10227+1521 STT 216 (HD 89906)

 
 
10h 22m 43.81s +15° 20' 39.7" P.A. 228.00 sep 2.5 mag 7.38,10.28 Sp G5 dist. 28.77 pc (93.85 l.y.)
 
 
Coord 2000 10227+1521 Discov num STT 216 Comp Coord arcsec 2000 10 22 43.81 +15 20 39.7
Date first 1843 Date last 2021 Obs 179
Pa first 164 Pa last 227.6 P.A. Now (θ) 227.2°
Sep first 1.9 Sep last 2.48 Sep. Now (ρ) 2.339"
Mag pri 7.38 Mag sec 10.28 delta mag (ΔM) 2.9 Spectral class G5 (yellow)
Pri motion ra -251 Sec motion ra -262
Pri motion dec -101 Sec motion dec -086
Notes N O (See Notes, Orbital solution)
rPM=0.067 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 89906 Constellation Leo SAO 99091 HIP 50829
Tycho2 1420-01200-1 Gaia DR2 3887696579776144512 HD 89906 GC 14245
ADS 7744 GL NN 3596 BD BD+16 2116 Distance 28.77
Distance ly 93.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)314.93y Periastron (T)1941.24y Semi-major axis (a)1.84a
Eccentricity (e)0.544 Inclination (i)144.6° Longitude of periastron (ω)42.1°
Node (Ω)53.3° Notesn ReferenceSca2009c
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 240.2 1.973
2001 239.5 1.992
2002 238.9 2.011
2003 238.2 2.030
2004 237.6 2.049
2005 237.0 2.067
2006 236.3 2.085
2007 235.7 2.102
2008 235.1 2.119
2009 234.6 2.136
2010 234.0 2.153
2011 233.4 2.169
2012 232.9 2.185
2013 232.3 2.200
2014 231.8 2.216
2015 231.2 2.230
2016 230.7 2.245
2017 230.2 2.259
2018 229.7 2.273
2019 229.2 2.287
2020 228.7 2.301
2021 228.2 2.314
2022 227.7 2.327
2023 227.2 2.339
2024 226.7 2.351
2025 226.2 2.363
2026 225.7 2.375
2027 225.3 2.387
2028 224.8 2.398
2029 224.4 2.409
2030 223.9 2.419


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



 
 


wds10227%2B1521a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 10227+1521 STT 216 (HD 89906) : NOTES
 
 
discov_num notes refcode
STT 216 See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Sca2009c orb - Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W. 2009IAUDS.168....1S
Sca2009c Inf. Circ. 168, 1, 2009
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10227+1521 STT 216 2006 158 237 2.1 7.38 10.28 G5 NOD 102243.81+152039.7
10227+1521 STT 216 2009 161 234 2.2 7.38 10.28 G5 NOD 102243.81+152039.7
10227+1521 STT 216 2010 163 233 2.2 7.38 10.28 G5 NOD 102243.81+152039.7
10227+1521 STT 216 2013 168 232 2.3 7.38 10.28 G5 NOD 102243.81+152039.7
10227+1521 STT 216 2014 171 232 2.3 7.38 10.28 G5 NO 102243.81+152039.7
10227+1521 STT 216 2015 173 231 2.3 7.38 10.28 G5 NO 102243.81+152039.7
10227+1521 STT 216 2016 174 230 2.2 7.38 10.28 G5 NO 102243.81+152039.7
10227+1521 STT 216 2021 179 228 2.5 7.38 10.28 G5 NO 102243.81+152039.7

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

 
 
WDS 10227+1521 STT 216 (HD 89906) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10227+1521 STT 216 (HD 89906) : MEASURES
 
 
No records found.

