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Doubles in session


Current system
11428+2105
HU 888
HD 101770


Nearby doubles
31' : 11406+2102
STF1566

34' : 11432+2031
CVR1379

46' : 11396+2105
CVR 120

59' : 11470+2056
CBL 357

69' : 11416+2211
KPP2632

71' : 11378+2111
SLW 620

73' : 11377+2107
UC 2179

79' : 11372+2107
UC 2177AB

89' : 11480+2013
STFB 7AB

90' : 11367+2128
STF1558AB

91' : 11475+2002
SHJ 130AB

93' : 11415+1934
UC 2191

97' : 11377+2002
KPP3243

101' : 11434+2245
HJ 2581

101' : 11466+2231
ALP 17AB

112' : 11441+1914
CBL 351

118' : 11423+2302
LDS 926

120' : 11495+1949
GWP1685

123' : 11486+2237
POU3113

126' : 11374+2245
POU3108

134' : 11396+1900
STF1565

137' : 11516+2207
CHR 35

140' : 11528+2117
UC 2225

146' : 11436+1808
COU 26

147' : 11526+2014
LDS4153

151' : 11391+1844
GWP1631



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.

11428+2105 HU 888 (HD 101770)

 
 
11h 42m 50.96s +21° 04' 49.5" P.A. 179.00 sep 0.5 mag 9.45,9.74 Sp F5 dist. 729.93 pc (2381.03 l.y.)
 
 
Coord 2000 11428+2105 Discov num HU  888 Comp Coord arcsec 2000 11 42 50.96 +21 04 49.5
Date first 1904 Date last 2016 Obs 50
Pa first 149 Pa last 179.2 P.A. Now (θ) 179.2°
Sep first 0.7 Sep last 0.546 Sep. Now (ρ) 0.546"
Mag pri 9.45 Mag sec 9.74 delta mag (ΔM) 0.29 Spectral class F5 (yellow-white)
Pri motion ra +054 Sec motion ra +054
Pri motion dec -026 Sec motion dec -026
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 101770 Constellation Leo SAO 81952 HIP 57134
Tycho2 1440-01741-1 Gaia DR2 3979514699867186048 HD 101770 BD BD+21 2345
Distance 729.93 Distance ly 2381.03
 
 
WDS 11428+2105 HU 888 (HD 101770) : 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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11428+2105 HU 888 2005 42 169 0.6 9.45 9.74 F5 D 114250.96+210449.5
11428+2105 HU 888 2010 44 176 0.6 9.45 9.74 F5 D 114250.96+210449.5
11428+2105 HU 888 2014 46 175 0.5 9.45 9.74 F5 114250.96+210449.5
11428+2105 HU 888 2016 48 179 0.5 9.45 9.74 F5 114250.96+210449.5

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

 
 
WDS 11428+2105 HU 888 (HD 101770) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11428+2105 HU 888 (HD 101770) : MEASURES
 
 
No records found.

 
 
WDS 11428+2105 (HD 101770) : VIRTUAL EYEPIECE
 
 

11428+2105 HU 888A mag 9.45 Sp F5 11428+2105 HU 888B sep 0.6 P.A. 179.30 mag 9.74 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 11428+2105 (HD 101770) : ALADIN DSS IMAGE @ 11h 42m 50.96s +21° 04' 49.5"
 
 
 
