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Doubles in session


Current system
11480+2013
STFB 7 AB
93 Leo


Nearby doubles
14' : 11475+2002
SHJ 130AB

32' : 11495+1949
GWP1685

46' : 11470+2056
CBL 357

65' : 11526+2014
LDS4153

70' : 11432+2031
CVR1379

76' : 11533+2019
STF1577

80' : 11441+1914
CBL 351

84' : 11539+2020
HU 1256AB

89' : 11542+2023
CBL 363

89' : 11428+2105
HU 888

93' : 11511+1851
HJ 511AB

93' : 11528+2117
UC 2225

100' : 11415+1934
UC 2191

105' : 11545+1925
STTA112AB

107' : 11545+1921
CVR 632

111' : 11547+1916
KPP2373

112' : 11436+1808
COU 26

115' : 11406+2102
STF1566

115' : 11561+2015
BRT2289

118' : 11438+1831
BRT2412

119' : 11452+1821
GIC 101

125' : 11531+1832
GRV1195

125' : 11516+2207
CHR 35

126' : 11528+1828
GWP1696

127' : 11570+2023
DVG 32

128' : 11454+1811
SLW 640



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.

11480+2013 STFB 7 AB (93 Leo)

 
 
11h 47m 59.23s +20° 13' 08.2" P.A. 356.00 sep 75.5 mag 4.59,9.03 Sp A7V dist. 71.33 pc (232.68 l.y.)
 
 
Coord 2000 11480+2013 Discov num STFB  7 Comp AB Coord arcsec 2000 11 47 59.23 +20 13 08.2
Date first 1822 Date last 2020 Obs 35
Pa first 356 Pa last 355.8 P.A. Now (θ) 355.8°
Sep first 74.9 Sep last 75.54 Sep. Now (ρ) 75.54"
Mag pri 4.59 Mag sec 9.03 delta mag (ΔM) 4.44 Spectral class A7V (white)
Pri motion ra -146 Sec motion ra -150
Pri motion dec -004 Sec motion dec -005
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.027 (< 0.3, Physical double)
This double is physical.
 
 
11480+2013 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 81998 11 47 59 +20 13 08 MKT 7 Aa,Ab 1992 9 23 0.0 5.10 5.60 0.50 Y
Show 93 Leo 81998 11 47 59 +20 13 08 STFB 7 AB 2020 35 356 75.5 4.59 9.03 4.44 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 93 Leo Var name DQ Leo Constellation Leo SAO 81998
HIP 57565 Tycho2 1443-02662-1 Gaia DR2 3976203211362055168 HD 102509
HR 4527 GC 16173 BD BD+21 2358 Flamsteed 93 Leonis
Flamsteed name 93 Leo FK5 1304 Distance 71.33 Distance ly 232.68
 
 
WDS 11480+2013 STFB 7 AB (93 Leo) : NOTES
 
 
discov_num notes refcode
STFB 7 93 Leo = LDS4146. A is a spectroscopic binary and light variable,
spectrum composite; A7V+G5III-IVe. B is BD+21@2357.
AB: HJL 156. HJL1986
AB: H 6 80. MEv2010
MKT 7 Visual orbit by Hummel et al. (1995) based on astrometry from Mark III MkT1995
interferometer. Additional spectroscopic data yield component masses,
luminosities, radii, effective temperatures, and distance.
Pourbaix gives combined solution for this resolved SB2, yielding Pbx2000b
orbital parallaxes and component masses.
Hipparcos astrometric solution adopted some elements from the orbit of HIP1997d
Hummel et al. (1995). MkT1995
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 3.97 +/- 0.25, 4.97, and 1.66 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
HIP1997d orb - Hipparcos 1997yCat.1239....0E
HIP1997d Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d (DMSA/O Orbital Solutions)
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)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
MkT1995 Km j Hummel, C.A., Armstrong, J.T., Buscher, D.F., Mozurkewich, D., Quirrenbach, A., & 1995AJ....110..376H
MkT1995 +orb Vivekanand, M.
MkT1995 AJ 110, 376, 1995
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Pbx2000b orb - Pourbaix, D. 2000A&AS..145..215P
Pbx2000b A&AS 145, 215, 2000
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11480+2013 STFB 7 AB 2002 26 357 74.1 4.59 9.03 A7V N DV 114759.23+201308.2
11480+2013 STFB 7 AB 2008 27 356 76.8 4.59 9.03 A7V NVD 114759.23+201308.2
11480+2013 STFB 7 AB 2012 30 355 74.6 4.59 9.03 A7V NVD 114759.23+201308.2
11480+2013 STFB 7 AB 2014 32 355 74.6 4.59 9.03 A7V NVD 114759.23+201308.2
11480+2013 STFB 7 AB 2015 33 356 77.0 4.59 9.03 A7V NVD 114759.23+201308.2
11480+2013 STFB 7 AB 2018 34 355 74.9 4.59 9.03 A7V NV 114759.23+201308.2
11480+2013 STFB 7 AB 2020 35 356 75.5 4.59 9.03 A7V NV 114759.23+201308.2

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

 
 
WDS 11480+2013 STFB 7 AB (93 Leo) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11480+2013 STFB 7 AB (93 Leo) : MEASURES
 
 
No records found.

