094227.47+181324.3
09425+1813 HJ 2502 2015 9 17 10.4 9.34 10.30 A 094227.47+181324.3
09425+1813 HJ 2502 2016 15 17 10.4 9.34 10.30 A 094227.47+181324.3

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

 
 
WDS 09425+1813 HJ 2502 (HD 83981) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09425+1813 HJ 2502 (HD 83981) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 15/03/30 g.locatelli mean difficulty 10.00 0.18 17.00 0.65 2.90 1 Unfiltered mag pri 8.5 sec 11.4
 
 
WDS 09425+1813 (HD 83981) : VIRTUAL EYEPIECE
 
 

09425+1813 HJ 2502A mag 9.34 Sp A 09425+1813 HJ 2502B sep 10.4 P.A. 15.80 mag 10.3 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 09425+1813 (HD 83981) : ALADIN DSS IMAGE @ 09h 42m 27.47s +18° 13' 24.3"
 
 
 
 
WDS 09425+1813 HJ 2502 (HD 83981) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09425+1813 HJ 2502 distance=0' 09425+1803 TDS6757 distance=11' 09417+1805 GWP1214 distance=14' 09415+1753 A 2481 distance=25' 09411+1756 A 2480 distance=26' 09396+1823 COU 387 distance=42' 09425+1728 GRV1288 distance=46' 09445+1852 HJ 469 distance=49' 09470+1820 SKF1723 distance=66' 09432+1919 GRV 797 distance=67' 09423+1705 STT 206 distance=69' 09438+1924 KPP 592 distance=74' 09395+1701 SLW 377 distance=84' 09404+1936 KU 98 distance=88' 09448+1940 HJ 470 distance=93' 09450+1647 CVR1238 distance=94' 09364+1856 CHR 248Aa,Ab distance=96' 09364+1856 COU 386AB distance=96' 09435+1948 GWP1223 distance=97' 09357+1836 COU 385 distance=99' 09493+1824 LDS3933 distance=100' 09494+1832 HDS1419 distance=101' 09368+1914 HJ 468 distance=102' 09426+1958 COU 283 distance=105' 09356+1729 BPM 563 distance=108' 09402+1627 KPP2619 distance=112' 09472+1950 CVR1241 distance=118' 09467+1632 TOK 531 distance=118' 09347+1858 CVR1230 distance=120' 09514+1808 SLW 399 distance=127' 09506+1914 CVR1246 distance=130' 09516+1825 UC 1838 distance=131' 09500+1658 COU 937 distance=132' 09484+1631 UC 1832 distance=133' 09389+2018 OCC 701AB distance=135' 09389+2018 DAM1681AB,C distance=135' 09499+1650 STT 207 distance=135' 09346+1656 GWP1198 distance=137' 09509+1919 STTA103AB distance=137' 09509+1919 STTA103AC distance=137' 09509+1919 STTA103BC distance=138' 09517+1729 LBU 13AB distance=139' 09517+1729 DAM 14AC distance=139' 09517+1729 LBU 13AD distance=139' 09499+1947 COU 285 distance=142' 09371+1614 STF1372AB distance=143' 09371+1614 LSC 122A,Bb distance=143' 09500+1634 STF1385 distance=147' 09528+1821 ZUC 7 distance=147' 09434+1543 SKF2686 distance=151' 09347+1627 A 2478AB distance=154' 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 09425+1813 HJ 2502 17 10.4
Show 09425+1803 TDS6757 128 0.4 11
Show 09417+1805 GWP1214 31 314.9 14
Show 09415+1753 A 2481 342 0.4 25
Show 09411+1756 A 2480 338 1.2 26
Show 09396+1823 COU 387 257 0.6 42
Show 09425+1728 GRV1288 20 29.8 46
Show 09445+1852 HJ 469 262 30.3 49
Show 09470+1820 SKF1723 320 1.5 66
Show 09432+1919 GRV 797 343 57.6 67
Show 09423+1705 STT 206 224 17.9 69
Show 09438+1924 KPP 592 155 5.5 74
Show 09395+1701 SLW 377 82 126.4 84
Show 09404+1936 KU 98 341 56.7 88
Show 09448+1940 HJ 470 212 22.4 93
Show 09450+1647 CVR1238 244 3.6 94
Show 09364+1856 CHR 248 Aa,Ab 242 0.1 96
Show 09364+1856 COU 386 AB 231 0.8 96
Show 09435+1948 GWP1223 50 126.1 97
Show 09357+1836 COU 385 153 0.7 99
Show 09493+1824 LDS3933 85 7.9 100
Show 09494+1832 HDS1419 173 0.0 101
Show 09368+1914 HJ 468 305 15.9 102
Show 09426+1958 COU 283 51 0.6 105
Show 09356+1729 BPM 563 122 111.6 108
Show 09402+1627 KPP2619 222 24.1 112
Show 09472+1950 CVR1241 260 3.5 118
Show 09467+1632 TOK 531 243 999.9 118
Show 09347+1858 CVR1230 57 3.6 120
Show 09514+1808 SLW 399 243 75.3 127
Show 09506+1914 CVR1246 142 3.6 130
Show 09516+1825 UC 1838 162 23.7 131
Show 09500+1658 COU 937 117 1.5 132
Show 09484+1631 UC 1832 328 30.6 133
Show 09389+2018 OCC 701 AB -1 0.1 135
Show 09389+2018 DAM1681 AB,C 123 10.0 135
Show 09499+1650 STT 207 321 24.8 135
Show 09346+1656 GWP1198 322 45.7 137
Show 09509+1919 STTA103 AB 130 79.9 137
Show 09509+1919 STTA103 AC 179 105.1 137
Show 09509+1919 STTA103 BC 228 79.9 138
Show 09517+1729 LBU 13 AB 302 55.4 139
Show 09517+1729 DAM 14 AC 296 92.0 139
Show 09517+1729 LBU 13 AD 299 106.1 139
Show 09499+1947 COU 285 188 0.5 142
Show 09371+1614 STF1372 AB 253 0.4 143
Show 09371+1614 LSC 122 A,Bb 249 0.3 143
Show 09500+1634 STF1385 327 1.0 147
Show 09528+1821 ZUC 7 108 1.3 147
Show 09434+1543 SKF2686 234 1.8 151
Show 09347+1627 A 2478 AB 40 1.2 154

