10200+1950 BAG 32 Ca,Cb

 
 
10h 19m 36.27s +19° 52' 12.0" P.A. 24.00 sep 0.2 mag 9.30,11.30 Sp M4.5Ve
 
 
Coord 2000 10200+1950 Discov num BAG  32 Comp Ca,Cb Coord arcsec 2000 10 19 36.27 +19 52 12.0
Date first 1981 Date last 2012 Obs 4
Pa first 39 Pa last 23.8 P.A. Now (θ) 23.8°
Sep first 0.1 Sep last 0.195 Sep. Now (ρ) 0.195"
Mag pri 9.30 Mag sec 11.30 delta mag (ΔM) 2 Spectral class M4.5Ve (red)
Pri motion ra -499 Sec motion ra
Pri motion dec -043 Sec motion dec
Notes N O R (See Notes, Orbital solution, Red magnitudes)
This double is physical.
 
 
10200+1950 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Algieba 81298 10 19 58 +19 50 29 STF 1424 AB 2020 863 127 4.7 2.37 3.64 1.27 Y
Show 81298 10 19 58 +19 50 29 STF 1424 AC 2016 31 288 341.2 2.37 9.64 7.27
Show 81298 10 19 58 +19 50 29 STF 1424 AD 2016 15 302 371.3 2.37 10.62 8.25
Show 10 19 59 +19 50 27 STF 1424 BC 1998 9 288 327.4 3.64 9.64 6.00
Show 10 19 36 +19 52 12 BAG 32 Ca,Cb 2012 4 24 0.2 9.30 11.30 2.00 Y <===
Show 10 19 36 +19 52 12 STF 1424 CD 2016 30 6 90.7 9.64 10.62 0.98
Show 10 19 36 +19 52 12 FYM 38 CE 2012 3 59 148.6 9.64 12.95 3.31
Show 10 19 36 +19 52 12 FYM 38 CF 2012 3 238 53.4 9.64 14.10 4.46
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo Tycho2 1423-00174-1 ADS 7724
 
 
ORBITAL ELEMENTS
 
 
Period (P)26.5y Periastron (T)1915y Semi-major axis (a)0.1109a
Eccentricity (e)0.6 Inclination (i)91.1° Longitude of periastron (ω)277.3°
Node (Ω)126.3° Notesn ReferenceReu1943
Equinox Last observation1942 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 124.6 0.071
2001 124.0 0.062
2002 123.2 0.051
2003 122.0 0.040
2004 119.6 0.027
2005 113.0 0.014
2006 46.2 0.003
2007 321.3 0.013
2008 313.7 0.026
2009 311.2 0.039
2010 309.9 0.051
2011 309.1 0.062
2012 308.5 0.073
2013 308.1 0.082
2014 307.7 0.090
2015 307.4 0.095
2016 307.2 0.098
2017 306.9 0.096
2018 306.6 0.089
2019 306.2 0.073
2020 305.4 0.043
2021 134.8 0.006
2022 126.8 0.050
2023 126.1 0.072
2024 125.7 0.080
2025 125.3 0.080
2026 124.8 0.075
2027 124.3 0.067
2028 123.7 0.057
2029 122.7 0.046
2030 121.0 0.033


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds10200%2B1950r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 10200+1950 BAG 32 Ca,Cb : NOTES
 
 
discov_num notes refcode
STF1424 A: gam Leo = 41 Leo = Algieba
Star C is flare star AD Leo = BD +20 2465, 5' distant, and not Bag1984b
related to the pair AB. This companion has been detected only at
7500 Angstroms, and is expected to have a very low mass.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
D is BD+20@2464.
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
BAG 32 Ca,Cb. 1981.2446: Flare star (M4.5Ve) known as having an unseen
companion of P ~ 27 yr (Reuyl 1943). Companion has been detected only Reu1943
at 750 nm. The companion is expected to have a very low mass. Bag1984b
STF1424 AB: H 1 28. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Bag1984b S j Balega, Y.Y., Bonneau, D., & Foy, R 1984A&AS...57...31B
Bag1984b A&AS 57, 31, 1984
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Reu1943 orb - Reuyl, D. 1943ApJ....97..186R
Reu1943 ApJ 97, 186, 1943
 
 
DISCOVERER
 
 
idgroup discov author
1 FYM Fay, M.
28 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
10200+1950 BAG 32 Ca,Cb 1983 3 337 0.1 9.64   N 101936.26+195211.9
10200+1950 BAG 32 Ca,Cb 2012 4 24 0.2 9.64   M4.5Ve NO 101936.27+195212.0

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

 
 
WDS 10200+1950 BAG 32 Ca,Cb : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10200+1950 BAG 32 Ca,Cb : MEASURES
 
 
No records found.

