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Doubles in session


Current system
09508+1151
J 389
21 Leo


Nearby doubles
26' : 09506+1125
SLW 397

27' : 09524+1138
CVR1248

42' : 09482+1205
TDS6821

46' : 09493+1111
DAM1773

47' : 09498+1106
TOK 24

53' : 09474+1134
MCA 34AB

57' : 09534+1109
TDS6882

66' : 09509+1045
BPM 565

69' : 09359+1242
LAS 12

76' : 09462+1117
DEA 29

80' : 09552+1104
SLW 404

87' : 09497+1026
SLW 396

93' : 09456+1242
BPM 564

99' : 09479+1319
ITF 74AB

99' : 09477+1023
HEI 490

102' : 09566+1246
GRV 803

103' : 09578+1158
CVR1259

108' : 09564+1040
STF1396AB

115' : 09550+1014
HJ 144

115' : 09586+1154
GWP1263

116' : 09478+1004
HO 253

119' : 09530+1345
LIE 2

123' : 09572+1032
CVR1258

124' : 09479+1346
KPP3795

124' : 09554+1007
STF1395

126' : 09426+1226
SLW 384



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.

09508+1151 J 389 (21 Leo)

 
 
09h 50m 49.28s +11° 50' 32.7" P.A. 147.00 sep 28.3 mag 6.85,13.20 Sp B9V dist. 237.53 pc (774.82 l.y.)
 
 
Coord 2000 09508+1151 Discov num J   389 Comp Coord arcsec 2000 09 50 49.28 +11 50 32.7
Date first 1907 Date last 2010 Obs 13
Pa first 144 Pa last 146.6 P.A. Now (θ) 146.6°
Sep first 23.5 Sep last 28.26 Sep. Now (ρ) 28.26"
Mag pri 6.85 Mag sec 13.20 delta mag (ΔM) 6.35 Spectral class B9V (blue-white)
Pri motion ra -016 Sec motion ra +011
Pri motion dec +002 Sec motion dec -048
Notes N (See Notes)
rPM=1.154
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 21 Leo Constellation Leo SAO 98806 HIP 48298
Tycho2 0831-01103-1 Gaia DR2 613187739206026752 HD 85259 GC 13548
BD BD+12 2105 Flamsteed 21 Leonis Flamsteed name 21 Leo Distance 237.53
Distance ly 774.82
 
 
WDS 09508+1151 J 389 (21 Leo) : NOTES
 
 
discov_num notes refcode
J 389 21 Leo.
 
