11111+3027 STT 231 AD

11h 11m 05.23s +30° 26' 45.4" P.A. 30.00 sep 233.9 mag 8.86,13.06 Sp M1 dist. 11.87 pc (38.72 l.y.)

Coord 2000 11111+3027 Discov num STT 231 Comp AD Coord arcsec 2000 11 11 05.23 +30 26 45.4
Date first 1913 Date last 2015 Obs 6
Pa first 44 Pa last 30.3 P.A. Now (θ) 30.3°
Sep first 255.4 Sep last 233.88 Sep. Now (ρ) 233.88"
Mag pri 8.86 Mag sec 13.06 delta mag (ΔM) 4.2 Spectral class M1 (red)
Pri motion ra +592 Sec motion ra +001
Pri motion dec -197 Sec motion dec +000
Notes N L (See Notes, Linear solution)




rPM=0.998

This double is not physical.



11111+3027 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 97101 62440 11 11 05 +30 26 45 STT 231 AB 2019 91 262 34.1 8.86 9.98 1.12
Show 62440 11 11 05 +30 26 45 STT 231 AC 2017 28 321 216.2 8.86 9.29 0.43
Show 62440 11 11 05 +30 26 45 STT 231 AD 2015 6 30 233.9 8.86 13.06 4.20 <===
Show 62439 11 11 03 +30 26 41 STT 231 BC 2017 24 330 200.9 9.98 9.29 0.69
Show 62439 11 10 56 +30 29 32 STT 231 CE 2015 8 36 139.4 9.29 14.20 4.91


Quintuple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Ursa Major SAO 62440 HIP 54646 Tycho2 2520-02524-1
HD 97101 GL Gl 414A BD BD+31 2240 Distance 11.87
Distance ly 38.72




WDS 11111+3027 STT 231 AD : NOTES

discov_num notes refcode
STT 231 Mt. Wilson spectral types M1, M2, G5.
AB: NLTT 26534/26531 Chm2004
Pair was listed, but in a "rejected" list, not part of discoverer's
regular numbering sequence.
AB Hyperbolic orbit by Hopmann (1960). e = 575. Hop1960b
sigma = areal constant in the true orbit = 3.75 arcsec^2/yr
q = periastron distance in the true orbit = 33".73
All hyperbolic orbits rejected from Fourth Orbit Catalog Wor1983
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008






REFERENCES

refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
Hop1960b orb - Hopmann, J. 1960MiWie..10..227H
Hop1960b Mitt. Sternw. Wien 10, 227-256, 1960
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)






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
11111+3027 STT 231 AD 1913 2 44 255.4 8.51 13.91 M1 N 111105.17+302645.7
11111+3027 STT 231 AD 2001 4 32 235.8 8.86 13.06 M1 N 111105.23+302645.4
11111+3027 STT 231 AD 2014 5 33 234.6 8.86 13.06 M1 N 111105.23+302645.4
11111+3027 STT 231 AD 2015 6 30 233.9 8.86 13.06 M1 NL 111105.23+302645.4



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





WDS 11111+3027 STT 231 AD : VISUAL OBSERVATIONS REPORTS

No records found.




WDS 11111+3027 STT 231 AD : MEASURES

No records found.



WDS 11111+3027 : VIRTUAL EYEPIECE


11111+3027 STT 231A mag 8.86 Sp M1 11111+3027 STT 231B sep 34.2 P.A. 262.10 mag 9.98 Sp M2.5 11111+3027 STT 231C sep 208.4 P.A. 322.90 mag 9.29 Sp G0 11111+3027 STT 231D sep 226.1 P.A. 26.70 mag 13.06 11111+3027 STT 231E sep 284.3 P.A. 348.90 mag 14.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only




WDS 11111+3027 : ALADIN DSS IMAGE @ 11h 11m 05.23s +30° 26' 45.4"