 
 
WDS 11480+2013 (93 Leo) : VIRTUAL EYEPIECE
 
 

11480+2013 STFB 7A mag 4.59 Sp A7V 11480+2013 MKT 7Ab mag 5.6 11480+2013 STFB 7B sep 75.5 P.A. 356.10 mag 9.03 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 11480+2013 (93 Leo) : ALADIN DSS IMAGE @ 11h 47m 59.23s +20° 13' 08.2"
 
 
 
 
WDS 11480+2013 STFB 7 AB (93 Leo) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11480+2013 STFB 7AB distance=0' 11475+2002 HDS1665Aa,Ab distance=14' 11475+2002 SHJ 130AB distance=14' 11495+1949 GWP1685 distance=32' 11470+2056 CBL 357 distance=46' 11526+2014 LDS4153 distance=65' 11432+2031 CVR1379 distance=70' 11533+2019 STF1577 distance=76' 11441+1914 CBL 351 distance=80' 11539+2020 HU 1256AB distance=84' 11539+2020 HU 1256AC distance=84' 11542+2023 CBL 363 distance=89' 11428+2105 HU 888 distance=89' 11511+1851 HJ 511AB distance=93' 11511+1851 SIN 67AC distance=93' 11528+2117 UC 2225 distance=93' 11415+1934 UC 2191 distance=100' 11545+1925 STTA112AB distance=105' 11545+1925 LBU 14BC distance=105' 11545+1925 LBU 14BD distance=105' 11545+1921 CVR 632 distance=107' 11547+1916 KPP2373 distance=111' 11436+1808 COU 26 distance=112' 11406+2102 STF1566 distance=115' 11561+2015 BRT2289 distance=115' 11438+1831 BRT2412 distance=118' 11452+1821 GIC 101 distance=119' 11531+1832 GRV1195 distance=125' 11516+2207 CHR 35 distance=125' 11528+1828 GWP1696 distance=126' 11570+2023 DVG 32 distance=127' 11454+1811 SLW 640 distance=128' 11396+2105 CVR 120 distance=129' 11571+2026 DVG 33 distance=130' 11557+1902 GWP1706 distance=131' 11574+2019 DVG 34 distance=133' 11489+1802 LDS5742 distance=133' 11438+1808 LNV 10 distance=140' 11466+2231 KER 2Aa,Ab distance=140' 11466+2231 ALP 17AB distance=140' 11396+1900 STF1565 distance=140' 11516+1802 SLW 661 distance=141' 11486+2237 POU3113 distance=144' 11377+2002 KPP3243 distance=146' 11458+1751 CBL 355 distance=146' 11416+2211 KPP2632 distance=148' 11532+2227 POU3117 distance=152' 11378+2111 SLW 620 distance=155' 11377+2107 UC 2179 distance=155' 11560+2159 STF1582 distance=155' 11391+1844 GWP1631 distance=155' 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 11480+2013 MKT 7 Aa,Ab 23 0.0
Show 11480+2013 STFB 7 AB 356 75.5
Show 11475+2002 HDS1665 Aa,Ab 133 1.0 14
Show 11475+2002 SHJ 130 AB 30 71.0 14
Show 11495+1949 GWP1685 283 18.0 32
Show 11470+2056 CBL 357 262 25.2 46
Show 11526+2014 LDS4153 206 59.7 65
Show 11432+2031 CVR1379 165 4.8 70
Show 11533+2019 STF1577 10 8.6 76
Show 11441+1914 CBL 351 213 15.3 80
Show 11539+2020 HU 1256 AB 355 0.3 84
Show 11539+2020 HU 1256 AC 347 1.4 84
Show 11542+2023 CBL 363 75 14.7 89
Show 11428+2105 HU 888 179 0.5 89
Show 11511+1851 HJ 511 AB 245 33.8 93
Show 11511+1851 SIN 67 AC 190 23.9 93
Show 11528+2117 UC 2225 203 5.8 93
Show 11415+1934 UC 2191 297 23.7 100
Show 11545+1925 STTA112 AB 36 73.4 105
Show 11545+1925 LBU 14 BC 350 79.6 105
Show 11545+1925 LBU 14 BD 314 116.5 105
Show 11545+1921 CVR 632 214 18.2 107
Show 11547+1916 KPP2373 223 20.3 111
Show 11436+1808 COU 26 275 2.6 112
Show 11406+2102 STF1566 349 2.4 115
Show 11561+2015 BRT2289 87 1.6 115
Show 11438+1831 BRT2412 292 4.8 118
Show 11452+1821 GIC 101 280 999.9 119
Show 11531+1832 GRV1195 198 15.2 125
Show 11516+2207 CHR 35 143 0.2 125
Show 11528+1828 GWP1696 139 27.0 126
Show 11570+2023 DVG 32 258 53.9 127
Show 11454+1811 SLW 640 74 126.6 128
Show 11396+2105 CVR 120 93 13.6 129
Show 11571+2026 DVG 33 47 32.3 130
Show 11557+1902 GWP1706 328 27.4 131
Show 11574+2019 DVG 34 122 6.1 133
Show 11489+1802 LDS5742 109 4.4 133
Show 11438+1808 LNV 10 115 9.1 140
Show 11466+2231 KER 2 Aa,Ab 209 0.3 140
Show 11466+2231 ALP 17 AB 88 21.1 140
Show 11396+1900 STF1565 304 22.2 140
Show 11516+1802 SLW 661 268 153.1 141
Show 11486+2237 POU3113 110 4.2 144
Show 11377+2002 KPP3243 195 3.9 146
Show 11458+1751 CBL 355 351 87.4 146
Show 11416+2211 KPP2632 201 24.4 148
Show 11532+2227 POU3117 116 10.8 152
Show 11378+2111 SLW 620 39 66.6 155
Show 11377+2107 UC 2179 4 10.4 155
Show 11560+2159 STF1582 76 12.3 155