 
 
WDS 10200+1950 : VIRTUAL EYEPIECE
 
 

10200+1950 STF1424A mag 2.37 Sp K1III 10200+1950 STF1424B sep 4.7 P.A. 125.30 mag 3.64 Sp G5III 10200+1950 STF1424C sep 328.0 P.A. 288.20 mag 9.64 Sp M4.5V 10200+1950 BAG  32Cb sep 328.0 P.A. 288.30 mag 11.3 10200+1950 STF1424D sep 355.6 P.A. 303.80 mag 10.62 Sp G5V 10200+1950 FYM  38E sep 262.9 P.A. 313.10 mag 12.95 10200+1950 FYM  38F sep 361.7 P.A. 281.80 mag 14.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 10200+1950 : ALADIN DSS IMAGE @ 10h 19m 36.27s +19° 52' 12.0"
 
 
 
 
WDS 10200+1950 BAG 32 Ca,Cb : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


10200+1950  BAG  32Ca,Cb distance=0' 10200+1950  STF1424AB (Algieba) distance=6' 10200+1950  STF1424AC (Algieba) distance=6' 10200+1950  STF1424AD (Algieba) distance=6' 10200+1950  STF1424BC distance=6' 10192+2008  CVR1280 distance=17' 10197+1928  WNO  53AB distance=25' 10178+2000  A  2149AB distance=28' 10178+2000  A  2149AC distance=28' 10178+2000  GII 170Aa,Ab distance=28' 10168+1955  CVR1276 distance=40' 10192+2034  STF1423 distance=43' 10199+1856  CVR1282 distance=57' 10213+1859  TDS7209 distance=58' 10192+1850  COU 289 distance=63' 10208+2058  SLW 464 distance=69' 10197+1928  LDS3969BC distance=73' 10248+2002  FMR 215 distance=74' 10151+1907  STF1417 distance=78' 10141+2014  DAM2164 distance=81' 10139+2024  DAM2157 distance=87' 10264+1951  GWP1372 distance=96' 10217+2124  HJL1058 distance=97' 10168+1822  HJ  478AB distance=99' 10168+1822  HJ  478AC distance=99' 10125+1942  COU 288 distance=101' 10143+2104  BWL  25 distance=104' 10269+1931  COU 292 distance=106' 10210+1809  COU  50 distance=106' 10120+2007  HJ  476 distance=108' 10217+2144  COU 171 distance=116' 10157+1810  RAO 242 distance=116' 10185+2148  DAM2283 distance=118' 10280+1950  STF1435 distance=118' 10203+1753  COU 290 distance=120' 10119+1853  KPP 862 distance=124' 10187+2155  COU 170 distance=124' 10228+2149  KPP 220 distance=126' 10176+2155  LDS3973 distance=126' 10269+2106  CVR1291 distance=126' 10174+2156  CVR 554 distance=128' 10261+1821  COU 291 distance=130' 10274+1834  GWP1376 distance=135' 10126+1820  ZHN  15 distance=136' 