 
WDS 11428+2105 HU 888 (HD 101770) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11428+2105 HU 888 distance=0' 11406+2102 STF1566 distance=31' 11432+2031 CVR1379 distance=34' 11396+2105 CVR 120 distance=46' 11470+2056 CBL 357 distance=59' 11416+2211 KPP2632 distance=69' 11378+2111 SLW 620 distance=71' 11377+2107 UC 2179 distance=73' 11372+2107 UC 2177AB distance=79' 11480+2013 MKT 7Aa,Ab distance=89' 11480+2013 STFB 7AB distance=89' 11367+2128 STF1558AB distance=90' 11367+2128 STF1558AB,C distance=90' 11367+2128 GII 95Aa,Ab distance=90' 11475+2002 HDS1665Aa,Ab distance=91' 11475+2002 SHJ 130AB distance=91' 11415+1934 UC 2191 distance=93' 11377+2002 KPP3243 distance=97' 11434+2245 HJ 2581 distance=101' 11466+2231 KER 2Aa,Ab distance=101' 11466+2231 ALP 17AB distance=101' 11441+1914 CBL 351 distance=112' 11423+2302 LDS 926 distance=118' 11495+1949 GWP1685 distance=120' 11486+2237 POU3113 distance=123' 11374+2245 POU3108 distance=126' 11396+1900 STF1565 distance=134' 11516+2207 CHR 35 distance=137' 11528+2117 UC 2225 distance=140' 11436+1808 COU 26 distance=146' 11526+2014 LDS4153 distance=147' 11391+1844 GWP1631 distance=151' 11336+2225 HJ 2576 distance=152' 11511+2245 HDS1671 distance=152' 11349+1921 GRV 837 distance=153' 11323+2144 NSN 616 distance=153' 11533+2019 STF1577 distance=154' 11438+1831 BRT2412 distance=155' 11321+2143 SLW 613 distance=155' 11449+2346 POU3112 distance=160' 11539+2020 HU 1256AB distance=161' 11539+2020 HU 1256AC distance=161' 11520+2248 POU3115 distance=164' 11525+2240 POU3116 distance=165' 11542+2023 CBL 363 distance=165' 11532+2227 POU3117 distance=166' 11421+2351 POU3109 distance=167' 11525+2243 TDS8089 distance=167' 11452+1821 GIC 101 distance=168' 11345+1904 GWP1614 distance=169' 11387+2344 LDS 923 distance=170' 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 11428+2105 HU 888 179 0.5
Show 11406+2102 STF1566 349 2.4 31
Show 11432+2031 CVR1379 165 4.8 34
Show 11396+2105 CVR 120 93 13.6 46
Show 11470+2056 CBL 357 262 25.2 59
Show 11416+2211 KPP2632 201 24.4 69
Show 11378+2111 SLW 620 39 66.6 71
Show 11377+2107 UC 2179 4 10.4 73
Show 11372+2107 UC 2177 AB 208 9.1 79
Show 11480+2013 MKT 7 Aa,Ab 23 0.0 89
Show 11480+2013 STFB 7 AB 356 75.5 89
Show 11367+2128 STF1558 AB 168 1.3 90
Show 11367+2128 STF1558 AB,C 276 43.3 90
Show 11367+2128 GII 95 Aa,Ab 120 0.3 90
Show 11475+2002 HDS1665 Aa,Ab 133 1.0 91
Show 11475+2002 SHJ 130 AB 30 71.0 91
Show 11415+1934 UC 2191 297 23.7 93
Show 11377+2002 KPP3243 195 3.9 97
Show 11434+2245 HJ 2581 78 3.0 101
Show 11466+2231 KER 2 Aa,Ab 209 0.3 101
Show 11466+2231 ALP 17 AB 88 21.1 101
Show 11441+1914 CBL 351 213 15.3 112
Show 11423+2302 LDS 926 22 105.1 118
Show 11495+1949 GWP1685 283 18.0 120
Show 11486+2237 POU3113 110 4.2 123
Show 11374+2245 POU3108 271 8.8 126
Show 11396+1900 STF1565 304 22.2 134
Show 11516+2207 CHR 35 143 0.2 137
Show 11528+2117 UC 2225 203 5.8 140
Show 11436+1808 COU 26 275 2.6 146
Show 11526+2014 LDS4153 206 59.7 147
Show 11391+1844 GWP1631 289 35.4 151
Show 11336+2225 HJ 2576 156 12.1 152
Show 11511+2245 HDS1671 69 0.6 152
Show 11349+1921 GRV 837 267 10.8 153
Show 11323+2144 NSN 616 125 1.7 153
Show 11533+2019 STF1577 10 8.6 154
Show 11438+1831 BRT2412 292 4.8 155
Show 11321+2143 SLW 613 150 143.2 155
Show 11449+2346 POU3112 318 22.2 160
Show 11539+2020 HU 1256 AB 355 0.3 161
Show 11539+2020 HU 1256 AC 347 1.4 161
Show 11520+2248 POU3115 298 3.2 164
Show 11525+2240 POU3116 37 15.1 165
Show 11542+2023 CBL 363 75 14.7 165
Show 11532+2227 POU3117 116 10.8 166
Show 11421+2351 POU3109 228 5.5 167
Show 11525+2243 TDS8089 100 0.4 167
Show 11452+1821 GIC 101 280 999.9 168
Show 11345+1904 GWP1614 77 6.4 169
Show 11387+2344 LDS 923 196 18.4 170

