11387+4507 STF 1561 AD

 
 
11h 38m 44.90s +45° 06' 30.3" P.A. 76.00 sep 718.2 mag 6.53,7.56 Sp G0V dist. 23.25 pc (75.84 l.y.)
 
 
Coord 2000 11387+4507 Discov num STF1561 Comp AD Coord arcsec 2000 11 38 44.90 +45 06 30.3
Date first 1991 Date last 2015 Obs 5
Pa first 76 Pa last 76 P.A. Now (θ) 76°
Sep first 704.0 Sep last 718.2 Sep. Now (ρ) 718.2"
Mag pri 6.53 Mag sec 7.56 delta mag (ΔM) 1.03 Spectral class G0V (yellow)
Pri motion ra -594 Sec motion ra +015
Pri motion dec +015 Sec motion dec -006
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.026
This double is not physical.
 
 
11387+4507 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 101177 43841 11 38 45 +45 06 30 STF 1561 AB 2019 161 246 8.9 6.53 8.23 1.70 Y
Show 43841 11 38 45 +45 06 30 STF 1561 AC 2015 28 90 176.8 6.53 9.46 2.93
Show 43841 11 38 45 +45 06 30 STF 1561 AD 2015 5 76 718.2 6.53 7.56 1.03 <===
Show 43841 11 38 45 +45 06 30 STF 1561 AE 2015 13 338 60.7 6.53 12.08 5.55
Show 11 38 44 +45 06 27 STF 1561 BC 2015 20 89 179.6 8.23 9.46 1.23
Show 11 38 44 +45 06 27 STF 1561 BE 2015 10 347 61.7 8.23 12.08 3.85
Show 11 39 00 +45 06 31 STF 1561 CD 2015 6 72 553.1 9.46 7.56 1.90
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major SAO 43841 HIP 56809 Tycho2 3452-01883-1
HD 101177 HR 4486 ADS 8250 GL Gl 433.2A
BD BD+45 1947 Distance 23.25 Distance ly 75.84
 
 
WDS 11387+4507 STF 1561 AD : NOTES
 
 
discov_num notes refcode
STF1561 AB: Secondary is 23.5d SB1; AB has estimated period of 2100y. Tok2006
AB: NLTT 28087/28086 Chm2004
AB: H 3 87. MEv2010
AB: B is SB2, P=23.541d Tok2014d
AC and AE: Optical pairs, based on study of relative motion of the
components using the method of apparent motion parameters. Kiy2008
AE, BC: Rectilinear solutions by Friedman et al. (2011). USN2011a
BE: Rectilinear solution by Hurowitz et al. (2014). USN2014a
 
 
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.)
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)
Tok2006 A j Tokovinin, A., Thomas, S., Sterzik, M., & Udry, S. 2006A&A...450..681T
Tok2006 +E2 A&A 450, 681, 2006
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
USN2011a lin - Friedman, E.A., Mason, B.D., & Hartkopf, W.I. 2011IAUDS.175....1F
USN2011a Inf. Circ. 175, 1, 2011
USN2014a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.182....1H
USN2014a Inf. Circ. 182, 1, 2014
 
 
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
11387+4507 STF1561 AD 1991 2 76 704.2 6.53 7.56 G0V N D 113844.90+450630.3
11387+4507 STF1561 AD 2009 3 77 710.6 6.53 7.56 G0V NUD 113844.90+450630.3
11387+4507 STF1561 AD 2015 5 76 718.2 6.53 7.56 G0V NU 113844.90+450630.3

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

 
 
WDS 11387+4507 STF 1561 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11387+4507 STF 1561 AD : MEASURES
 
 
No records found.

 
 
WDS 11387+4507 : VIRTUAL EYEPIECE
 
 

11387+4507 STF1561A mag 6.53 Sp G0V 11387+4507 STF1561B sep 9.2 P.A. 249.00 mag 8.23 Sp K2V 11387+4507 STF1561C sep 162.2 P.A. 89.70 mag 9.46 Sp F2 11387+4507 STF1561D sep 521.4 P.A. 70.50 mag 7.56 11387+4507 STF1561E sep 58.6 P.A. 344.40 mag 12.08 virtual eyepiece
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Radius:
Components only
 
 
WDS 11387+4507 : ALADIN DSS IMAGE @ 11h 38m 44.90s +45° 06' 30.3"
 
 
 
