20001+1737 S 730 BC

 
 
20h 00m 10.25s +17° 38' 28.3" P.A. 237.00 sep 68.6 mag 8.45,10.21 Sp F5
 
 
Coord 2000 20001+1737 Discov num S   730 Comp BC Coord arcsec 2000 20 00 10.25 +17 38 28.3
Date first 1879 Date last 2019 Obs 17
Pa first 239 Pa last 236.6 P.A. Now (θ) 236.6°
Sep first 70.4 Sep last 68.632 Sep. Now (ρ) 68.632"
Mag pri 8.45 Mag sec 10.21 delta mag (ΔM) 1.76 Spectral class F5 (yellow-white)
Pri motion ra -012 Sec motion ra +000
Pri motion dec -006 Sec motion dec -004
Notes N (See Notes)
rPM=0.907
This double is not physical.
 
 
20001+1737 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189576 105525 20 00 08 +17 36 39 S 730 AB 2014 27 14 112.8 7.16 8.45 1.29
Show 20 00 08 +17 36 39 S 730 AC 2015 23 338 78.6 7.16 10.21 3.05
Show 20 00 08 +17 36 39 S 730 AD 2015 17 198 41.1 7.16 9.90 2.74
Show 20 00 08 +17 36 39 HO 638 AE 1928 4 283 2.7 7.16 10.20 3.04
Show 105525 20 00 10 +17 38 28 S 730 BC 2019 17 237 68.6 8.45 10.21 1.76 <===
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta SAO 105525 Tycho2 1621-01662-1 Gaia DR2 1820490474772431872
HD 189575 DM BD+17 4187
 
 
WDS 20001+1737 S 730 BC : NOTES
 
 
discov_num notes refcode
S 730 B is BD+17@4187.
A is variable.
 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
S__1826 Ma - South, J. 1826RSPT..116....1S
S__1826 Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A Ma - South, J. 1844QB43.S66.......
S__1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A Ma - South, J. .
S__1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A Ma - South, J. 1880MNRAS..40..497B
S__1880A cited by Burnham (MNRAS 40, 497, 1880)
S__1906A Ma - South, J. 1906MmRAS..56....1L
S__1906A cited by Lewis (MemRAS 56, 1, 1906)
S__1906B Ma - South, J. 1906QB821.B972.....
S__1906B cited in BDS (Burnham Double Star Cat., 1906)
S__1913A Ma - South, J. 1913QB811.B8.......
S__1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A Ma - South, J. 1922AN....216...49R
S__1922A cited by Rabe (AN 216, 49, 1922)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20001+1737 S 730 BC 2002 12 238 68.4 8.45 10.21 N D 200010.25+173828.3
20001+1737 S 730 BC 2015 16 238 68.6 8.45 10.21 F5 N 200010.25+173828.3
20001+1737 S 730 BC 2019 17 237 68.6 8.45 10.21 F5 N 200010.25+173828.3

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

 
 
WDS 20001+1737 S 730 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20001+1737 S 730 BC : MEASURES
 
 
No records found.

 
 
WDS 20001+1737 : VIRTUAL EYEPIECE
 
 

20001+1737 S   730A mag 7.16 Sp K0 20001+1737 S   730B sep 113.3 P.A. 14.40 mag 8.45 Sp F5 20001+1737 S   730C sep 78.1 P.A. 338.50 mag 10.21 20001+1737 S   730D sep 40.9 P.A. 197.40 mag 9.9 20001+1737 HO  638E sep 2.6 P.A. 283.20 mag 10.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 20001+1737 : ALADIN DSS IMAGE @ 20h 00m 10.25s +17° 38' 28.3"
 
 
 