WDS 11111+3027 STT 231 AD : NEIGHBORHOODS

FoV:
Limit:
Primaries only


11111+3027  STT 231AB distance=1' 11111+3027  STT 231AD distance=1' 11111+3027  STT 231AC distance=1' 11111+3027  STT 231BC distance=1' 11111+3027  STT 231CE distance=4' 11099+3001  CVR1346 distance=31' 11107+3110  HJ 2562 distance=44' 11100+3114  RAO 652 distance=49' 11087+3124  FAR  60 distance=65' 11129+3130  HEI  12 distance=68' 11063+3113  TDS7665AB distance=77' 11063+3113  OSO  36AC distance=77' 11073+3146  CVR 113 distance=94' 11162+3136  A  2157 distance=97' 11125+3205  COU 963 distance=100' 11171+2919  HDS1608 distance=103' 11028+3019  CBL 328AB distance=108' 11108+3215  FAR  61 distance=109' 11108+2837  CVR 597 distance=110' 11126+2839  COU 389 distance=110' 11118+3218  CVR 115 distance=112' 11024+3025  LSC 128BC distance=112' 11182+3132  STF1523AB (Alula Australis) distance=113' 11182+3132  POP1219AC (Alula Australis) distance=113' 11182+3132  WTE   1AD (Alula Australis) distance=113' 11182+3132  CHR 178Ba,Bb distance=113' 11158+3202  CBL 334 distance=114' 11091+2835  CVR 595 distance=115' 11072+3204  SEI 523 distance=115' 11054+3157  DAM  70AB distance=116' 11054+3157  DAM  70AC distance=116' 11023+3049  STF1501 distance=116' 11184+2913  CBL 336 distance=120' 11018+2952  CHR  34Aa,Ab distance=126' 11018+2952  COU 961AB distance=126' 11045+3159  COU 962 distance=126' 11150+2829  CVR1353 distance=128' 11167+2841  CVR1355 distance=129' 11073+2832  HJ 1185 distance=130' 11015+3119  SKF 357 distance=135' 11115+2812  SLW 574 distance=135' 11133+3238  SLN  67 distance=135' 11046+2838  AZC  68 distance=138' 11218+3018  KPP3843 distance=140' 11005+2958  CVR1333 distance=141' 11211+3134  MLB 849 distance=146' 10596+3013  LDS4042 distance=151' 11227+3018  NI   25 distance=152' 11031+3215  SEI 522 distance=153' 11008+2913  COU 960 distance=153' 11230+3027  GRV 834 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 11111+3027 STT 231 AB 262 34.1 1
Show 11111+3027 STT 231 AD 30 233.9 1
Show 11111+3027 STT 231 AC 321 216.2 1
Show 11111+3027 STT 231 BC 330 200.9 1
Show 11111+3027 STT 231 CE 36 139.4 4
Show 11099+3001 CVR1346 229 3.1 31
Show 11107+3110 HJ 2562 221 1.0 44
Show 11100+3114 RAO 652 229 0.9 49
Show 11087+3124 FAR 60 105 0.5 65
Show 11129+3130 HEI 12 120 2.4 68
Show 11063+3113 TDS7665 AB 71 7.6 77
Show 11063+3113 OSO 36 AC 186 21.7 77
Show 11073+3146 CVR 113 161 15.0 94
Show 11162+3136 A 2157 3 1.4 97
Show 11125+3205 COU 963 187 1.1 100
Show 11171+2919 HDS1608 324 3.3 103
Show 11028+3019 CBL 328 AB 310 17.5 108
Show 11108+3215 FAR 61 298 0.2 109
Show 11108+2837 CVR 597 258 26.3 110
Show 11126+2839 COU 389 168 0.9 110
Show 11118+3218 CVR 115 139 93.9 112
Show 11024+3025 LSC 128 BC 217 0.3 112
Show Alula Australis 11182+3132 STF1523 AB 152 2.3 113
Show Alula Australis 11182+3132 POP1219 AC 331 59.7 113
Show Alula Australis 11182+3132 WTE 1 AD 136 511.4 113
Show 11182+3132 CHR 178 Ba,Bb 75 0.0 113
Show 11158+3202 CBL 334 157 38.8 114
Show 11091+2835 CVR 595 194 23.3 115
Show 11072+3204 SEI 523 78 23.3 115
Show 11054+3157 DAM 70 AB 185 7.1 116
Show 11054+3157 DAM 70 AC 147 18.8 116
Show 11023+3049 STF1501 185 1.3 116
Show 11184+2913 CBL 336 238 16.5 120
Show 11018+2952 CHR 34 Aa,Ab 102 0.3 126
Show 11018+2952 COU 961 AB 326 1.3 126
Show 11045+3159 COU 962 240 2.5 126
Show 11150+2829 CVR1353 147 4.0 128
Show 11167+2841 CVR1355 338 3.8 129
Show 11073+2832 HJ 1185 13 16.2 130
Show 11015+3119 SKF 357 70 5.5 135
Show 11115+2812 SLW 574 359 169.1 135
Show 11133+3238 SLN 67 44 56.7 135
Show 11046+2838 AZC 68 197 19.4 138
Show 11218+3018 KPP3843 292 5.2 140
Show 11005+2958 CVR1333 69 4.5 141
Show 11211+3134 MLB 849 174 5.1 146
Show 10596+3013 LDS4042 205 2.0 151
Show 11227+3018 NI 25 86 4.5 152
Show 11031+3215 SEI 522 287 13.3 153
Show 11008+2913 COU 960 116 0.2 153
Show 11230+3027 GRV 834 121 82.8 156





