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Current system
21039+1844
BRT 2489
HD 200617


Nearby doubles
8' : 21041+1837
KPP 546

32' : 21061+1836
TDS1116

33' : 21017+1851
UC 4363

40' : 21063+1824
BPM2326

48' : 21079+1851
HO 150

49' : 21010+1910
COU 523

55' : 21052+1936
HDS3005

60' : 21056+1749
J 797

61' : 21013+1757
BOY 11

61' : 21005+1920
BU 1497

62' : 21058+1939
J 2702

64' : 21081+1857
J 3125

66' : 21008+1756
TDT2692

76' : 20587+1833
RAO 444

77' : 21091+1906
COU 329

78' : 20587+1823
HU 363

78' : 21083+1757
BPM2332

81' : 21080+1748
LDS4865

86' : 21094+1809
SLN 89

86' : 20599+1741
KPP1329

90' : 20577+1846
GWP3022

91' : 20593+1744
J 1716

91' : 21089+1748
HU 365

92' : 21041+1712
GWP3033

92' : 20579+1812
UC 4345

96' : 20589+1741
BRT2487



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21039+1844 BRT 2489 (HD 200617)

 
 
21h 03m 56.15s +18° 44' 06.0" P.A. 246.00 sep 5.4 mag 8.03,12.16 Sp K0 dist. 250.63 pc (817.56 l.y.)
 
 
Coord 2000 21039+1844 Discov num BRT2489 Comp Coord arcsec 2000 21 03 56.15 +18 44 06.0
Date first 1904 Date last 2015 Obs 6
Pa first 251 Pa last 245.7 P.A. Now (θ) 245.7°
Sep first 4.2 Sep last 5.361 Sep. Now (ρ) 5.361"
Mag pri 8.03 Mag sec 12.16 delta mag (ΔM) 4.13 Spectral class K0 (yellow-orange)
Pri motion ra +002 Sec motion ra -003
Pri motion dec -015 Sec motion dec -020
Notes
rPM=0.35
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 200617 Constellation Delphinus SAO 106810 HIP 103970
Tycho2 1652-00756-1 Gaia DR2 1789131612846539648 HD 200617 BD BD+18 4687
Distance 250.63 Distance ly 817.56
 
 
WDS 21039+1844 BRT 2489 (HD 200617) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Brt1926a Pa - Barton, S.G. 1926AJ.....36..155B
Brt1926a AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b Pa j Barton, S.G. 1926AJ.....37...57B
Brt1926b AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928 Pa - Barton, S.G. 1928AJ.....38..168B
Brt1928 AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a Pa - Barton, S.G. 1929AN....235..425B
Brt1929a AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b Pa - Barton, S.G. 1929AJ.....39...93B
Brt1929b AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c Ma j Barton, S.G. 1929AJ.....39..120B
Brt1929c AJ 39, 120, 1929
Brt1930 Pa - Barton, S.G. 1930AJ.....40..181B
Brt1930 AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931 Pa - Barton, S.G. (BRT 349 - BRT 562) 1931AJ.....41...35B
Brt1931 AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a Pa - Barton, S.G. 1932AJ.....42...93B
Brt1932a AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b Ma - Barton, S.G. 1932PFAO....5a...1B
Brt1932b +Pa Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C Ma - Barton, S.G. 1932QB821.A43......
Brt1932C cited in ADS (Aitken Double Star Cat.), 1932
Brt1933 Pa - Barton, S.G. 1933AN....250...49B
Brt1933 AN 250, 49, 1933
Brt1933 (BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933 secondary magnitudes and no astrometry)
Brt1934 Pa - Barton, S.G. 1934AJ.....43..119B
Brt1934 +Ma AJ 43, 119, 1934
Brt1935a Pa - Barton, S.G. 1935AJ.....44..105B
Brt1935a +Ma AJ 44, 105, 1935
Brt1935b Pa - Barton, S.G. 1935AN....256..357B
Brt1935b AN 256, 357, 1935
Brt1936a Ma - Barton, S.G. 1936AJ.....45...33B
Brt1936a +Pa AJ 45, 33, 1936
Brt1936b Pa - Barton, S.G. 1936AJ.....45...99B
Brt1936b +Ma AJ 45, 99, 1936
Brt1937a Pa - Barton, S.G. 1937AN....263..347B
Brt1937a AN 263, 347, 1937
Brt1937b Pa - Barton, S.G. 1937AN....263..383B
Brt1937b AN 263, 383, 1937
Brt1938 Ma - Barton, S.G. 1938AJ.....47..133B
Brt1938 +Pa AJ 47, 133, 1938
Brt1939a Ma - Barton, S.G. 1939PFAO....5b...1B
Brt1939a +Pa Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b Pa - Barton, S.G. 1939AJ.....48..145B
Brt1939b +Ma AJ 48, 145, 1939
Brt1941 Pa - Barton, S.G. 1941PASP...55..339B
Brt1941 PASP 55, 339, 1941
Brt1942 Pa - Barton, S.G. 1942AJ.....50...11B
Brt1942 AJ 50, 11, 1942
Brt1947 Ma - Barton, S.G. 1947AJ.....52..178B
Brt1947 +Pa AJ 52, 178, 1947
Brt1949 Ma - Barton, S.G. 1949PFAO....7a...1B
Brt1949 Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951 Pa - Barton, S.G. 1951AJ.....55..218B
Brt1951 AJ 55, 218, 1951
Brt1957 Ma - Barton, S.G. 1957QB4.P5v7ps3....
Brt1957 Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999 Ma - Barton, S.G. ...................
Brt9999 +Pa Unpublished, manuscript or reference not found.
Brt2002A Ma - Barton, S.G. 2002yCat.1275....0D
Brt2002A +Pa cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21039+1844 BRT2489 2000 5 249 4.9 8.03 12.16 K0 D 210356.15+184406.0
21039+1844 BRT2489 2015 6 246 5.4 8.03 12.16 K0 210356.15+184406.0