 
WDS 20001+1737 S 730 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20001+1737  S   730BC distance=0' 20001+1737  S   730AB distance=2' 20001+1737  S   730AD distance=2' 20001+1737  HO  638AE distance=2' 20001+1737  S   730AC distance=2' 20000+1736  SMR   7 distance=4' 20002+1733  SLE 675 distance=6' 20001+1731  BU 1477CD distance=8' 20001+1731  BU 1477CE distance=8' 20001+1731  H 4 100AB distance=9' 20001+1731  H 4 100AC distance=9' 20001+1731  H 4 100BC distance=9' 20006+1727  BPM1923 distance=14' 20010+1751  BPM1925 distance=17' 20003+1757  HU  352AB distance=19' 20003+1757  LBU   8AB,C distance=19' 20003+1757  LBU   8AB,D distance=19' 20004+1720  SLE 676 distance=19' 19596+1720  BPM1912 distance=20' 19586+1734  TDT1892 distance=23' 20017+1746  BPM1935 distance=24' 20017+1748  SLE 677 distance=25' 19591+1758  BRT1331 distance=25' 20017+1759  BPM1934 distance=30' 20024+1744  BPM1947AB distance=33' 20024+1744  BPM1948BC distance=33' 19594+1809  BPM1909 distance=33' 19582+1719  BPM1889 distance=34' 19584+1713  BPM1890 distance=36' 19575+1739  BPM1867 distance=38' 20009+1815  J   502AB distance=38' 20009+1815  J   502AC distance=38' 20028+1747  BPM1953 distance=39' 20020+1707  BPM1941 distance=41' 19579+1804  BPM1877 distance=42' 20006+1657  BPM1921 distance=42' 19573+1729  BPMA219 distance=43' 20033+1736  BPM1962 distance=45' 20020+1702  BPM1942 distance=45' 19570+1747  BPMA217 distance=46' 19568+1737  BPM1850 distance=48' 19573+1713  BPM1858 distance=49' 19569+1722  BPM1854 distance=49' 20032+1712  BPM1960 distance=51' 19567+1751  BPM1847 distance=52' 19567+1721  BPM1848 distance=53' 20035+1715  TDT1941 distance=53' 20039+1746  BPM1969 distance=54' 20019+1651  BPM1938 distance=54' 19571+1809  BPM1855 distance=55' 19564+1751  BRT2292 distance=56' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20001+1737 S 730 BC 237 68.6
Show 20001+1737 S 730 AB 14 112.8 2
Show 20001+1737 S 730 AD 198 41.1 2
Show 20001+1737 HO 638 AE 283 2.7 2
Show 20001+1737 S 730 AC 338 78.6 2
Show 20000+1736 SMR 7 264 4.0 4
Show 20002+1733 SLE 675 310 7.1 6
Show 20001+1731 BU 1477 CD 208 27.0 8
Show 20001+1731 BU 1477 CE 114 45.9 8
Show 20001+1731 H 4 100 AB 265 23.9 9
Show 20001+1731 H 4 100 AC 297 112.6 9
Show 20001+1731 H 4 100 BC 306 97.1 9
Show 20006+1727 BPM1923 2 117.5 14
Show 20010+1751 BPM1925 344 92.7 17
Show 20003+1757 HU 352 AB 198 0.2 19
Show 20003+1757 LBU 8 AB,C 27 63.8 19
Show 20003+1757 LBU 8 AB,D 352 65.3 19
Show 20004+1720 SLE 676 228 12.6 19
Show 19596+1720 BPM1912 304 92.0 20
Show 19586+1734 TDT1892 38 1.2 23
Show 20017+1746 BPM1935 28 66.0 24
Show 20017+1748 SLE 677 12 10.6 25
Show 19591+1758 BRT1331 213 4.4 25
Show 20017+1759 BPM1934 272 84.8 30
Show 20024+1744 BPM1947 AB 2 31.3 33
Show 20024+1744 BPM1948 BC 279 114.7 33
Show 19594+1809 BPM1909 173 104.9 33
Show 19582+1719 BPM1889 8 28.2 34
Show 19584+1713 BPM1890 114 102.3 36
Show 19575+1739 BPM1867 349 88.4 38
Show 20009+1815 J 502 AB 63 3.9 38
Show 20009+1815 J 502 AC 311 19.1 38
Show 20028+1747 BPM1953 322 42.0 39
Show 20020+1707 BPM1941 347 105.5 41
Show 19579+1804 BPM1877 161 118.4 42
Show 20006+1657 BPM1921 221 78.6 42
Show 19573+1729 BPMA219 103 276.3 43
Show 20033+1736 BPM1962 177 88.6 45
Show 20020+1702 BPM1942 288 114.8 45
Show 19570+1747 BPMA217 196 120.2 46
Show 19568+1737 BPM1850 49 59.3 48
Show 19573+1713 BPM1858 212 120.0 49
Show 19569+1722 BPM1854 49 76.8 49
Show 20032+1712 BPM1960 348 93.0 51
Show 19567+1751 BPM1847 177 104.1 52
Show 19567+1721 BPM1848 285 23.1 53
Show 20035+1715 TDT1941 165 1.1 53
Show 20039+1746 BPM1969 303 74.6 54
Show 20019+1651 BPM1938 82 118.4 54
Show 19571+1809 BPM1855 236 108.5 55
Show 19564+1751 BRT2292 341 2.1 56

