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Doubles in session


Current system
12426-2437
HJ 4542
HD 110481


Nearby doubles
18' : 12438-2442
TDS8506

31' : 12434-2409
NSN 102

38' : 12429-2514
UC 2389

40' : 12434-2514
I 908AB

41' : 12427-2518
KPP 921

47' : 12459-2425
HJ 4549

68' : 12443-2334
KPP2276

68' : 12393-2528
UC 2379

75' : 12401-2544
BRT2995

77' : 12413-2552
UC 2385

78' : 12482-2448
HJ 4551

82' : 12485-2426
ARA2183

87' : 12446-2315
HDS1784

91' : 12444-2604
HU 1497

93' : 12453-2601
UC 2397

102' : 12487-2534
DON 558

104' : 12497-2515
B 233

105' : 12493-2527
DON 560

115' : 12342-2447
TDS8438

118' : 12351-2341
ARA2181

118' : 12506-2355
UC 2414

124' : 12457-2633
UC 2400AB

125' : 12478-2255
KPP3880

127' : 12406-2641
TVB 255

129' : 12520-2442
B 235

130' : 12506-2330
ARA1796



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.

12426-2437 HJ 4542 (HD 110481)

 
 
12h 42m 34.41s -24° 36' 49.9" P.A. 62.00 sep 38.4 mag 8.95,12.40 Sp A0V
 
 
Coord 2000 12426-2437 Discov num HJ 4542 Comp Coord arcsec 2000 12 42 34.41 -24 36 49.9
Date first 1836 Date last 2015 Obs 9
Pa first 61 Pa last 62.3 P.A. Now (θ) 62.3°
Sep first 30.0 Sep last 38.353 Sep. Now (ρ) 38.353"
Mag pri 8.95 Mag sec 12.40 delta mag (ΔM) 3.45 Spectral class A0V (white)
Pri motion ra -033 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110481 Constellation Hydra SAO 181035 Tycho2 6688-00204-1
Gaia DR2 3500059426076718976 HD 110481
 
 
WDS 12426-2437 HJ 4542 (HD 110481) : 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
12426-2437 HJ 4542 1987 4 62 28.2 8.95 12.40 A0V 124234.41-243649.9
12426-2437 HJ 4542 1991 5 62 37.5 8.95 12.40 A0V 124234.41-243649.9
12426-2437 HJ 4542 2014 6 63 37.9 8.95 12.40 A0V 124234.41-243649.9
12426-2437 HJ 4542 2015 9 62 38.4 8.95 12.40 A0V 124234.41-243649.9

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

 
 
WDS 12426-2437 HJ 4542 (HD 110481) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12426-2437 HJ 4542 (HD 110481) : MEASURES
 
 
No records found.

 
 
WDS 12426-2437 (HD 110481) : VIRTUAL EYEPIECE
 
 

12426-2437 HJ 4542A mag 8.95 Sp A0V 12426-2437 HJ 4542B sep 35.6 P.A. 60.00 mag 12.4 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 12426-2437 (HD 110481) : ALADIN DSS IMAGE @ 12h 42m 34.41s -24° 36' 49.9"
 
 
 
