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Current system
11045+3814
HO 377 AB
51 UMa


Nearby doubles
12' : 11050+3825
HO 378AB

13' : 11044+3802
LDS4053

17' : 11034+3823
ES 1641

26' : 11033+3835
HJ 2555

27' : 11027+3829
CVR 591

36' : 11015+3816
LDS4046

40' : 11069+3746
COU1572

44' : 11043+3731
WIS 179

47' : 11008+3757
CVR1334

50' : 11006+3832
ES 304

55' : 11016+3856
ZHN 17

56' : 11075+3857
HDS1585

58' : 11040+3911
CVR1339

61' : 11095+3805
ES 1642

63' : 11001+3741
CVR 588

69' : 10588+3801
SLW 546

73' : 11055+3927
COU1748

73' : 11008+3913
YSC 5

73' : 11103+3840
HJ 2561

78' : 11070+3703
LDS4060

88' : 11082+3658
KZA 2AB

90' : 11045+3943
SLW 564

95' : 11122+3749
SLW 577

99' : 11082+3646
NSN 610

100' : 11078+3946
COU1749

100' : 11017+3641
UC 2059AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

11045+3814 HO 377 AB (51 UMa)

 
 
11h 04m 31.28s +38° 14' 28.9" P.A. 250.00 sep 7.9 mag 6.04,11.60 Sp A3III-IV dist. 78.86 pc (257.24 l.y.)
 
 
Coord 2000 11045+3814 Discov num HO  377 Comp AB Coord arcsec 2000 11 04 31.28 +38 14 28.9
Date first 1891 Date last 2015 Obs 16
Pa first 250 Pa last 249.7 P.A. Now (θ) 249.7°
Sep first 8.4 Sep last 7.941 Sep. Now (ρ) 7.941"
Mag pri 6.04 Mag sec 11.60 delta mag (ΔM) 5.56 Spectral class A3III-IV (white)
Pri motion ra -064 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
11045+3814 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 51 UMa 62387 11 04 31 +38 14 29 HO 377 AB 2015 16 250 7.9 6.04 11.60 5.56 <===
Show 62387 11 04 31 +38 14 29 HZG 8 AC 2017 17 83 150.1 6.04 7.56 1.52
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 51 UMa Constellation Ursa Major SAO 62387 HIP 54136
Tycho2 3010-02500-1 Gaia DR2 763335539562111616 HD 95934 HR 4309
GC 15215 ADS 8046 BD BD+39 2414 Flamsteed 51 Ursae Majoris
Flamsteed name 51 UMa FK5 2882 Distance 78.86 Distance ly 257.24
 
 
WDS 11045+3814 HO 377 AB (51 UMa) : NOTES
 
 
discov_num notes refcode
HO 377 51 UMa.
HZG 8 AC: HJL1060. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
 
 
DISCOVERER
 
 
idgroup discov author
1 HO Hough, G.W.
28 HZG Hertzsprung, E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11045+3814 HO 377 AB 1999 11 251 8.0 6.04 11.60 A3III-IV N D 110431.28+381428.9
11045+3814 HO 377 AB 2003 12 111 7.7 6.04 11.60 A3III-IV N D 110431.28+381428.9
11045+3814 HO 377 AB 2013 12 250 8.2 6.04 11.60 A3III-IV N 110431.28+381428.9
11045+3814 HO 377 AB 2015 13 250 7.9 6.04 11.60 A3III-IV N 110431.28+381428.9

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

 
 
WDS 11045+3814 HO 377 AB (51 UMa) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11045+3814 HO 377 AB (51 UMa) : MEASURES
 
 
No records found.