 
REFERENCES
 
 
refcode metd author reference
J__1908 Ma - Jonckheere, R. 1908BuAsI..25..458J
J__1908 Bull. Astronomique 25, 458, 1908
J__1909a Ma - Jonckheere, R. ...................
J__1909a Journal Astronomique 1, no. 1, 1, 1909
J__1909b Ma - Jonckheere, R. ...................
J__1909b Journal Astronomique 1, no. 2, 1909
J__1909c Ma - Jonckheere, R. ...................
J__1909c Journal Astronomique 1, no. 3, 1909
J__1910a Ma j Jonckheere, R. ...................
J__1910a Journal Astronomique 1, no. 4, 25, 1910
J__1910b Ma - Jonckheere, R. ...................
J__1910b Journal Astronomique 1, no. 5, 1910
J__1910c Ma j Jonckheere, R. ...................
J__1910c Journal Astronomique 1, no. 7, 1910
J__1910d Ma - Jonckheere, R. ...................
J__1910d Journal Astronomique 1, no. 7, 1910
J__1910e Ma j Jonckheere, R. ...................
J__1910e Journal Astronomique 1, no. 7, 1910
J__1910f Ma j Jonckheere, R. ...................
J__1910f Journal Astronomique 1, no. 10, 77, 1910
J__1910g Ma - Jonckheere, R. ...................
J__1910g Journal Astronomique 1, no. 11, 81, 1910
J__1910h Ma j Jonckheere, R. ...................
J__1910h Journal Astronomique 1, no. 12, 89, 1910
J__1910i Ma j Jonckheere, R. ...................
J__1910i Journal Astronomique 1, no. 13, 98, 1910
J__1911a Ma - Jonckheere, R. ...................
J__1911a Journal Astronomique 1, no. 15, 114, 1911
J__1911b Ma j Jonckheere, R. ...................
J__1911b Journal Astronomique 1, no. 16, 121, 1911
J__1911c Ma j Jonckheere, R. 1911MNRAS..71..750J
J__1911c MNRAS 71, 750, 1911
J__1911d Ma - Jonckheere, R. 1911MNRAS..72...45J
J__1911d MNRAS 72, 45, 1911
J__1911e Ma - Jonckheere, R. 1911MNRAS..72..156J
J__1911e MNRAS 72, 156, 1911
J__1911f Ma j Jonckheere, R. 1911MNRAS..72..162J
J__1911f MNRAS 72, 162, 1911
J__1912a Ma j Jonckheere, R. 1912MNRAS..72..188J
J__1912a MNRAS 72, 188, 1912
J__1912b Ma j Jonckheere, R. ...................
J__1912b Journal Astronomique 1, no. 17, 129, 1912
J__1912c Ma - Jonckheere, R. ...................
J__1912c Journal Astronomique 1, no. 19, 134, 1912
J__1912d Ma j Jonckheere, R. ...................
J__1912d Journal Astronomique 1, no. 21, 145, 1912
J__1912e Ma - Jonckheere, R. ...................
J__1912e Journal Astronomique 1, no. 22, 148, 1912
J__1912f Ma j Jonckheere, R. ...................
J__1912f Journal Astronomique 1, no. 23, 150, 1912
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
J__1912h Ma - Jonckheere, R. ...................
J__1912h Journal Astronomique 2, no. 26, 5, 1912
J__1913a Ma j Jonckheere, R. ...................
J__1913a Journal Astronomique 2, no. 27, 9, 1913
J__1913b Ma j Jonckheere, R. ...................
J__1913b Journal Astronomique 2, no. 28, 13, 1913
J__1914 Ma - Jonckheere, R. ...................
J__1914 Journal Astronomique 2, no. 29, 18, 1914
J__1917a Ma - Jonckheere, R. 1917MmRAS..61....1J
J__1917a MemRAS 61, 1, 1917
J__1917c Ma j Jonckheere, R. 1917AJ.....31....1J
J__1917c AJ 31, 1, 1917
J__1918 Ma - Jonckheere, R. 1918AJ.....31..113J
J__1918 AJ 31, 113, 1918