10121+2118  A  2146 distance=137' 10163+1744  STT 215 distance=137' 10146+1753  L    10 distance=139' 10110+1834  COU 287 distance=146' 10228+1733  SLW 468 distance=147' 10093+2020  A  2145 distance=148' 10262+1756  HAU  22 distance=150' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 10200+1950 BAG 32 Ca,Cb 24 0.2
Show 10200+1950 STF1424 CD 6 90.7
Show 10200+1950 FYM 38 CE 59 148.6
Show 10200+1950 FYM 38 CF 238 53.4
Show Algieba 10200+1950 STF1424 AB 127 4.7 6
Show Algieba 10200+1950 STF1424 AC 288 341.2 6
Show Algieba 10200+1950 STF1424 AD 302 371.3 6
Show 10200+1950 STF1424 BC 288 327.4 6
Show 10192+2008 CVR1280 275 3.3 17
Show 10197+1928 WNO 53 AB 308 999.9 25
Show 10178+2000 A 2149 AB 306 1.5 28
Show 10178+2000 A 2149 AC 194 9.6 28
Show 10178+2000 GII 170 Aa,Ab 96 0.2 28
Show 10168+1955 CVR1276 75 3.4 40
Show 10192+2034 STF1423 308 0.7 43
Show 10199+1856 CVR1282 74 3.1 57
Show 10213+1859 TDS7209 65 0.7 58
Show 10192+1850 COU 289 68 0.2 63
Show 10208+2058 SLW 464 77 179.6 69
Show 10197+1928 LDS3969 BC 10 5.2 73
Show 10248+2002 FMR 215 264 2.5 74
Show 10151+1907 STF1417 78 2.4 78
Show 10141+2014 DAM2164 94 5.3 81
Show 10139+2024 DAM2157 222 4.8 87
Show 10264+1951 GWP1372 145 110.9 96
Show 10217+2124 HJL1058 149 196.1 97
Show 10168+1822 HJ 478 AB 127 18.4 99
Show 10168+1822 HJ 478 AC 180 24.7 99
Show 10125+1942 COU 288 2 0.6 101
Show 10143+2104 BWL 25 320 0.1 104
Show 10269+1931 COU 292 50 0.2 106
Show 10210+1809 COU 50 177 0.2 106
Show 10120+2007 HJ 476 49 24.1 108
Show 10217+2144 COU 171 130 3.7 116
Show 10157+1810 RAO 242 245 0.7 116
Show 10185+2148 DAM2283 239 16.5 118
Show 10280+1950 STF1435 203 8.5 118
Show 10203+1753 COU 290 122 0.4 120
Show 10119+1853 KPP 862 231 7.3 124
Show 10187+2155 COU 170 112 0.9 124
Show 10228+2149 KPP 220 149 3.9 126
Show 10176+2155 LDS3973 53 15.0 126
Show 10269+2106 CVR1291 106 3.6 126
Show 10174+2156 CVR 554 233 19.8 128
Show 10261+1821 COU 291 66 0.8 130
Show 10274+1834 GWP1376 283 136.8 135
Show 10126+1820 ZHN 15 67 435.1 136
Show 10121+2118 A 2146 180 0.1 137
Show 10163+1744 STT 215 176 1.5 137
Show 10146+1753 L 10 352 1.1 139
Show 10110+1834 COU 287 94 1.4 146