 
 
WDS 11045+3814 (51 UMa) : VIRTUAL EYEPIECE
 
 

11045+3814 HO 377A mag 6.04 Sp A3III 11045+3814 HO 377B sep 6.5 P.A. 244.80 mag 11.6 Sp IV 11045+3814 HZG 8C sep 118.4 P.A. 81.20 mag 7.56 Sp IV 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 11045+3814 (51 UMa) : ALADIN DSS IMAGE @ 11h 04m 31.28s +38° 14' 28.9"
 
 
 
 
WDS 11045+3814 HO 377 AB (51 UMa) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11045+3814 HO 377AB distance=0' 11050+3825 HO 378AB distance=12' 11044+3802 LDS4053 distance=13' 11034+3823 ES 1641 distance=17' 11033+3835 HJ 2555 distance=26' 11027+3829 CVR 591 distance=27' 11015+3816 LDS4046 distance=36' 11069+3746 COU1572 distance=40' 11043+3731 WIS 179 distance=44' 11008+3757 CVR1334 distance=47' 11006+3832 ES 304 distance=50' 11016+3856 ZHN 17 distance=55' 11075+3857 HDS1585 distance=56' 11040+3911 CVR1339 distance=58' 11095+3805 ES 1642 distance=61' 11001+3741 CVR 588 distance=63' 10588+3801 SLW 546 distance=69' 11055+3927 COU1748 distance=73' 11008+3913 YSC 5 distance=73' 11103+3840 HJ 2561 distance=73' 11070+3703 LDS4060 distance=78' 11082+3658 KZA 2AB distance=88' 11082+3658 KZA 2AC distance=88' 11045+3943 SLW 564 distance=90' 11122+3749 SLW 577 distance=95' 11017+3641 COU1422Ba,Bb distance=99' 11082+3646 NSN 610 distance=99' 11078+3946 COU1749 distance=100' 11017+3641 HDS1574Aa,Ab distance=100' 11017+3641 UC 2059AB distance=100' 11039+3634 LDS4050 distance=101' 10584+3702 STF1494AB distance=103' 10584+3702 STF1494AC distance=103' 11133+3811 KU 36 distance=103' 11116+3715 SLW 575 distance=104' 10570+3909 SLW 543 distance=105' 11116+3924 SLW 576 distance=109' 10544+3840 COU1746 distance=122' 11122+3654 KZA 11 distance=123' 11135+3707 HDS1601AB distance=127' 10564+3652 COU1420 distance=127' 11089+3617 KZA 4 distance=129' 11151+3735 CHR 192Aa,Ab distance=131' 11151+3735 STT 232AB distance=131' 10564+3946 CVR 586 distance=132' 11141+3926 SLW 580 distance=133' 10531+3812 ES 1640 distance=135' 11079+3604 KZA 1 distance=138' 11004+3605 HO 46 distance=139' 11030+4033 ES 1398 distance=139' 11106+3612 KZA 9 distance=143' 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 11045+3814 HO 377 AB 250 7.9
Show 11045+3814 HZG 8 AC 83 150.1
Show 11050+3825 HO 378 AB 234 1.1 12
Show 11044+3802 LDS4053 72 2.5 13
Show 11034+3823 ES 1641 344 5.0 17
Show 11033+3835 HJ 2555 46 11.5 26
Show 11027+3829 CVR 591 123 19.1 27
Show 11015+3816 LDS4046 1 19.7 36
Show 11069+3746 COU1572 184 1.9 40
Show 11043+3731 WIS 179 13 865.6 44
Show 11008+3757 CVR1334 227 4.2 47
Show 11006+3832 ES 304 89 5.0 50
Show 11016+3856 ZHN 17 163 235.1 55
Show 11075+3857 HDS1585 201 0.3 56
Show 11040+3911 CVR1339 50 3.3 58
Show 11095+3805 ES 1642 46 1.2 61
Show 11001+3741 CVR 588 209 27.2 63
Show 10588+3801 SLW 546 161 19.4 69
Show 11055+3927 COU1748 81 0.2 73
Show 11008+3913 YSC 5 90 0.4 73
Show 11103+3840 HJ 2561 223 14.8 73
Show 11070+3703 LDS4060 196 76.8 78
Show 11082+3658 KZA 2 AB 334 57.0 88
Show 11082+3658 KZA 2 AC 311 73.0 88
Show 11045+3943 SLW 564 321 19.7 90
Show 11122+3749 SLW 577 113 11.2 95
Show 11017+3641 COU1422 Ba,Bb 47 0.7 99
Show 11082+3646 NSN 610 141 2.5 99
Show 11078+3946 COU1749 109 0.5 100
Show 11017+3641 HDS1574 Aa,Ab 99 0.3 100
Show 11017+3641 UC 2059 AB 46 46.6 100
Show 11039+3634 LDS4050 92 185.8 101
Show 10584+3702 STF1494 AB 331 10.7 103
Show 10584+3702 STF1494 AC 75 148.9 103
Show 11133+3811 KU 36 137 8.8 103
Show 11116+3715 SLW 575 228 51.7 104
Show 10570+3909 SLW 543 340 163.0 105
Show 11116+3924 SLW 576 101 155.5 109
Show 10544+3840 COU1746 331 0.3 122
Show 11122+3654 KZA 11 250 42.5 123
Show 11135+3707 HDS1601 AB 173 0.1 127
Show 10564+3652 COU1420 291 0.1 127
Show 11089+3617 KZA 4 356 11.3 129
Show 11151+3735 CHR 192 Aa,Ab 251 0.1 131
Show 11151+3735 STT 232 AB 250 0.6 131
Show 10564+3946 CVR 586 80 19.9 132
Show 11141+3926 SLW 580 50 32.2 133
Show 10531+3812 ES 1640 230 3.2 135
Show 11079+3604 KZA 1 178 8.0 138
Show 11004+3605 HO 46 101 2.5 139
Show 11030+4033 ES 1398 334 2.7 139