J__1918b Ma j Jonckheere, R. 1918MNRAS..78..479J
J__1918b MNRAS 78, 479, 1918
J__1919 Ma j Jonckheere, R. 1919AJ.....32...65J
J__1919 AJ 32, 65, 1919
J__1920 Ma - Jonckheere, R. 1920AJ.....32..166J
J__1920 AJ 32, 166, 1920
J__1924 Ma - Jonckheere, R. 1924AJ.....35..173J
J__1924 +Mb AJ 35, 173, 1924
J__1930 Ma j Jonckheere, R. 1930JO.....13...76J
J__1930 J. Obs. 13, 76, 1930
J__1941a Ma - Jonckheere, R. 1941JO.....24...21J
J__1941a J. Obs. 24, 21, 1941
J__1941b Ma - Jonckheere, R. 1941JO.....24...69J
J__1941b +Mb J. Obs. 24, 69, 1941
J__1941c Ma - Jonckheere, R. 1941JO.....24...93J
J__1941c +Mb J. Obs. 24, 93, 1941
J__1941d Ma - Jonckheere, R. 1941JO.....24..114J
J__1941d +Mb J. Obs. 24, 114, 1941
J__1942a Ma - Jonckheere, R. 1942JO.....25...11J
J__1942a J. Obs. 25, 11, 1942
J__1942b Ma - Jonckheere, R. 1942JO.....25...15J
J__1942b J. Obs. 25, 15, 1942
J__1942c Ma - Jonckheere, R. 1942JO.....25...25J
J__1942c +Mb J. Obs. 25, 25, 1942
J__1942d Mb - Jonckheere, R. 1942JO.....25...78J
J__1942d J. Obs. 25, 78, 1942
J__1943 Ma - Jonckheere, R. 1943JO.....26...28J
J__1943 +Mb J. Obs. 26, 28, 1943
J__1944a Ma j Jonckheere, R. 1944JO.....27....1J
J__1944a +Mb J. Obs. 27, 1, 1944
J__1944b Ma - Jonckheere, R. 1944JO.....27....5J
J__1944b J. Obs. 27, 5, 1944
J__1944c Mb - Jonckheere, R. 1944JO.....27....6J
J__1944c J. Obs. 27, 6, 1944
J__1944d Ma j Jonckheere, R. 1944JO.....27....7J
J__1944d +Mb J. Obs. 27, 7, 1944
J__1944e Ma - Jonckheere, R. 1944JO.....27...11J
J__1944e J. Obs. 27, 11, 1944
J__1945 Ma - Jonckheere, R. 1945JO.....28...26J
J__1945 +Mb J. Obs. 28, 26, 1945
J__1946 Mb j Jonckheere, R. 1946JO.....29...49J
J__1946 J. Obs. 29, 49, 1946
J__1948 Ma j Jonckheere, R. 1948JO.....31...65J
J__1948 J. Obs. 31, 65, 1948
J__1949a Ma j Jonckheere, R. 1949JO.....32...13J
J__1949a +Mb J. Obs. 32, 13, 1949
J__1949b Ma j Jonckheere, R. 1949JO.....32...81J
J__1949b +Mb J. Obs. 32, 81, 1949
J__1952 M+ j Jonckheere, R. 1952JO.....35...37J
J__1952 +Pa J. Obs. 35, 37, 1952
J__1953a Ma - Jonckheere, R. 1953JO.....36...44J
J__1953a J. Obs. 36, 44, 1953
J__1953b Mb j Jonckheere, R. 1953JO.....36...49J
J__1953b J. Obs. 36, 49, 1953
J__1954 Mb j Jonckheere, R. 1954JO.....37...13J
J__1954 J. Obs. 37, 13, 1954
J__1955 Mb - Jonckheere, R. 1955JO.....38..254J
J__1955 J. Obs. 38, 254, 1955
J__1957 Mb j Jonckheere, R. 1957JO.....40....1J
J__1957 J. Obs. 40, 1, 1957
J__1958 Mb j Jonckheere, R. 1958JO.....41..145J
J__1958 J. Obs. 41, 145, 1958
J__1962a M+ j Jonckheere, R. 1962QB821.J64......
J__1962a +Pa General Cat. of Double Stars, Marseille, 1962
J__1962b Ma - Jonckheere, R. (measure by Vanderdonck, J.) 1962QB821.J64......
J__1962b General Cat. of Double Stars, Marseille, 1962
J__1963A - Jonckheere, R. 1963icvd.book.....J
J__1963A cited in IDS (Lick Index Cat.), 1963
J__9999 Ma - Jonckheere, R. ...................
J__9999 +Pp 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
09508+1151 J 389 2006 9 147 28.5 6.70 13.20 B9V N D 095049.28+115032.7
09508+1151 J 389 2010 12 145 29.1 6.70 13.20 B9V N 095049.28+115032.7