 
 
WDS 11480+2013 : COMPONENTS
 
 
  A Ab
Ab pa=21.5°
sep=0.01"
 
B pa=356.1°
sep=75.52"
pa=356.1°
sep=75.51"
 
 
11480+2013 A
 
 
Name 93 Leo Coord arcsec 2000 114759.23+201308.2 Mag 4.59 Spectral class A7V (white)
PmRA -146.00 PmDE -4.0 SAO 81998 HIP 57565
Tycho2 1443-02662-1 HD 102509 HR 4527 GC 16173
BD BD+21 2358 Flamsteed 93 Leonis Flamsteed name 93 Leo FK5 1304
Tycho2
Tycho2 1443-02662-1 Pflag RAmdeg 176.99639963 DEmdeg 20.21893252
PmRA -145.3 PmDE -3.7 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.47 EpDEm 1991.07
Num 23 Q RAmdeg 1.7 Q DEmdeg 1.8 Q pmRA 1.6
Q pmDE 1.7 BTmag 5.179 E BTmag 0.014 VTmag 4.585
E VTmag 0.009 Prox 745 TYC T HIP 57565
CCDM RAdeg 176.99674889 DEdeg 20.21894111 EpRA 1990 1.88
EpDE 1990 1.68 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr 0.4
SAO
SAO 81998 DelFlag RA1950 PmRA1950 -0.0107
DE1950 PmDE1950 -0.008 Vmag 4.5 SpType F8
Double code Source 74 CatNum 1304 DM BD+21 2358
DMcomp BDsup HD 102509 M HD 0
GC 16173 RA1950rad 3.07792166 DE1950rad 0.35773785 PmRA2000 -0.0107
PmDE2000 -0.003
Hipparcos
Catalog H HIP 57565 Proxy RAhms 11 47 59.23
DEdms +20 13 08.2 Vmag 4.5 VarFlag R Vmag H
RAdeg 176.997 DEdeg 20.2189 AstroRef + Plx 14.4
CCDM 11480+2014 N CCDM I Nsys 1 Ncomp 1
MultFlag O Source Qual M HIP
Theta Rho HD 102509 BD BD+21 2358
CD CP Dm number +21 2358 VIred 0.69
SpType A comp SB R SpType Coord arcsec 2000 114759.23+201308.2
Hipparcos 2
HIP 57565 Sn 75 So 4 Nc 1
RArad 3.0891765176 DErad 0.3528870936 Plx 14.02 PmRA -145.49
PmDE -4.34 E RArad 0.2 E DErad 0.13 E Plx 0.23
E pmRA 0.2 E pmDE 0.17 Hpmag 4.6286 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.547 E BV 0.007
VI 0.69
 
 
11480+2013 Ab
 
 
Coord arcsec 2000 114759.23+201308.2 Mag 5.6 Calc delta mag 0.5 Calc coord yes
 
 
11480+2013 B
 
 
Coord arcsec 2000 114758.86+201423.5 Mag 9.03 PmRA -150.00 PmDE -5.0
Tycho2 1443-00579-1 Calc delta mag 3.93 Calc coord yes
Tycho2
Tycho2 1443-00579-1 Pflag RAmdeg 176.99465462 DEmdeg 20.23957598
PmRA -147.6 PmDE -2.0 E RAmdeg 9 E DEmdeg 13
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.94 EpDEm 1989.21
Num 7 Q RAmdeg 0.9 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.5 BTmag 9.683 E BTmag 0.024 VTmag 9.033
E VTmag 0.018 Prox 745 TYC T HIP
CCDM RAdeg 176.99500944 DEdeg 20.23958028 EpRA 1990 1.89
EpDE 1990 1.70 E RAdeg 8.5 E DEdeg 13.9 Posflg
Corr 0.1