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Current system
08459-0643
HJ 796
HD 74797


Nearby doubles
17' : 08449-0637
JNN 63

32' : 08481-0647
GWP1086

46' : 08476-0721
GWP1085

46' : 08437-0714
S 579AB

48' : 08488-0622
UC 1715

49' : 08442-0602
TVB 198

64' : 08500-0705
TVB 204

67' : 08471-0747
GWP1082

70' : 08501-0716
HJ 2471

74' : 08488-0742
J 2889

79' : 08463-0802
WSP 36AB

83' : 08404-0641
GWP1063

87' : 08517-0647
BU 407AB

89' : 08516-0711
BU 587AB

94' : 08449-0815
HDS1261

100' : 08407-0542
A 340

101' : 08491-0514
HJ 2468

105' : 08389-0651
RST4414

106' : 08490-0507
J 383

108' : 08532-0652
J 2890

111' : 08514-0529
TDS6139

111' : 08434-0500
RST4419

114' : 08536-0636
A 1080

115' : 08423-0824
STF1264

117' : 08508-0510
J 1534

117' : 08537-0638
DAM1502



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.

08459-0643 HJ 796 (HD 74797)

 
 
08h 45m 56.75s -06° 43' 00.7" P.A. 123.00 sep 22.5 mag 9.01,10.50 Sp A2
 
 
Coord 2000 08459-0643 Discov num HJ  796 Comp Coord arcsec 2000 08 45 56.75 -06 43 00.7
Date first 1827 Date last 2016 Obs 15
Pa first 140 Pa last 123.3 P.A. Now (θ) 123.3°
Sep first 12.0 Sep last 22.5 Sep. Now (ρ) 22.5"
Mag pri 9.01 Mag sec 10.50 delta mag (ΔM) 1.49 Spectral class A2 (white)
Pri motion ra -069 Sec motion ra -003
Pri motion dec +034 Sec motion dec +005
Notes
rPM=0.937
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74797 Constellation Hydra SAO 136252 Tycho2 4876-01124-1
Gaia DR2 5754190754168778240 HD 74797
 
 
WDS 08459-0643 HJ 796 (HD 74797) : 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
08459-0643 HJ 796 2007 6 124 21.9 9.01 10.50 A2 D 084556.75-064300.7
08459-0643 HJ 796 2011 9 124 21.5 9.01 10.50 A2 D 084556.75-064300.7
08459-0643 HJ 796 2016 12 123 22.5 9.01 10.50 A2 084556.75-064300.7

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

 
 
WDS 08459-0643 HJ 796 (HD 74797) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08459-0643 HJ 796 (HD 74797) : MEASURES
 
 
No records found.

 
 
WDS 08459-0643 (HD 74797) : VIRTUAL EYEPIECE
 
 

08459-0643 HJ 796A mag 9.01 Sp A2 08459-0643 HJ 796B sep 22.4 P.A. 123.50 mag 10.5 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 08459-0643 (HD 74797) : ALADIN DSS IMAGE @ 08h 45m 56.75s -06° 43' 00.7"
 
 
 
