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Doubles in session


Current system
10197+1928
WNO 53 AB
40 Leo


Nearby doubles
23' : 10200+1950
STF1424AB
Algieba

33' : 10199+1856
CVR1282

37' : 10213+1859
TDS7209

39' : 10192+1850
COU 289

41' : 10192+2008
CVR1280

43' : 10178+2000
A 2149AB

50' : 10168+1955
CVR1276

67' : 10192+2034
STF1423

69' : 10151+1907
STF1417

79' : 10168+1822
HJ 478AB

79' : 10248+2002
FMR 215

82' : 10210+1809
COU 50

92' : 10208+2058
SLW 464

92' : 10141+2014
DAM2164

96' : 10203+1753
COU 290

97' : 10157+1810
RAO 242

97' : 10264+1951
GWP1372

100' : 10139+2024
DAM2157

102' : 10269+1931
COU 292

103' : 10125+1942
COU 288

113' : 10261+1821
COU 291

115' : 10163+1744
STT 215

116' : 10120+2007
HJ 476

117' : 10119+1853
KPP 862

119' : 10280+1950
STF1435

119' : 10217+2124
HJL1058



Selections
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Binary Systems
Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

10197+1928 WNO 53 AB (40 Leo)

 
 
10h 19m 44.17s +19° 28' 15.3" P.A. 308.00 sep 999.9 mag 4.83,14.47 Sp F6IV+M5 dist. 21.37 pc (69.71 l.y.)
 
 
Coord 2000 10197+1928 Discov num WNO  53 Comp AB Coord arcsec 2000 10 19 44.17 +19 28 15.3
Date first 1998 Date last 2001 Obs 2
Pa first 308 Pa last 308.3 P.A. Now (θ) 308.3°
Sep first 999.9 Sep last 5219.46 Sep. Now (ρ) 5219.46"
Mag pri 4.83 Mag sec 14.47 delta mag (ΔM) 9.64 Spectral class F6IV+M5 (yellow-white/red)
Pri motion ra -230 Sec motion ra -224
Pri motion dec -215 Sec motion dec -238
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.073 (< 0.3, Physical double)
This double is physical.
 
 
10197+1928 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 40 Leo 99065 10 19 44 +19 28 15 WNO 53 AB 2001 2 308 999.9 4.83 14.47 9.64 <===
Show 10 14 54 +20 22 13 LDS 3969 BC 2016 6 10 5.2 13.90 16.42 2.52
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 40 Leo Var name NSV4822 Leo Constellation Leo SAO 99065
HIP 50564 Tycho2 1423-01351-1 HD 89449 HR 4054
GC 14170 GL Gl 388.1 BD BD+20 2466 Flamsteed 40 Leonis
Flamsteed name 40 Leo Distance 21.37 Distance ly 69.71
 
 
WDS 10197+1928 WNO 53 AB (40 Leo) : NOTES
 
 
discov_num notes refcode
WNO 53 GJ 9324 + NLTT 23781. CPM pair. Mkr2008
B = NLTT 23781. Co-moving, not binary. Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Mkr2008 E - Makarov, V.V., Zacharias, N., & Hennessy, G.S. 2008ApJ...687..566M
Mkr2008 +orb ApJ 687, 566, 2008
Mkr2008 (new pairs WNO 50 - WNO 57)
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
1 WNO letters trailing each date on reference indicates different observers.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10197+1928 WNO 53 AB 2001 2 308 999.9 4.83 14.47 F6IV+M5 NV 101944.17+192815.3

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

 
 
WDS 10197+1928 WNO 53 AB (40 Leo) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10197+1928 WNO 53 AB (40 Leo) : MEASURES
 
 
No records found.