WDS 11111+3027 : COMPONENTS

  A B C D
B pa=262.1°
sep=34.21"
 
C pa=322.9°
sep=208.36"
pa=331.8°
sep=194.02"
 
D pa=26.7°
sep=226.09"
pa=33.3°
sep=247.13"
pa=81.1°
sep=229.95"
 
E pa=348.9°
sep=284.28"
pa=355.8°
sep=284.43"
pa=32.1°
sep=133.06"
pa=296.2°
sep=174.30"








11111+3027 A

Name HD 97101 Coord arcsec 2000 111105.23+302645.4 Mag 8.86 Spectral class M1 (red)
PmRA 592.00 PmDE -197.0 SAO 62440 HIP 54646
Tycho2 2520-02524-1 HD 97101 GC 15366 BD BD+31 2240


Tycho2
Tycho2 2520-02524-1 Pflag RAmdeg 167.77154936 DEmdeg 30.44601545
PmRA 590.8 PmDE -197.7 E RAmdeg 10 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.22 EpDEm 1989.97
Num 11 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.5 BTmag 10.095 E BTmag 0.031 VTmag 8.506
E VTmag 0.015 Prox 376 TYC T HIP 54646
CCDM RAdeg 167.76996639 DEdeg 30.44646889 EpRA 1990 1.68
EpDE 1990 1.74 E RAdeg 10.4 E DEdeg 10.5 Posflg
Corr 0.0


SAO
SAO 62440 DelFlag RA1950 PmRA1950 0.0447
DE1950 PmDE1950 -0.208 Vmag 8.8 SpType K5
Double code Source 70 CatNum 15366 DM BD+31 2240
DMcomp BDsup HD 97101 M HD 0
GC 15366 RA1950rad 2.91618784 DE1950rad 0.536171 PmRA2000 0.0446
PmDE2000 -0.204


Hipparcos
Catalog H HIP 54646 Proxy RAhms 11 11 04.77
DEdms +30 26 47.4 Vmag 8.31 VarFlag R Vmag H
RAdeg 167.77 DEdeg 30.4465 AstroRef Plx 83.85
CCDM 11110+3028 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 97101 BD BD+31 2240
CD CP Dm number +31 2240 VIred 1.42
SpType K8V R SpType Coord arcsec 2000 111104.77+302647.4


Hipparcos 2
HIP 54646 Sn 5 So 0 Nc 1
RArad 2.9281368268 DErad 0.5313916089 Plx 84.23 PmRA 591.8
PmDE -197.6 E RArad 0.8 E DErad 0.57 E Plx 0.86
E pmRA 0.99 E pmDE 0.8 Hpmag 8.4199 E Hpmag 0.0019
SHp 0.013 VA 0 BV 1.255 E BV 0.015
VI 1.42






11111+3027 B

Coord arcsec 2000 111102.61+302640.7 Coord calc 111102.61+302640.7 Mag 9.98 Spectral class M2.5 (red)
PmRA 609.00 PmDE -208.0 Calc delta mag 1.12






11111+3027 C

Coord arcsec 2000 111055.52+302931.7 Coord calc 111055.52+302931.7 Mag 9.29 Spectral class G0 (yellow)
PmRA -63.00 PmDE -17.0 SAO 62439 Tycho2 2520-00645-1
HD 97100 DM BD+31 2239 Calc delta mag 0.43


Tycho2
Tycho2 2520-00645-1 Pflag RAmdeg 167.73132024 DEmdeg 30.49212930
PmRA -63.2 PmDE -16.2 E RAmdeg 12 E DEmdeg 14
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.62 EpDEm 1988.72
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.1 BTmag 10.077 E BTmag 0.031 VTmag 9.119
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 167.73148778 DEdeg 30.49216667 EpRA 1990 1.77
EpDE 1990 1.79 E RAdeg 13.4 E DEdeg 14.5 Posflg
Corr 0.0


SAO
SAO 62439 DelFlag RA1950 PmRA1950 -0.0058
DE1950 PmDE1950 -0.031 Vmag 8.7 SpType G0
Double code Source 6 CatNum 1118 DM BD+31 2239
DMcomp BDsup HD 97100 M HD 0
GC RA1950rad 2.91566819 DE1950rad 0.53693226 PmRA2000 -0.0057
PmDE2000 -0.026






11111+3027 D

Coord arcsec 2000 111113.10+303007.3 Mag 13.06 PmRA 1.00 PmDE 0.0
Calc delta mag 4.2 Calc coord yes






11111+3027 E

Coord arcsec 2000 111101.00+303124.4 Mag 14.2 PmRA -7.00 PmDE -2.0
Calc delta mag 5.34 Calc coord yes