 
WDS 11387+4507 STF 1561 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


11387+4507  STF1561AD distance=0' 11387+4507  STF1561BC distance=1' 11387+4507  STF1561BE distance=1' 11387+4507  STF1561CD distance=3' 11387+4450  TDS7974 distance=17' 11406+4524  SKF2632 distance=27' 11336+4445  LEO  34 distance=59' 11444+4518  KPP3245 distance=61' 11385+4405  ES 1153 distance=62' 11401+4608  LDS4130 distance=63' 11390+4614  LDS5736 distance=68' 11455+4536  STF1570 distance=78' 11438+4411  ES  123AB distance=78' 11438+4411  ES  123AC distance=78' 11438+4411  ES  123BC distance=78' 11308+4508  LDS4107 distance=85' 11319+4555  COU1750 distance=87' 11470+4508  LDS5741 distance=87' 11383+4338  TOK 549 distance=90' 11297+4515  LDS4105 distance=97' 11479+4541  HJ 1198 distance=103' 11473+4601  SLW 649 distance=105' 11462+4357  HJ 2585 distance=106' 11435+4334  COU1423 distance=106' 11334+4637  COU1751 distance=106' 11286+4526  UC 2147 distance=109' 11309+4345  YSC  42AB distance=117' 11309+4345  TOK 547AC distance=117' 11342+4656  LDS4117 distance=120' 11279+4434  STF1542 distance=120' 11358+4308  SKF 832AB distance=124' 11288+4615  SLW 606 distance=125' 11473+4339  SKF2633 distance=127' 11277+4410  A  1848 distance=132' 11395+4719  SLW 627 distance=133' 11489+4350  SLW 654 distance=133' 11513+4516  WIS 193AB distance=134' 11513+4516  KPP3247Aa,Ab distance=134' 11277+4618  STF1541 distance=137' 11517+4449  HJ  842 distance=139' 11439+4717  ES 1084 distance=142' 11374+4728  KU   39 distance=142' 11389+4733  COU1574 distance=146' 11498+4637  SKF2636BC distance=147' 11498+4637  SKF2636AB distance=147' 11498+4637  SKF2636AC distance=147' 11512+4405  STF1574 distance=147' 11467+4305  SLW 646 distance=149' 11530+4513  CBL 362 distance=152' 11336+4729  COU1573 distance=153' 11525+4612  KZA  18AB distance=159' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 11387+4507 STF1561 AB 246 8.9
Show 11387+4507 STF1561 AC 90 176.8
Show 11387+4507 STF1561 AE 338 60.7
Show 11387+4507 STF1561 AD 76 718.2
Show 11387+4507 STF1561 BC 89 179.6 1
Show 11387+4507 STF1561 BE 347 61.7 1
Show 11387+4507 STF1561 CD 72 553.1 3
Show 11387+4450 TDS7974 40 0.5 17
Show 11406+4524 SKF2632 275 10.5 27
Show 11336+4445 LEO 34 159 1.7 59
Show 11444+4518 KPP3245 125 1.4 61
Show 11385+4405 ES 1153 259 5.8 62
Show 11401+4608 LDS4130 247 156.9 63
Show 11390+4614 LDS5736 248 319.6 68
Show 11455+4536 STF1570 49 10.9 78
Show 11438+4411 ES 123 AB 204 6.8 78
Show 11438+4411 ES 123 AC 273 44.6 78
Show 11438+4411 ES 123 BC 282 42.1 78
Show 11308+4508 LDS4107 193 51.5 85
Show 11319+4555 COU1750 235 2.0 87
Show 11470+4508 LDS5741 110 80.2 87
Show 11383+4338 TOK 549 10 528.0 90
Show 11297+4515 LDS4105 325 127.6 97
Show 11479+4541 HJ 1198 104 11.9 103
Show 11473+4601 SLW 649 214 36.8 105
Show 11462+4357 HJ 2585 68 36.2 106
Show 11435+4334 COU1423 204 1.0 106
Show 11334+4637 COU1751 147 0.2 106
Show 11286+4526 UC 2147 236 38.0 109
Show 11309+4345 YSC 42 AB 127 0.1 117
Show 11309+4345 TOK 547 AC 319 999.9 117
Show 11342+4656 LDS4117 55 55.2 120
Show 11279+4434 STF1542 267 3.9 120
Show 11358+4308 SKF 832 AB 252 29.5 124
Show 11288+4615 SLW 606 156 21.7 125
Show 11473+4339 SKF2633 258 6.1 127
Show 11277+4410 A 1848 190 0.6 132
Show 11395+4719 SLW 627 242 156.3 133
Show 11489+4350 SLW 654 21 166.2 133
Show 11513+4516 WIS 193 AB 344 999.9 134
Show 11513+4516 KPP3247 Aa,Ab 282 1.3 134
Show 11277+4618 STF1541 27 7.8 137
Show 11517+4449 HJ 842 88 3.1 139
Show 11439+4717 ES 1084 261 4.8 142
Show 11374+4728 KU 39 144 1.2 142
Show 11389+4733 COU1574 183 1.7 146
Show 11498+4637 SKF2636 BC 344 24.5 147
Show 11498+4637 SKF2636 AB 295 9.1 147
Show 11498+4637 SKF2636 AC 331 31.3 147
Show 11512+4405 STF1574 6 9.4 147
Show 11467+4305 SLW 646 285 11.0 149

 
 
WDS 11387+4507 : COMPONENTS
 
 
  A B C D
B pa=249.0°
sep=9.19"
 
C pa=89.7°
sep=162.19"
pa=88.6°
sep=170.81"
 
D pa=70.5°
sep=521.42"
pa=70.5°
sep=530.60"
pa=62.3°
sep=372.08"
 