 
 
WDS 10200+1950 : COMPONENTS
 
 
  A B C Cb D E
B pa=125.3°
sep=4.67"
 
C pa=288.2°
sep=327.97"
pa=288.5°
sep=332.44"
 
Cb pa=288.3°
sep=327.96"
pa=288.5°
sep=332.42"
pa=22.5°
sep=0.19"
 
D pa=303.8°
sep=355.60"
pa=303.8°
sep=360.27"
pa=9.5°
sep=96.59"
pa=9.5°
sep=96.40"
 
E pa=313.1°
sep=262.86"
pa=312.9°
sep=267.49"
pa=57.2°
sep=142.14"
pa=57.3°
sep=141.99"
pa=100.0°
sep=105.10"
 
F pa=281.8°
sep=361.71"
pa=282.1°
sep=365.99"
pa=236.2°
sep=51.15"
pa=236.1°
sep=51.32"
pa=205.3°
sep=136.85"
pa=236.9°
sep=193.29"
 
 
10200+1950 A
 
 
Common name Algieba Meaning From Arabic: ?????? al-jabha ('the forehead' [of the lion]). Other names Algeiba Coord arcsec 2000 101958.35+195029.4
Mag 2.37 Spectral class K1III (yellow-orange) PmRA 311.00 PmDE -153.0
SAO 81298 HIP 50583 Tycho2 1423-01349-1 HD 89484
HR 4057 GC 14177 BD BD+20 2467 Bayer Gamma Leonis
Bayer name Gam Leo Flamsteed 41 Leonis Flamsteed name 41 Leo
SAO
SAO 81298 DelFlag RA1950 PmRA1950 0.0218
DE1950 PmDE1950 -0.151 Vmag 2.6 SpType K0
Double code Source 70 CatNum 14177 DM BD+20 2467
DMcomp A BDsup HD 89484 M HD 0
GC 14177 RA1950rad 2.69312452 DE1950rad 0.35072808 PmRA2000 0.0217
PmDE2000 -0.147
Hipparcos
Catalog H HIP 50583 Proxy H RAhms 10 19 58.16
DEdms +19 50 30.7 Vmag 2.01 VarFlag 1 R Vmag G
RAdeg 154.992 DEdeg 19.8419 AstroRef A Plx 25.96
CCDM 10199+1951 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 124 Rho 4.581 HD 89484 BD BD+20 2467
CD CP Dm number +20 2467 VIred 1.17
SpType K0III R SpType Coord arcsec 2000 101958.16+195030.7
Hipparcos 2
HIP 50583 Sn 17 So 3 Nc 2
RArad 2.7051266664 DErad 0.3463057904 Plx 25.07 PmRA 304.3
PmDE -154.28 E RArad 0.58 E DErad 0.32 E Plx 0.52
E pmRA 0.71 E pmDE 0.36 Hpmag 2.1684 E Hpmag 0.0011
SHp 0.006 VA 2 BV 1.128 E BV 0.029
VI 1.17
 
 
10200+1950 B
 
 
Coord arcsec 2000 101958.62+195026.7 Coord calc 101958.62+195026.7 Mag 3.64 Spectral class G5III (yellow)
PmRA 306.00 PmDE -161.0 Calc delta mag 1.27
 
 
10200+1950 C
 
 
Var name AD Leo Coord arcsec 2000 101936.27+195212.0 Coord calc 101936.27+195212.0 Mag 9.64
Spectral class M4.5V (red) PmRA -499.00 PmDE -40.0 Tycho2 1423-00174-1
Calc delta mag 7.27
Tycho2
Tycho2 1423-00174-1 Pflag RAmdeg 154.90113196 DEmdeg 19.87002421
PmRA -501.8 PmDE -42.8 E RAmdeg 41 E DEmdeg 55
E pmRA 1.4 E pmDE 1.5 EpRAm 1971.49 EpDEm 1959.71
Num 10 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 11.426 E BTmag 0.085 VTmag 9.640
E VTmag 0.031 Prox 898 TYC T HIP
CCDM RAdeg 154.90238722 DEdeg 19.87011444 EpRA 1990 1.67
EpDE 1990 1.16 E RAdeg 111.9 E DEdeg 163.0 Posflg
Corr -0.1
 
 
10200+1950 Cb
 
 
Coord arcsec 2000 101936.28+195212.2 Mag 11.3 Calc delta mag 8.93 Calc coord yes
 
 
10200+1950 D
 
 
Coord arcsec 2000 101937.40+195347.3 Mag 10.62 Spectral class G5V (yellow) PmRA -8.00
PmDE -25.0 Tycho2 1423-00165-1 Calc delta mag 8.25 Calc coord yes
Tycho2
Tycho2 1423-00165-1 Pflag RAmdeg 154.90138127 DEmdeg 19.89499863
PmRA -10.9 PmDE -24.5 E RAmdeg 79 E DEmdeg 86
E pmRA 1.9 E pmDE 2.2 EpRAm 1947.54 EpDEm 1936.91
Num 5 Q RAmdeg 0.5 Q DEmdeg 0.6 Q pmRA 0.5
Q pmDE 0.6 BTmag 12.008 E BTmag 0.141 VTmag 10.617
E VTmag 0.065 Prox 898 TYC T HIP
CCDM RAdeg 154.90141667 DEdeg 19.89505083 EpRA 1990 1.66
EpDE 1990 1.25 E RAdeg 125.9 E DEdeg 177.4 Posflg
Corr 0.0
 
 
10200+1950 E
 
 
Coord arcsec 2000 101944.74+195329.0 Mag 12.95 PmRA -8.00 PmDE -3.0
Calc delta mag 10.58 Calc coord yes
 
 
10200+1950 F
 
 
Coord arcsec 2000 101933.26+195143.5 Mag 14.1 PmRA -35.00 PmDE 8.0
Calc delta mag 11.73 Calc coord yes