 
 
WDS 11428+2105 : COMPONENTS
 
 
  A
B pa=179.3°
sep=0.55"
 
 
11428+2105 A
 
 
Componente originario normalizzato AB Name HD 101770 Coord arcsec 2000 114250.96+210449.5 Mag 9.45
Spectral class F5 (yellow-white) PmRA 54.00 PmDE -26.0 SAO 81952
HIP 57134 Tycho2 1440-01741-1 HD 101770 BD BD+21 2345
Tycho2
Tycho2 1440-01741-1 Pflag RAmdeg 175.71235890 DEmdeg 21.08034242
PmRA 54.2 PmDE -25.7 E RAmdeg 11 E DEmdeg 11
E pmRA 1.0 E pmDE 0.9 EpRAm 1989.81 EpDEm 1988.97
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 1.0
Q pmDE 1.4 BTmag 9.496 E BTmag 0.022 VTmag 8.974
E VTmag 0.019 Prox 999 TYC T HIP 57134
CCDM AB RAdeg 175.71222889 DEdeg 21.08040389 EpRA 1990 1.88
EpDE 1990 1.66 E RAdeg 10.5 E DEdeg 12.2 Posflg P
Corr 0.2
SAO
SAO 81952 DelFlag RA1950 PmRA1950 0.0036
DE1950 PmDE1950 -0.026 Vmag 8.4 SpType F5
Double code Source 35 CatNum 4342 DM BD+21 2345
DMcomp BDsup HD 101770 M HD 0
GC RA1950rad 3.05541132 DE1950rad 0.37277065 PmRA2000 0.0036
PmDE2000 -0.021
Hipparcos
Catalog H HIP 57134 Proxy H RAhms 11 42 50.93
DEdms +21 04 49.7 Vmag 8.82 VarFlag R Vmag H
RAdeg 175.712 DEdeg 21.0805 AstroRef A Plx 2.7
CCDM 11428+2105 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 170 Rho 0.626 HD 101770 BD BD+21 2345
CD CP Dm number +21 2345 VIred 0.62
SpType F5 R SpType Coord arcsec 2000 114250.93+210449.7
Hipparcos 2
HIP 57134 Sn 15 So 3 Nc 2
RArad 3.0667564905 DErad 0.3679238361 Plx 1.37 PmRA 57.45
PmDE -35.78 E RArad 2.52 E DErad 4.18 E Plx 2.27
E pmRA 3.22 E pmDE 4.54 Hpmag 8.9178 E Hpmag 0.003
SHp 0.016 VA 0 BV 0.464 E BV 0.029
VI 0.53
CCDM
Ccdm 11428+2105 RComp Comp A Note1
Note2 Discov num DRAs 2.95 DDEs -11.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp F5 PmNote *
PmRA 48 PmDE -43 Dm number +21 2345 Cat1 BD
Name2 +21 1237 Cat2 AGK2/3 HD 101770 M HD
ADS BDS A 8275 M ADS BDS N IDS IDS 11376N2138A
HIC 57134
 
 
11428+2105 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 114250.96+210449.0 Mag 9.74 PmRA 54.00
PmDE -26.0 Calc delta mag 0.29 Calc coord yes
CCDM
Ccdm 11428+2105 RComp Comp B Note1
Note2 Discov num HU 888 DRAs DDEs
R dRAs Year 1958 Theta 161 Rho 0.7
Obs 16 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8275 M ADS BDS N IDS IDS 11376N2138B
HIC 57134