E pa=344.4°
sep=58.61"
pa=353.1°
sep=60.18"
pa=287.3°
sep=186.40"
pa=257.0°
sep=520.70"
 
 
11387+4507 A
 
 
Name HD 101177 Coord arcsec 2000 113844.90+450630.3 Mag 6.53 Spectral class G0V (yellow)
PmRA -594.00 PmDE 15.0 SAO 43841 HIP 56809
Tycho2 3452-01883-1 HD 101177 HR 4486 GC 15976
BD BD+45 1947
Tycho2
Tycho2 3452-01883-1 Pflag RAmdeg 174.68708647 DEmdeg 45.10841579
PmRA -594.0 PmDE 15.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.36 EpDEm 1991.46
Num 9 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.2
Q pmDE 1.6 BTmag 7.167 E BTmag 0.015 VTmag 6.534
E VTmag 0.010 Prox 93 TYC T HIP 56809
CCDM A RAdeg 174.68906194 DEdeg 45.10838056 EpRA 1990 1.55
EpDE 1990 1.62 E RAdeg 4.4 E DEdeg 4.1 Posflg
Corr 0.2
SAO
SAO 43841 DelFlag RA1950 PmRA1950 -0.0566
DE1950 PmDE1950 0.021 Vmag 6.3 SpType G0
Double code Source 70 CatNum 15976 DM BD+45 1947
DMcomp A BDsup HD 101177 M HD 0
GC 15976 RA1950rad 3.03740635 DE1950rad 0.79212248 PmRA2000 -0.0561
PmDE2000 0.026
Hipparcos
Catalog H HIP 56809 Proxy H RAhms 11 38 45.39
DEdms +45 06 30.2 Vmag 6.29 VarFlag R Vmag H
RAdeg 174.689 DEdeg 45.1084 AstroRef A Plx 42.94
CCDM 11387+4506 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 250 Rho 9.224 HD 101177 BD BD+45 1947
CD CP Dm number +45 1947 VIred 0.64
SpType G0V R SpType Coord arcsec 2000 113845.39+450630.2
Hipparcos 2
HIP 56809 Sn 15 So 3 Nc 2
RArad 3.0489005204 DErad 0.7872897482 Plx 43.01 PmRA -594.65
PmDE 15.78 E RArad 0.55 E DErad 0.34 E Plx 0.73
E pmRA 0.62 E pmDE 0.38 Hpmag 6.4144 E Hpmag 0.0008
SHp 0.01 VA 0 BV 0.566 E BV 0.007
VI 0.64
 
 
11387+4507 B
 
 
Coord arcsec 2000 113844.09+450627.0 Coord calc 113844.09+450627.0 Mag 8.23 Spectral class K2V (yellow-orange)
PmRA -571.00 PmDE -1.0 Tycho2 3452-01883-2 Calc delta mag 1.7
Tycho2
Tycho2 3452-01883-2 Pflag RAmdeg 174.68371076 DEmdeg 45.10749285
PmRA -577.3 PmDE 1.5 E RAmdeg 8 E DEmdeg 8
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.00 EpDEm 1991.00
Num 8 Q RAmdeg 1.9 Q DEmdeg 0.4 Q pmRA 2.0
Q pmDE 0.4 BTmag 9.253 E BTmag 0.021 VTmag 8.232
E VTmag 0.014 Prox 93 TYC T HIP 56809
CCDM B RAdeg 174.68559194 DEdeg 45.10748944 EpRA 1990 1.72
EpDE 1990 1.72 E RAdeg 8.2 E DEdeg 8.1 Posflg
Corr 0.1
 
 
11387+4507 C
 
 
Coord arcsec 2000 113900.22+450631.2 Coord calc 113900.22+450631.2 Mag 9.46 Spectral class F2 (yellow-white)
PmRA 19.00 PmDE -9.0 Tycho2 3452-02057-1 Calc delta mag 2.93
Tycho2
Tycho2 3452-02057-1 Pflag RAmdeg 174.75094084 DEmdeg 45.10869172
PmRA 0.1 PmDE 4.4 E RAmdeg 12 E DEmdeg 15
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.93 EpDEm 1989.45
Num 6 Q RAmdeg 1.3 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.8 BTmag 10.633 E BTmag 0.036 VTmag 9.462
E VTmag 0.019 Prox 999 TYC T HIP
CCDM RAdeg 174.75094139 DEdeg 45.10868278 EpRA 1990 1.72
EpDE 1990 1.66 E RAdeg 13.0 E DEdeg 15.8 Posflg
Corr -0.1
 
 
11387+4507 D
 
 
Coord arcsec 2000 113931.36+450924.0 Mag 7.56 PmRA 15.00 PmDE -6.0
Calc delta mag 1.03 Calc coord yes
 
 
11387+4507 E
 
 
Coord arcsec 2000 113843.41+450726.7 Mag 12.08 PmRA -33.00 PmDE 12.0
Calc delta mag 5.55 Calc coord yes