 
 
WDS 10227+1521 (HD 89906) : VIRTUAL EYEPIECE
 
 

10227+1521 STT 216A mag 7.38 Sp G5 10227+1521 STT 216B sep 2.4 P.A. 226.60 mag 10.28 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 10227+1521 (HD 89906) : ALADIN DSS IMAGE @ 10h 22m 43.81s +15° 20' 39.7"
 
 
 
 
WDS 10227+1521 STT 216 (HD 89906) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


10227+1521  STT 216 distance=0' 10245+1546  TDS7252 distance=36' 10205+1546  CVR1283 distance=41' 10204+1543  LDS3979 distance=41' 10193+1506  LDS3978 distance=52' 10254+1603  BPM 573 distance=58' 10264+1438  BPM 574 distance=69' 10275+1531  KPP1579 distance=69' 10276+1518  NSN 603 distance=71' 10273+1451  SKF2795 distance=72' 10190+1613  BPM 571 distance=76' 10283+1523  GWP1379 distance=81' 10164+1529  GWP1335 distance=92' 10290+1435  GWP1386 distance=103' 10228+1333  GWP1354 distance=108' 10305+1511  SKF2796 distance=114' 10298+1441  HJ  162 distance=116' 10157+1424  HJ  155 distance=118' 10305+1444  J   736 distance=118' 10308+1450  TDS7307 distance=121' 10199+1327  HJ  158 distance=121' 10149+1617  GWP1326AB distance=127' 10259+1323  SLW 471 distance=127' 10269+1713  STT 217 distance=128' 10160+1645  SLW 454 distance=129' 10139+1501  GWP1313 distance=130' 10180+1711  A  2369 distance=130' 10193+1318  GWP1345BC distance=132' 10193+1318  GWP1345AB distance=133' 10228+1733  SLW 468 distance=133' 10288+1341  GWP1383 distance=133' 10316+1441  J   737 distance=135' 10243+1738  CVR 564 distance=140' 10138+1425  SLW 447 distance=142' 10319+1613  SLW 484 distance=142' 10162+1708  WIS 168 distance=143' 10147+1648  HJ 4296 distance=145' 10157+1705  FMR 214 distance=146' 10125+1552  HDS1470 distance=152' 10171+1309  BOY   4Aa,Ab distance=156' 10171+1309  JMS   2AB distance=156' 10203+1753  COU 290 distance=157' 10336+1513  STF1446 distance=157' 10302+1325  SLW 481 distance=159' 10123+1621  STF1413 distance=162' 10285+1309  STF1438 distance=163' 10238+1239  BPM 572 distance=163' 10262+1756  HAU  22 distance=164' 10301+1316  SLW 480 distance=165' 10111+1531  A  2368 distance=168' 10210+1809  COU  50 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 10227+1521 STT 216 228 2.5
Show 10245+1546 TDS7252 335 0.7 36
Show 10205+1546 CVR1283 347 3.9 41
Show 10204+1543 LDS3979 350 10.1 41
Show 10193+1506 LDS3978 20 93.8 52
Show 10254+1603 BPM 573 133 50.8 58
Show 10264+1438 BPM 574 69 14.6 69
Show 10275+1531 KPP1579 114 12.0 69
Show 10276+1518 NSN 603 306 4.2 71
Show 10273+1451 SKF2795 218 14.5 72
Show 10190+1613 BPM 571 320 30.0 76
Show 10283+1523 GWP1379 249 27.9 81
Show 10164+1529 GWP1335 187 91.7 92
Show 10290+1435 GWP1386 72 149.2 103
Show 10228+1333 GWP1354 236 82.1 108
Show 10305+1511 SKF2796 82 6.5 114
Show 10298+1441 HJ 162 332 25.3 116
Show 10157+1424 HJ 155 148 14.2 118
Show 10305+1444 J 736 204 2.5 118
Show 10308+1450 TDS7307 292 0.5 121
Show 10199+1327 HJ 158 153 23.2 121
Show 10149+1617 GWP1326 AB 325 41.5 127
Show 10259+1323 SLW 471 18 8.7 127
Show 10269+1713 STT 217 150 0.8 128
Show 10160+1645 SLW 454 117 8.0 129
Show 10139+1501 GWP1313 245 12.6 130
Show 10180+1711 A 2369 296 1.0 130
Show 10193+1318 GWP1345 BC 207 83.0 132
Show 10193+1318 GWP1345 AB 308 122.5 133
Show 10228+1733 SLW 468 128 10.5 133
Show 10288+1341 GWP1383 141 106.9 133
Show 10316+1441 J 737 114 1.9 135
Show 10243+1738 CVR 564 51 20.3 140
Show 10138+1425 SLW 447 310 158.5 142
Show 10319+1613 SLW 484 213 42.0 142
Show 10162+1708 WIS 168 167 158.7 143
Show 10147+1648 HJ 4296 143 15.9 145
Show 10157+1705 FMR 214 26 5.5 146
Show 10125+1552 HDS1470 60 0.3 152
Show 10171+1309 BOY 4 Aa,Ab 301 0.1 156
Show 10171+1309 JMS 2 AB 117 124.6 156
Show 10203+1753 COU 290 122 0.4 157
Show 10336+1513 STF1446 250 5.5 157
Show 10302+1325 SLW 481 74 40.8 159
Show 10123+1621 STF1413 270 1.8 162
Show 10285+1309 STF1438 245 9.3 163
Show 10238+1239 BPM 572 241 97.8 163
Show 10262+1756 HAU 22 265 12.4 164
Show 10301+1316 SLW 480 196 16.8 165
Show 10111+1531 A 2368 167 0.8 168
Show 10210+1809 COU 50 177 0.2 170