 
 
WDS 20001+1737 : COMPONENTS
 
 
  A B C D
B pa=14.4°
sep=113.26"
 
C pa=338.5°
sep=78.08"
pa=236.9°
sep=67.85"
 
D pa=197.4°
sep=40.90"
pa=195.2°
sep=154.12"
pa=171.6°
sep=112.85"
 
E pa=283.2°
sep=2.57"
pa=195.7°
sep=113.34"
pa=160.0°
sep=76.64"
pa=13.8°
sep=40.79"
 
 
20001+1737 A
 
 
Name HD 189576 Coord arcsec 2000 200008.28+173638.6 Mag 7.16 Spectral class K0 (yellow-orange)
PmRA 5.00 PmDE 11.0 HIP 98443 Tycho2 1621-01879-1
BD BD+17 4185
Tycho2
Tycho2 1621-01879-1 Pflag RAmdeg 300.03454429 DEmdeg 17.61074322
PmRA 3.6 PmDE 7.7 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.08 EpDEm 1991.05
Num 15 Q RAmdeg 1.2 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.7 BTmag 8.958 E BTmag 0.018 VTmag 7.162
E VTmag 0.010 Prox 788 TYC T HIP 98443
CCDM RAdeg 300.03453556 DEdeg 17.61072528 EpRA 1990 1.61
EpDE 1990 1.56 E RAdeg 4.9 E DEdeg 5.1 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 98443 Proxy RAhms 20 00 08.29
DEdms +17 36 38.6 Vmag 6.98 VarFlag 1 R Vmag H
RAdeg 300.035 DEdeg 17.6107 AstroRef Plx 2.56
CCDM 20001+1737 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 189576 BD BD+17 4185
CD CP Dm number +17 4185 VIred 1.56
SpType K0 R SpType Coord arcsec 2000 200008.29+173638.6
Hipparcos 2
HIP 98443 Sn 5 So 0 Nc 1
RArad 5.2365905318 DErad 0.3073651342 Plx 1.5 PmRA 5.14
PmDE 10.95 E RArad 0.33 E DErad 0.37 E Plx 0.52
E pmRA 0.48 E pmDE 0.54 Hpmag 7.1019 E Hpmag 0.0011
SHp 0.014 VA 0 BV 1.523 E BV 0.011
VI 1.56
CCDM
Ccdm 20001+1737 RComp Comp A Note1
Note2 Discov num DRAs 2.35 DDEs -21.1
R dRAs 10 Year Theta Rho
Obs 6 Vmag 7.1 Sp K0 PmNote *
PmRA 17 PmDE 11 Dm number +17 4185 Cat1 BD
Name2 +17 2115 Cat2 AGK2/3 HD 189576 M HD
ADS BDS B 9799 M ADS BDS N IDS IDS 19556N1720A
HIC 98443
 