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

 
 
WDS 09508+1151 J 389 (21 Leo) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09508+1151 J 389 (21 Leo) : MEASURES
 
 
No records found.

 
 
WDS 09508+1151 (21 Leo) : VIRTUAL EYEPIECE
 
 

09508+1151 J 389A mag 6.85 Sp B9V 09508+1151 J 389B sep 28.1 P.A. 147.20 mag 13.2 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 09508+1151 (21 Leo) : ALADIN DSS IMAGE @ 09h 50m 49.28s +11° 50' 32.7"
 
 
 
 
WDS 09508+1151 J 389 (21 Leo) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09508+1151 J 389 distance=0' 09506+1125 SLW 397 distance=26' 09524+1138 CVR1248 distance=27' 09482+1205 TDS6821 distance=42' 09493+1111 DAM1773 distance=46' 09498+1106 TOK 24 distance=47' 09474+1134 MCA 34AB distance=53' 09474+1134 RBR 39AC distance=53' 09534+1109 TDS6882 distance=57' 09509+1045 BPM 565 distance=66' 09359+1242 LAS 12 distance=69' 09462+1117 DEA 29 distance=76' 09552+1104 SLW 404 distance=80' 09497+1026 SLW 396 distance=87' 09479+1319 GWP1237BC distance=92' 09456+1242 BPM 564 distance=93' 09479+1319 ITF 74AB distance=99' 09479+1319 ITF 74AC distance=99' 09477+1023 HEI 490 distance=99' 09566+1246 GRV 803 distance=102' 09578+1158 CVR1259 distance=103' 09564+1040 STF1396AB distance=108' 09564+1040 STF1396AC distance=108' 09550+1014 HJ 144 distance=115' 09586+1154 GWP1263 distance=115' 09478+1004 HO 253 distance=116' 09530+1345 LIE 2 distance=119' 09572+1032 CVR1258 distance=123' 09479+1346 KPP3795 distance=124' 09554+1007 STF1395 distance=124' 09426+1226 SLW 384 distance=126' 09587+1058 H 5 63AB distance=127' 09587+1058 STU 24AC distance=127' 09575+1030 BPM 566 distance=127' 09434+1300 HJ 2505 distance=129' 09476+1351 HEI 58 distance=130' 09554+1343 CBL 294 distance=131' 09419+1218 GWP1216 distance=134' 09427+1049 LDS3916 distance=136' 09532+0936 OCC 4AB distance=139' 09532+0936 DAM1828AB,C distance=139' 09585+1025 OCC 783AB distance=142' 09585+1025 DAM1887AB,C distance=142' 09557+1358 DAM1855 distance=146' 09566+1351 HJ 2512 distance=148' 09518+0921 GWP1246 distance=151' 09468+1410 GWP1235 distance=152' 09579+0959 GIC 89 distance=153' 09585+1003 BRT1265 distance=153' 09475+0924 TDS 554 distance=155' 09403+1200 CVR1236 distance=156' 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 09508+1151 J 389 147 28.3
Show 09506+1125 SLW 397 81 25.7 26
Show 09524+1138 CVR1248 332 3.2 27
Show 09482+1205 TDS6821 277 0.6 42
Show 09493+1111 DAM1773 194 2.9 46
Show 09498+1106 TOK 24 140 1.9 47
Show 09474+1134 MCA 34 AB 341 0.0 53
Show 09474+1134 RBR 39 AC 229 1.6 53
Show 09534+1109 TDS6882 113 0.6 57
Show 09509+1045 BPM 565 122 47.2 66
Show 09359+1242 LAS 12 132 13.8 69
Show 09462+1117 DEA 29 229 9.2 76
Show 09552+1104 SLW 404 55 34.3 80
Show 09497+1026 SLW 396 220 169.5 87
Show 09479+1319 GWP1237 BC 2 157.3 92
Show 09456+1242 BPM 564 164 78.8 93
Show 09479+1319 ITF 74 AB 165 376.0 99
Show 09479+1319 ITF 74 AC 153 229.9 99
Show 09477+1023 HEI 490 236 0.3 99
Show 09566+1246 GRV 803 259 32.4 102
Show 09578+1158 CVR1259 174 3.7 103
Show 09564+1040 STF1396 AB 131 3.9 108
Show 09564+1040 STF1396 AC 276 3.8 108
Show 09550+1014 HJ 144 155 25.6 115
Show 09586+1154 GWP1263 293 27.1 115
Show 09478+1004 HO 253 298 1.3 116
Show 09530+1345 LIE 2 270 0.2 119
Show 09572+1032 CVR1258 28 4.0 123
Show 09479+1346 KPP3795 201 2.2 124
Show 09554+1007 STF1395 229 18.8 124
Show 09426+1226 SLW 384 83 121.0 126
Show 09587+1058 H 5 63 AB 348 49.4 127
Show 09587+1058 STU 24 AC 14 210.7 127
Show 09575+1030 BPM 566 69 14.5 127
Show 09434+1300 HJ 2505 123 19.3 129
Show 09476+1351 HEI 58 344 2.4 130
Show 09554+1343 CBL 294 207 58.0 131
Show 09419+1218 GWP1216 186 8.4 134
Show 09427+1049 LDS3916 43 152.3 136
Show 09532+0936 OCC 4 AB -1 0.1 139
Show 09532+0936 DAM1828 AB,C 210 11.7 139
Show 09585+1025 OCC 783 AB -1 0.1 142
Show 09585+1025 DAM1887 AB,C 285 3.6 142
Show 09557+1358 DAM1855 266 3.9 146
Show 09566+1351 HJ 2512 77 7.3 148
Show 09518+0921 GWP1246 31 34.2 151
Show 09468+1410 GWP1235 12 56.3 152
Show 09579+0959 GIC 89 50 571.1 153
Show 09585+1003 BRT1265 326 4.9 153
Show 09475+0924 TDS 554 277 0.9 155
Show 09403+1200 CVR1236 350 4.4 156