 
 
WDS 10197+1928 (40 Leo) : VIRTUAL EYEPIECE
 
 

10197+1928 WNO 53A mag 4.83 Sp F6IV 10197+1928 LDS3969B sep 5220.0 P.A. 308.30 mag 13.9 10197+1928 LDS3969C sep 5222.5 P.A. 308.30 mag 16.42 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 10197+1928 (40 Leo) : ALADIN DSS IMAGE @ 10h 19m 44.17s +19° 28' 15.3"
 
 
 
 
WDS 10197+1928 WNO 53 AB (40 Leo) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10197+1928 WNO 53AB distance=0' 10200+1950 STF1424BC distance=23' 10200+1950 STF1424AB (Algieba) distance=23' 10200+1950 STF1424AC (Algieba) distance=23' 10200+1950 STF1424AD (Algieba) distance=23' 10200+1950 BAG 32Ca,Cb distance=25' 10200+1950 STF1424CD distance=25' 10200+1950 FYM 38CE distance=25' 10200+1950 FYM 38CF distance=25' 10199+1856 CVR1282 distance=33' 10213+1859 TDS7209 distance=37' 10192+1850 COU 289 distance=39' 10192+2008 CVR1280 distance=41' 10178+2000 A 2149AB distance=43' 10178+2000 A 2149AC distance=43' 10178+2000 GII 170Aa,Ab distance=43' 10168+1955 CVR1276 distance=50' 10192+2034 STF1423 distance=67' 10151+1907 STF1417 distance=69' 10168+1822 HJ 478AB distance=79' 10168+1822 HJ 478AC distance=79' 10248+2002 FMR 215 distance=79' 10210+1809 COU 50 distance=82' 10197+1928 LDS3969BC distance=87' 10208+2058 SLW 464 distance=92' 10141+2014 DAM2164 distance=92' 10203+1753 COU 290 distance=96' 10157+1810 RAO 242 distance=97' 10264+1951 GWP1372 distance=97' 10139+2024 DAM2157 distance=100' 10269+1931 COU 292 distance=102' 10125+1942 COU 288 distance=103' 10261+1821 COU 291 distance=113' 10163+1744 STT 215 distance=115' 10120+2007 HJ 476 distance=116' 10119+1853 KPP 862 distance=117' 10280+1950 STF1435 distance=119' 10217+2124 HJL1058 distance=119' 10146+1753 L 10 distance=121' 10274+1834 GWP1376 distance=122' 10126+1820 ZHN 15 distance=123' 10143+2104 BWL 25 distance=123' 10228+1733 SLW 468 distance=124' 10243+1738 CVR 564 distance=128' 10262+1756 HAU 22 distance=131' 10271+1804 STF1434 distance=135' 10110+1834 COU 287 distance=136' 10217+2144 COU 171 distance=139' 10180+1711 A 2369 distance=140' 10269+2106 CVR1291 distance=140' 10185+2148 DAM2283 distance=142' 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 10197+1928 WNO 53 AB 308 999.9
Show 10200+1950 STF1424 BC 288 327.4 23
Show Algieba 10200+1950 STF1424 AB 127 4.7 23
Show Algieba 10200+1950 STF1424 AC 288 341.2 23
Show Algieba 10200+1950 STF1424 AD 302 371.3 23
Show 10200+1950 BAG 32 Ca,Cb 24 0.2 25
Show 10200+1950 STF1424 CD 6 90.7 25
Show 10200+1950 FYM 38 CE 59 148.6 25
Show 10200+1950 FYM 38 CF 238 53.4 25
Show 10199+1856 CVR1282 74 3.1 33
Show 10213+1859 TDS7209 65 0.7 37
Show 10192+1850 COU 289 68 0.2 39
Show 10192+2008 CVR1280 275 3.3 41
Show 10178+2000 A 2149 AB 306 1.5 43
Show 10178+2000 A 2149 AC 194 9.6 43
Show 10178+2000 GII 170 Aa,Ab 96 0.2 43
Show 10168+1955 CVR1276 75 3.4 50
Show 10192+2034 STF1423 308 0.7 67
Show 10151+1907 STF1417 78 2.4 69
Show 10168+1822 HJ 478 AB 127 18.4 79
Show 10168+1822 HJ 478 AC 180 24.7 79
Show 10248+2002 FMR 215 264 2.5 79
Show 10210+1809 COU 50 177 0.2 82
Show 10197+1928 LDS3969 BC 10 5.2 87
Show 10208+2058 SLW 464 77 179.6 92
Show 10141+2014 DAM2164 94 5.3 92
Show 10203+1753 COU 290 122 0.4 96
Show 10157+1810 RAO 242 245 0.7 97
Show 10264+1951 GWP1372 145 110.9 97
Show 10139+2024 DAM2157 222 4.8 100
Show 10269+1931 COU 292 50 0.2 102
Show 10125+1942 COU 288 2 0.6 103
Show 10261+1821 COU 291 66 0.8 113
Show 10163+1744 STT 215 176 1.5 115
Show 10120+2007 HJ 476 49 24.1 116
Show 10119+1853 KPP 862 231 7.3 117
Show 10280+1950 STF1435 203 8.5 119
Show 10217+2124 HJL1058 149 196.1 119
Show 10146+1753 L 10 352 1.1 121
Show 10274+1834 GWP1376 283 136.8 122
Show 10126+1820 ZHN 15 67 435.1 123
Show 10143+2104 BWL 25 320 0.1 123
Show 10228+1733 SLW 468 128 10.5 124
Show 10243+1738 CVR 564 51 20.3 128
Show 10262+1756 HAU 22 265 12.4 131
Show 10271+1804 STF1434 282 6.5 135
Show 10110+1834 COU 287 94 1.4 136
Show 10217+2144 COU 171 130 3.7 139
Show 10180+1711 A 2369 296 1.0 140
Show 10269+2106 CVR1291 106 3.6 140
Show 10185+2148 DAM2283 239 16.5 142