 
 
WDS 10227+1521 : COMPONENTS
 
 
  A
B pa=226.6°
sep=2.43"
 
 
10227+1521 A
 
 
Componente originario normalizzato AB Name HD 89906 Coord arcsec 2000 102243.81+152039.7 Mag 7.38
Spectral class G5 (yellow) PmRA -251.00 PmDE -101.0 SAO 99091
HIP 50829 Tycho2 1420-01200-1 HD 89906 GC 14245
BD BD+16 2116
Tycho2
Tycho2 1420-01200-1 Pflag RAmdeg 155.68253709 DEmdeg 15.34436637
PmRA -250.8 PmDE -101.4 E RAmdeg 6 E DEmdeg 6
E pmRA 2.2 E pmDE 2.0 EpRAm 1991.74 EpDEm 1991.67
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.3
Q pmDE 0.9 BTmag 8.111 E BTmag 0.017 VTmag 7.380
E VTmag 0.012 Prox 18 TYC T HIP 50829
CCDM A RAdeg 155.68312806 DEdeg 15.34459806 EpRA 1990 1.82
EpDE 1990 1.77 E RAdeg 5.6 E DEdeg 6.1 Posflg
Corr 0.1
SAO
SAO 99091 DelFlag RA1950 PmRA1950 -0.0183
DE1950 PmDE1950 -0.116 Vmag 7.4 SpType G5
Double code Source 70 CatNum 14245 DM BD+16 2116
DMcomp BDsup HD 89906 M HD 0
GC 14245 RA1950rad 2.70549262 DE1950rad 0.27224624 PmRA2000 -0.0183
PmDE2000 -0.11
Hipparcos
Catalog H HIP 50829 Proxy H RAhms 10 22 43.96
DEdms +15 20 40.6 Vmag 7.26 VarFlag R Vmag H
RAdeg 155.683 DEdeg 15.3446 AstroRef A Plx 35.1
CCDM 10227+1521 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 246 Rho 1.81 HD 89906 BD BD+16 2116
CD CP Dm number +16 2116 VIred 0.71
SpType G5 R SpType Coord arcsec 2000 102243.96+152040.6
Hipparcos 2
HIP 50829 Sn 15 So 3 Nc 2
RArad 2.717183952 DErad 0.267814015 Plx 34.76 PmRA -260.4
PmDE -86.75 E RArad 0.65 E DErad 0.44 E Plx 0.69
E pmRA 0.76 E pmDE 0.44 Hpmag 7.3969 E Hpmag 0.0008
SHp 0.008 VA 0 BV 0.6 E BV 0.495
VI 0.71
CCDM
Ccdm 10227+1521 RComp Comp A Note1
Note2 Discov num DRAs 1.77 DDEs -20.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp G5 PmNote *
PmRA -259 PmDE -95 Dm number +16 2116 Cat1 BD
Name2 +15 1147 Cat2 AGK2/3 HD 89906 M HD
ADS BDS A 7744 M ADS BDS N IDS IDS 10174N1551A
HIC 50829
 
 
10227+1521 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 102243.69+152038.0 Mag 10.28 PmRA -262.00
PmDE -86.0 Calc delta mag 2.9 Calc coord yes
CCDM
Ccdm 10227+1521 RComp Comp B Note1 *
Note2 Discov num STT 216 DRAs DDEs
R dRAs Year 1845 Theta Rho
Obs 99 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7744 M ADS BDS N IDS IDS 10174N1551B
HIC 50829