 
WDS 12426-2437 HJ 4542 (HD 110481) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12426-2437 HJ 4542 distance=0' 12438-2442 TDS8506 distance=18' 12434-2409 NSN 102 distance=31' 12429-2514 UC 2389 distance=38' 12434-2514 B 2739CD distance=39' 12434-2514 I 908AB distance=40' 12434-2514 I 908AC distance=40' 12427-2518 KPP 921 distance=41' 12459-2425 HJ 4549 distance=47' 12443-2334 KPP2276 distance=68' 12393-2528 UC 2379 distance=68' 12401-2544 BRT2995 distance=75' 12413-2552 UC 2385 distance=77' 12482-2448 HJ 4551 distance=78' 12485-2426 ARA2183 distance=82' 12446-2315 HDS1784 distance=87' 12444-2604 HU 1497 distance=91' 12453-2601 UC 2397 distance=93' 12487-2534 DON 558 distance=102' 12497-2515 B 233 distance=104' 12493-2527 DON 560 distance=105' 12342-2447 TDS8438 distance=115' 12351-2341 ARA2181 distance=118' 12506-2355 UC 2414 distance=118' 12457-2633 UC 2400AB distance=124' 12478-2255 KPP3880 distance=125' 12406-2641 TVB 255 distance=127' 12520-2442 B 235 distance=129' 12506-2330 ARA1796 distance=130' 12333-2410 ARA2180 distance=131' 12375-2246 CVR 659 distance=131' 12414-2226 DAW 104 distance=132' 12333-2516 YSC 212 distance=132' 12384-2236 ARA1795 distance=135' 12407-2650 B 2297 distance=136' 12338-2331 TOK 559 distance=137' 12417-2657 LDS4250 distance=141' 12527-2519 TDS8568 distance=144' 12340-2312 DON 537BC distance=145' 12340-2312 DON 537A,BC distance=145' 12444-2701 KPP2727 distance=146' 12417-2708 RST1684 distance=152' 12383-2657 RST1681 distance=152' 12494-2639 LDS4277 distance=153' 12420-2202 DON 547 distance=156' 12386-2704 BWL 32 distance=157' 12335-2300 DON 535 distance=158' 12541-2509 KPP 280 distance=161' 12504-2639 TDS8547 distance=162' 12350-2643 SKF1921AB distance=163' 12350-2643 LSC 50Aa,Ab distance=163' 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 12426-2437 HJ 4542 62 38.4
Show 12438-2442 TDS8506 72 2.9 18
Show 12434-2409 NSN 102 3 6.5 31
Show 12429-2514 UC 2389 50 17.6 38
Show 12434-2514 B 2739 CD 295 7.7 39
Show 12434-2514 I 908 AB 154 3.5 40
Show 12434-2514 I 908 AC 21 39.8 40
Show 12427-2518 KPP 921 1 7.6 41
Show 12459-2425 HJ 4549 87 12.0 47
Show 12443-2334 KPP2276 87 19.2 68
Show 12393-2528 UC 2379 112 10.7 68
Show 12401-2544 BRT2995 7 4.8 75
Show 12413-2552 UC 2385 19 49.4 77
Show 12482-2448 HJ 4551 305 12.0 78
Show 12485-2426 ARA2183 222 8.0 82
Show 12446-2315 HDS1784 45 0.5 87
Show 12444-2604 HU 1497 326 1.6 91
Show 12453-2601 UC 2397 104 47.0 93
Show 12487-2534 DON 558 279 4.9 102
Show 12497-2515 B 233 285 2.3 104
Show 12493-2527 DON 560 267 2.5 105
Show 12342-2447 TDS8438 11 0.6 115
Show 12351-2341 ARA2181 10.8 118
Show 12506-2355 UC 2414 168 11.9 118
Show 12457-2633 UC 2400 AB 14 7.9 124
Show 12478-2255 KPP3880 128 1.9 125
Show 12406-2641 TVB 255 259 12.9 127
Show 12520-2442 B 235 63 2.7 129
Show 12506-2330 ARA1796 165 14.1 130
Show 12333-2410 ARA2180 276 6.3 131
Show 12375-2246 CVR 659 312 12.8 131
Show 12414-2226 DAW 104 271 3.1 132
Show 12333-2516 YSC 212 29 0.1 132
Show 12384-2236 ARA1795 63 11.0 135
Show 12407-2650 B 2297 94 9.8 136
Show 12338-2331 TOK 559 166 999.9 137
Show 12417-2657 LDS4250 325 21.9 141
Show 12527-2519 TDS8568 330 0.8 144
Show 12340-2312 DON 537 BC 239 0.7 145
Show 12340-2312 DON 537 A,BC 77 15.2 145
Show 12444-2701 KPP2727 180 8.6 146
Show 12417-2708 RST1684 209 0.4 152
Show 12383-2657 RST1681 56 1.6 152
Show 12494-2639 LDS4277 80 84.3 153
Show 12420-2202 DON 547 69 2.6 156
Show 12386-2704 BWL 32 55 0.1 157
Show 12335-2300 DON 535 222 0.4 158
Show 12541-2509 KPP 280 306 4.8 161
Show 12504-2639 TDS8547 300 0.5 162
Show 12350-2643 SKF1921 AB 113 77.4 163
Show 12350-2643 LSC 50 Aa,Ab 77 0.4 163

 
 
WDS 12426-2437 : COMPONENTS
 
 
  A
B pa=60.0°
sep=35.65"
 
 
12426-2437 A
 
 
Componente originario normalizzato AB Name HD 110481 Coord arcsec 2000 124234.41-243649.9 Mag 8.95
Spectral class A0V (white) PmRA -33.00 PmDE -4.0 SAO 181035
Tycho2 6688-00204-1 HD 110481 DM CD-2310677
Tycho2
Tycho2 6688-00204-1 Pflag RAmdeg 190.64339321 DEmdeg -24.61387861
PmRA -34.5 PmDE -13.0 E RAmdeg 9 E DEmdeg 10
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.78 EpDEm 1990.34
Num 8 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.2
Q pmDE 0.5 BTmag 9.009 E BTmag 0.019 VTmag 8.947
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 190.64347917 DEdeg -24.61384889 EpRA 1990 1.82
EpDE 1990 1.76 E RAdeg 8.6 E DEdeg 10.1 Posflg
Corr 0.0
SAO
SAO 181035 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.004 Vmag 8.6 SpType A0
Double code Source 25 CatNum 9530 DM CD-2310677
DMcomp BDsup HD 110481 M HD 0
GC RA1950rad 3.31578867 DE1950rad -0.42480844 PmRA2000 -0.0007
PmDE2000 0.001
CCDM
Ccdm 12426-2437 RComp Comp A Note1
Note2 Discov num DRAs -1.48 DDEs 10.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp A0 PmNote *
PmRA -11 PmDE -4 Dm number -2310677 Cat1 CD
Name2 181035 Cat2 SAO HD 110481 M HD
ADS BDS B 6248 M ADS BDS N IDS IDS 12373S2404A
HIC
 
 
12426-2437 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 124236.67-243632.1 Mag 12.4 Calc delta mag 3.45
Calc coord yes
CCDM
Ccdm 12426-2437 RComp Comp B Note1
Note2 Discov num HJ 4542 DRAs DDEs
R dRAs Year Theta 062 Rho 36.0
Obs Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 6248 M ADS BDS N IDS IDS 12373S2404B
HIC