 
 
WDS 10197+1928 : COMPONENTS
 
 
  A B
B pa=308.3°
sep=5219.96"
 
C pa=308.3°
sep=5222.47"
pa=9.4°
sep=5.22"
 
 
10197+1928 A
 
 
Name 40 Leo Coord arcsec 2000 101944.17+192815.3 Mag 4.83 Spectral class F6IV (yellow-white)
PmRA -230.00 PmDE -215.0 SAO 99065 HIP 50564
Tycho2 1423-01351-1 HD 89449 HR 4054 GC 14170
BD BD+20 2466 Flamsteed 40 Leonis Flamsteed name 40 Leo
Tycho2
Tycho2 1423-01351-1 Pflag RAmdeg 154.93403667 DEmdeg 19.47091207
PmRA -229.1 PmDE -215.6 E RAmdeg 3 E DEmdeg 4
E pmRA 0.9 E pmDE 0.8 EpRAm 1991.57 EpDEm 1991.01
Num 16 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 5.332 E BTmag 0.014 VTmag 4.834
E VTmag 0.009 Prox 999 TYC T HIP 50564
CCDM RAdeg 154.93459306 DEdeg 19.47142889 EpRA 1990 1.76
EpDE 1990 1.37 E RAdeg 3.4 E DEdeg 3.8 Posflg
Corr 0.1
SAO
SAO 99065 DelFlag RA1950 PmRA1950 -0.0165
DE1950 PmDE1950 -0.22 Vmag 5 SpType F5
Double code Source 70 CatNum 14170 DM BD+20 2466
DMcomp BDsup HD 89449 M HD 0
GC 14170 RA1950rad 2.69224378 DE1950rad 0.34427206 PmRA2000 -0.0166
PmDE2000 -0.214
Hipparcos
Catalog H HIP 50564 Proxy RAhms 10 19 44.31
DEdms +19 28 17.2 Vmag 4.78 VarFlag R Vmag H
RAdeg 154.935 DEdeg 19.4714 AstroRef Plx 47.24
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 89449 BD BD+20 2466
CD CP Dm number +20 2466 VIred 0.53
SpType F6IV R SpType Coord arcsec 2000 101944.31+192817.2
Hipparcos 2
HIP 50564 Sn 5 So 0 Nc 1
RArad 2.70411935 DErad 0.3398406688 Plx 46.8 PmRA -231.73
PmDE -214.33 E RArad 0.22 E DErad 0.14 E Plx 0.24
E pmRA 0.28 E pmDE 0.15 Hpmag 4.8871 E Hpmag 0.0009
SHp 0.006 VA 0 BV 0.452 E BV 0.006
VI 0.53
 
 
10197+1928 B
 
 
Coord arcsec 2000 101453.84+202213.3 Coord calc 101453.84+202213.3 Mag 13.9 PmRA -225.00
PmDE -198.0 Calc delta mag 9.07
 
 
10197+1928 C
 
 
Coord arcsec 2000 101453.90+202218.5 Mag 16.42 PmRA -225.00 PmDE -198.0
Calc delta mag 11.59 Calc coord yes