 
20001+1737 B
 
 
Coord arcsec 2000 200010.25+173828.3 Coord calc 200010.25+173828.3 Mag 8.45 Spectral class F5 (yellow-white)
PmRA -12.00 PmDE -6.0 SAO 105525 Tycho2 1621-01662-1
HD 189575 DM BD+17 4187 Calc delta mag 1.29
Tycho2
Tycho2 1621-01662-1 Pflag RAmdeg 300.04271924 DEmdeg 17.64120517
PmRA -15.2 PmDE -6.7 E RAmdeg 7 E DEmdeg 8
E pmRA 1.1 E pmDE 1.0 EpRAm 1990.96 EpDEm 1990.57
Num 9 Q RAmdeg 1.3 Q DEmdeg 0.9 Q pmRA 1.4
Q pmDE 1.0 BTmag 8.938 E BTmag 0.017 VTmag 8.449
E VTmag 0.014 Prox 688 TYC T HIP
CCDM RAdeg 300.04275639 DEdeg 17.64122083 EpRA 1990 1.67
EpDE 1990 1.55 E RAdeg 6.8 E DEdeg 7.5 Posflg
Corr 0.1
SAO
SAO 105525 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.02 Vmag 8.4 SpType F5
Double code Source 28 CatNum 7844 DM BD+17 4187
DMcomp BDsup HD 189575 M HD 0
GC RA1950rad 5.22688991 DE1950rad 0.30548669 PmRA2000 -0.001
PmDE2000 -0.022
CCDM
Ccdm 20001+1737 RComp Comp B Note1
Note2 Discov num S 730 DRAs 4.24 DDEs 88.7
R dRAs 10 Year 1825 Theta 015 Rho 114.6
Obs 5 Vmag 8.7 Sp F5 PmNote *
PmRA -19 PmDE 1 Dm number +17 4187 Cat1 BD
Name2 +17 2118 Cat2 AGK2/3 HD 189575 M HD
ADS BDS B 9799 M ADS BDS N IDS IDS 19556N1720B
HIC
 
 
20001+1737 C
 
 
Coord arcsec 2000 200006.27+173751.2 Mag 10.21 PmRA 0.00 PmDE -4.0
Tycho2 1621-02118-1 HD 351105 Calc delta mag 3.05 Calc coord yes
Tycho2
Tycho2 1621-02118-1 Pflag RAmdeg 300.02581163 DEmdeg 17.63097707
PmRA -0.4 PmDE -3.5 E RAmdeg 19 E DEmdeg 19
E pmRA 1.1 E pmDE 1.1 EpRAm 1986.37 EpDEm 1986.54
Num 7 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.8
Q pmDE 1.1 BTmag 10.268 E BTmag 0.030 VTmag 10.213
E VTmag 0.041 Prox 688 TYC T HIP
CCDM RAdeg 300.02581306 DEdeg 17.63098472 EpRA 1990 1.63
EpDE 1990 1.59 E RAdeg 21.2 E DEdeg 20.7 Posflg
Corr -0.1
CCDM
Ccdm 20001+1737 RComp Comp C Note1
Note2 Discov num S 730 DRAs 0.15 DDEs 50.6
R dRAs 10 Year 1879 Theta 338 Rho 79.9
Obs 2 Vmag 9.5 Sp PmNote *
PmRA -11 PmDE -17 Dm number Cat1
Name2 +17 2114 Cat2 AGK2/3 HD M HD
ADS BDS B 9799 M ADS BDS N IDS IDS 19556N1720C
HIC
 
 
20001+1737 D
 
 
Coord arcsec 2000 200007.42+173559.6 Mag 9.9 PmRA 0.00 PmDE -7.0
Calc delta mag 2.74 Calc coord yes
CCDM
Ccdm 20001+1737 RComp Comp D Note1
Note2 Discov num S 730 DRAs 1.40 DDEs -59.8
R dRAs 65 Year 1879 Theta 198 Rho 39.8
Obs 2 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9799 M ADS BDS N IDS IDS 19556N1720D
HIC
 
 
20001+1737 E
 
 
Coord arcsec 2000 200008.10+173639.2 Mag 10.2 Calc delta mag 3.04 Calc coord yes
CCDM
Ccdm 20001+1737 RComp Comp E Note1
Note2 Discov num DRAs -7.23 DDEs -65.0
R dRAs 10 Year Theta Rho
Obs Vmag 8.8 Sp PmNote *
PmRA -3 PmDE 11 Dm number Cat1
Name2 +17 2112 Cat2 AGK2/3 HD M HD
ADS BDS A13225 M ADS BDS N IDS IDS 19555N1720A
HIC