 
 
WDS 09508+1151 : COMPONENTS
 
 
  A
B pa=147.2°
sep=28.08"
 
 
09508+1151 A
 
 
Componente originario normalizzato AB Name 21 Leo Coord arcsec 2000 095049.28+115032.7 Mag 6.85
Spectral class B9V (blue-white) PmRA -16.00 PmDE 2.0 SAO 98806
HIP 48298 Tycho2 0831-01103-1 HD 85259 GC 13548
BD BD+12 2105 Flamsteed 21 Leonis Flamsteed name 21 Leo
Tycho2
Tycho2 0831-01103-1 Pflag RAmdeg 147.70529631 DEmdeg 11.84242315
PmRA -12.5 PmDE 2.7 E RAmdeg 4 E DEmdeg 5
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.43 EpDEm 1990.84
Num 16 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 6.814 E BTmag 0.015 VTmag 6.849
E VTmag 0.010 Prox 999 TYC T HIP 48298
CCDM RAdeg 147.70532556 DEdeg 11.84241667 EpRA 1990 1.80
EpDE 1990 1.38 E RAdeg 3.6 E DEdeg 4.6 Posflg
Corr 0.1
SAO
SAO 98806 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.01 Vmag 6.7 SpType A0
Double code Source 70 CatNum 13548 DM BD+12 2105
DMcomp BDsup HD 85259 M HD 0
GC 13548 RA1950rad 2.56621097 DE1950rad 0.21077721 PmRA2000 -0.0011
PmDE2000 -0.006
Hipparcos
Catalog H HIP 48298 Proxy RAhms 09 50 49.28
DEdms +11 50 32.7 Vmag 6.86 VarFlag R Vmag H
RAdeg 147.705 DEdeg 11.8424 AstroRef Plx 3.63
CCDM 09508+1151 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 85259 BD BD+12 2105
CD CP Dm number +12 2105 VIred -0.02
SpType A0 R SpType Coord arcsec 2000 095049.28+115032.7
Hipparcos 2
HIP 48298 Sn 5 So 0 Nc 1
RArad 2.5779442539 DErad 0.2066891888 Plx 4.21 PmRA -15.57
PmDE 1.56 E RArad 0.5 E DErad 0.22 E Plx 0.5
E pmRA 0.6 E pmDE 0.21 Hpmag 6.8569 E Hpmag 0.0005
SHp 0.007 VA 0 BV -0.042 E BV 0.002
VI -0.02
CCDM
Ccdm 09508+1151 RComp Comp A Note1
Note2 Discov num DRAs 1.23 DDEs -27.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp A0 PmNote *
PmRA -23 PmDE -6 Dm number +12 2105 Cat1 BD
Name2 +12 1176 Cat2 AGK2/3 HD 85259 M HD
ADS BDS A 7539 M ADS BDS N IDS IDS 09454N1219A
HIC 48298
 
 
09508+1151 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 095050.32+115009.1 Mag 13.2 PmRA 11.00
PmDE -48.0 Calc delta mag 6.35 Calc coord yes
CCDM
Ccdm 09508+1151 RComp Comp B Note1
Note2 Discov num J 389 DRAs DDEs
R dRAs Year 1957 Theta 145 Rho 24.5
Obs 2 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7539 M ADS BDS N IDS IDS 09454N1219B
HIC