 
 
WDS 09425+1813 : COMPONENTS
 
 
  A
B pa=15.8°
sep=10.38"
 
 
09425+1813 A
 
 
Componente originario normalizzato AB Name HD 83981 Coord arcsec 2000 094227.47+181324.3 Mag 9.34
Spectral class A (white) PmRA 4.00 PmDE -1.0 SAO 98725
Tycho2 1413-00019-1 HD 83981 DM BD+18 2251
Tycho2
Tycho2 1413-00019-1 Pflag RAmdeg 145.61448978 DEmdeg 18.22343448
PmRA 5.0 PmDE -0.2 E RAmdeg 11 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.15 EpDEm 1990.22
Num 9 Q RAmdeg 0.9 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 9.691 E BTmag 0.022 VTmag 9.342
E VTmag 0.019 Prox 999 TYC T HIP
CCDM RAdeg 145.61447694 DEdeg 18.22343472 EpRA 1990 1.35
EpDE 1990 1.48 E RAdeg 10.9 E DEdeg 10.9 Posflg
Corr 0.5
SAO
SAO 98725 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.008 Vmag 9 SpType A
Double code Source 28 CatNum 3905 DM BD+18 2251
DMcomp BDsup HD 83981 M HD 0
GC RA1950rad 2.52935439 DE1950rad 0.32205474 PmRA2000 0.0006
PmDE2000 0.013
CCDM
Ccdm 09425+1813 RComp Comp A Note1
Note2 Discov num DRAs -2.54 DDEs 24.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp A PmNote *
PmRA 6 PmDE 2 Dm number +18 2251 Cat1 BD
Name2 +18 994 Cat2 AGK2/3 HD 83981 M HD
ADS BDS B 5179 M ADS BDS N IDS IDS 09369N1840A
HIC
 
 
09425+1813 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 094227.67+181334.3 Mag 10.3 PmRA 2.00
PmDE -1.0 Calc delta mag 0.96 Calc coord yes
CCDM
Ccdm 09425+1813 RComp Comp B Note1
Note2 Discov num HJ 2502 DRAs -2.31 DDEs 33.7
R dRAs 10 Year 1830 Theta 013 Rho 10.0
Obs 1 Vmag 10.4 Sp PmNote *
PmRA 8 PmDE -7 Dm number Cat1
Name2 +18 995 Cat2 AGK2/3 HD M HD
ADS BDS B 5179 M ADS BDS N IDS IDS 09369N1840B
HIC