 
WDS 08459-0643 HJ 796 (HD 74797) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08459-0643 HJ 796 distance=1' 08449-0637 JNN 63 distance=17' 08481-0647 GWP1086 distance=32' 08476-0721 GWP1085 distance=46' 08437-0714 S 579AB distance=46' 08437-0714 BU 1421AC distance=46' 08488-0622 UC 1715 distance=48' 08442-0602 TVB 198 distance=49' 08500-0705 TVB 204 distance=64' 08471-0747 GWP1082 distance=67' 08501-0716 HJ 2471 distance=70' 08488-0742 J 2889 distance=74' 08463-0802 WSP 36AB distance=79' 08463-0802 WSP 36AC distance=79' 08463-0802 WSP 36AD distance=79' 08463-0802 WSP 36AE distance=79' 08404-0641 GWP1063 distance=83' 08517-0647 BU 407AB distance=87' 08517-0647 BU 407AC distance=87' 08516-0711 BU 587AB distance=89' 08516-0711 H 5 120AB,C distance=89' 08516-0711 BU 587AB,D distance=89' 08449-0815 HDS1261 distance=94' 08407-0542 A 340 distance=100' 08491-0514 HJ 2468 distance=101' 08389-0651 RST4414 distance=105' 08490-0507 J 383 distance=106' 08532-0652 J 2890 distance=108' 08514-0529 TDS6139 distance=111' 08434-0500 RST4419 distance=111' 08536-0636 A 1080 distance=114' 08423-0824 STF1264 distance=115' 08508-0510 J 1534 distance=117' 08537-0638 DAM1502 distance=117' 08457-0446 HJ 2465 distance=118' 08425-0830 H 6 107 distance=119' 08532-0732 GWP1100 distance=119' 08379-0648 HJ 99AB distance=121' 08379-0648 JNN 237AD distance=121' 08379-0648 HJ 99BC distance=121' 08540-0700 J 1535 distance=122' 08386-0548 HJ 2461 distance=124' 08374-0628 A 339 distance=129' 08464-0852 GWP1079 distance=129' 08380-0736 GWP1054 distance=130' 08453-0432 GWP1076 distance=132' 08543-0553 A 2966 distance=134' 08421-0441 TDS 489 distance=135' 08492-0849 A 3068 distance=136' 08369-0714 SKF 780 distance=138' 08545-0551 TSN 149 distance=139' 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 08459-0643 HJ 796 123 22.5 1
Show 08449-0637 JNN 63 23 0.3 17
Show 08481-0647 GWP1086 308 17.0 32
Show 08476-0721 GWP1085 99 16.3 46
Show 08437-0714 S 579 AB 310 78.8 46
Show 08437-0714 BU 1421 AC 343 57.0 46
Show 08488-0622 UC 1715 289 8.3 48
Show 08442-0602 TVB 198 43 3.7 49
Show 08500-0705 TVB 204 143 6.7 64
Show 08471-0747 GWP1082 55 159.6 67
Show 08501-0716 HJ 2471 41 13.3 70
Show 08488-0742 J 2889 19 5.2 74
Show 08463-0802 WSP 36 AB 67 4.9 79
Show 08463-0802 WSP 36 AC 257 9.5 79
Show 08463-0802 WSP 36 AD 259 13.1 79
Show 08463-0802 WSP 36 AE 265 17.9 79
Show 08404-0641 GWP1063 143 9.5 83
Show 08517-0647 BU 407 AB 167 5.8 87
Show 08517-0647 BU 407 AC 165 91.9 87
Show 08516-0711 BU 587 AB 121 1.2 89
Show 08516-0711 H 5 120 AB,C 6 45.6 89
Show 08516-0711 BU 587 AB,D 56 55.5 89
Show 08449-0815 HDS1261 207 0.7 94
Show 08407-0542 A 340 301 2.7 100
Show 08491-0514 HJ 2468 345 23.8 101
Show 08389-0651 RST4414 91 7.9 105
Show 08490-0507 J 383 320 3.5 106
Show 08532-0652 J 2890 330 4.9 108
Show 08514-0529 TDS6139 89 0.5 111
Show 08434-0500 RST4419 303 1.3 111
Show 08536-0636 A 1080 331 1.4 114
Show 08423-0824 STF1264 269 6.4 115
Show 08508-0510 J 1534 120 8.4 117
Show 08537-0638 DAM1502 159 1.3 117
Show 08457-0446 HJ 2465 99 15.7 118
Show 08425-0830 H 6 107 151 93.5 119
Show 08532-0732 GWP1100 324 11.5 119
Show 08379-0648 HJ 99 AB 175 60.5 121
Show 08379-0648 JNN 237 AD 39 6.7 121
Show 08379-0648 HJ 99 BC 216 9.7 121
Show 08540-0700 J 1535 144 5.5 122
Show 08386-0548 HJ 2461 95 19.0 124
Show 08374-0628 A 339 13 2.4 129
Show 08464-0852 GWP1079 99 27.9 129
Show 08380-0736 GWP1054 108 209.9 130
Show 08453-0432 GWP1076 162 6.8 132
Show 08543-0553 A 2966 320 0.7 134
Show 08421-0441 TDS 489 347 2.4 135
Show 08492-0849 A 3068 21 1.0 136
Show 08369-0714 SKF 780 219 25.3 138
Show 08545-0551 TSN 149 268 0.2 139

 
 
WDS 08459-0643 : COMPONENTS
 
 
  A
B pa=123.5°
sep=22.39"
 
 
08459-0643 A
 
 
Componente originario normalizzato AB Name HD 74797 Coord arcsec 2000 084556.75-064300.7 Mag 9.01
Spectral class A2 (white) PmRA -69.00 PmDE 34.0 SAO 136252
Tycho2 4876-01124-1 HD 74797 DM BD-06 2718
Tycho2
Tycho2 4876-01124-1 Pflag RAmdeg 131.48649041 DEmdeg -6.71686629
PmRA -68.2 PmDE 33.2 E RAmdeg 9 E DEmdeg 10
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.11 EpDEm 1990.34
Num 9 Q RAmdeg 0.4 Q DEmdeg 0.9 Q pmRA 0.5
Q pmDE 1.0 BTmag 9.252 E BTmag 0.019 VTmag 9.014
E VTmag 0.018 Prox 999 TYC T HIP
CCDM RAdeg 131.48664611 DEdeg -6.71694222 EpRA 1990 1.83
EpDE 1990 1.75 E RAdeg 9.0 E DEdeg 10.1 Posflg
Corr 0.2
SAO
SAO 136252 DelFlag RA1950 PmRA1950 -0.0038
DE1950 PmDE1950 0.037 Vmag 8.8 SpType A2
Double code Source 26 CatNum 3410 DM BD-06 2718
DMcomp BDsup HD 74797 M HD 0
GC RA1950rad 2.28413445 DE1950rad -0.11403908 PmRA2000 -0.0035
PmDE2000 0.041
CCDM
Ccdm 08459-0643 RComp Comp A Note1
Note2 Discov num DRAs 2.79 DDEs -0.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp A2 PmNote *
PmRA -57 PmDE 37 Dm number -06 2718 Cat1 BD
Name2 136252 Cat2 SAO HD 74797 M HD
ADS BDS B 4769 M ADS BDS N IDS IDS 08410S0621A
HIC
 
 
08459-0643 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084558.00-064313.1 Mag 10.5 PmRA -3.00
PmDE 5.0 Calc delta mag 1.49 Calc coord yes
CCDM
Ccdm 08459-0643 RComp Comp B Note1
Note2 Discov num HJ 796 DRAs DDEs
R dRAs Year 1882 Theta 132 Rho 13.9
Obs 2 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 4769 M ADS BDS N IDS IDS 08410S0621B
HIC