 
 
WDS 11045+3814 : COMPONENTS
 
 
  A B
B pa=244.8°
sep=6.47"
 
C pa=81.2°
sep=118.41"
pa=80.4°
sep=124.63"
 
 
11045+3814 A
 
 
Name 51 UMa Coord arcsec 2000 110431.28+381428.9 Mag 6.04 Spectral class A3III (white)
PmRA -64.00 PmDE -3.0 SAO 62387 HIP 54136
Tycho2 3010-02500-1 HD 95934 HR 4309 GC 15215
ADS 8046 BD BD+39 2414 Flamsteed 51 Ursae Majoris Flamsteed name 51 UMa
FK5 2882
Tycho2
Tycho2 3010-02500-1 Pflag RAmdeg 166.13011540 DEmdeg 38.24136085
PmRA -69.0 PmDE -0.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.48 EpDEm 1991.47
Num 13 Q RAmdeg 0.5 Q DEmdeg 0.2 Q pmRA 0.6
Q pmDE 0.4 BTmag 6.217 E BTmag 0.014 VTmag 6.039
E VTmag 0.009 Prox 999 TYC T HIP 54136
CCDM RAdeg 166.13031917 DEdeg 38.24136194 EpRA 1990 1.65
EpDE 1990 1.62 E RAdeg 3.6 E DEdeg 3.7 Posflg
Corr 0.2
SAO
SAO 62387 DelFlag RA1950 PmRA1950 -0.0064
DE1950 PmDE1950 -0.001 Vmag 6.1 SpType A2
Double code Source 70 CatNum 15215 DM BD+39 2414
DMcomp BDsup HD 95934 M HD 0
GC 15215 RA1950rad 2.88741095 DE1950rad 0.67214699 PmRA2000 -0.0062
PmDE2000 0.004
Hipparcos
Catalog H HIP 54136 Proxy RAhms 11 04 31.28
DEdms +38 14 28.9 Vmag 6.01 VarFlag R Vmag H
RAdeg 166.13 DEdeg 38.2414 AstroRef Plx 12.41
CCDM 11046+3815 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 95934 BD BD+39 2414
CD CP Dm number +39 2414 VIred 0.15
SpType A3III-IV R SpType Coord arcsec 2000 110431.28+381428.9
Hipparcos 2
HIP 54136 Sn 7 So 0 Nc 1
RArad 2.8995212851 DErad 0.6674376642 Plx 12.68 PmRA -72.81
PmDE 1.43 E RArad 0.45 E DErad 0.39 E Plx 0.57
E pmRA 0.54 E pmDE 0.48 Hpmag 6.0703 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.165 E BV 0.005
VI 0.18
 
 
11045+3814 B
 
 
Coord arcsec 2000 110430.78+381426.1 Mag 11.6 Spectral class IV Calc delta mag 5.56
Calc coord yes
 
 
11045+3814 C
 
 
Coord arcsec 2000 110441.21+381446.9 Mag 7.56 Spectral class IV PmRA -69.00
PmDE 1.0 DM BD+39 2418 Calc delta mag 1.52 Calc coord yes