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

 
 
WDS 21039+1844 BRT 2489 (HD 200617) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21039+1844 BRT 2489 (HD 200617) : MEASURES
 
 
No records found.

 
 
WDS 21039+1844 (HD 200617) : VIRTUAL EYEPIECE
 
 

21039+1844 BRT2489A mag 8.03 Sp K0 21039+1844 BRT2489B sep 5.1 P.A. 244.50 mag 12.16 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 21039+1844 (HD 200617) : ALADIN DSS IMAGE @ 21h 03m 56.15s +18° 44' 06.0"
 
 
 
 
WDS 21039+1844 BRT 2489 (HD 200617) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21039+1844 BRT2489 distance=0' 21041+1837 KPP 546 distance=8' 21061+1836 TDS1116 distance=32' 21017+1851 UC 4363 distance=33' 21063+1824 BPM2326 distance=40' 21079+1851 HO 150 distance=48' 21010+1910 COU 523 distance=49' 21052+1936 HDS3005 distance=55' 21056+1749 J 797 distance=60' 21013+1757 BOY 11 distance=61' 21005+1920 BU 1497 distance=61' 21058+1939 J 2702 distance=62' 21081+1857 J 3125 distance=64' 21008+1756 TDT2692 distance=66' 20587+1833 RAO 444 distance=76' 21091+1906 COU 329 distance=77' 20587+1823 HU 363 distance=78' 21083+1757 BPM2332 distance=78' 21080+1748 LDS4865 distance=81' 21094+1809 SLN 89 distance=86' 20599+1741 KPP1329 distance=86' 20577+1846 GWP3022 distance=90' 20593+1744 J 1716 distance=91' 21089+1748 HU 365 distance=91' 21041+1712 GWP3033 distance=92' 20579+1812 UC 4345 distance=92' 20589+1741 BRT2487 distance=96' 20582+1756 BPM2303 distance=96' 21029+1708 BPMA250 distance=97' 21107+1909 J 2339 distance=98' 20598+2004 STF2739 distance=100' 20582+1942 TDT2663 distance=101' 20567+1818 BPM2298 distance=107' 20571+1801 J 607 distance=107' 21109+1801 COU 69 distance=109' 20570+1758 COU 427 distance=110' 21087+1717 HEI 184 distance=110' 20595+1712 GRV 400 distance=111' 21033+1655 J 284 distance=112' 21117+1821 LDS1051 distance=113' 21089+1715 HEI 185 distance=114' 21094+1721 STF2763BC distance=115' 21094+1721 STF2763AB distance=115' 21023+2037 HDS2998 distance=116' 21017+1652 BPM2311AB distance=117' 21120+1822 ZIE 12AB distance=117' 21120+1822 ZIE 12AC distance=117' 21017+1652 BPM2312BC distance=117' 21088+1709 TDT2783 distance=118' 20579+2009 BRT2486 distance=119' 21105+1958 STF2767 distance=119' 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 21039+1844 BRT2489 246 5.4
Show 21041+1837 KPP 546 61 5.1 8
Show 21061+1836 TDS1116 265 1.2 32
Show 21017+1851 UC 4363 216 6.4 33
Show 21063+1824 BPM2326 314 67.8 40
Show 21079+1851 HO 150 136 3.0 48
Show 21010+1910 COU 523 139 0.9 49
Show 21052+1936 HDS3005 14 0.3 55
Show 21056+1749 J 797 214 4.1 60
Show 21013+1757 BOY 11 94 0.3 61
Show 21005+1920 BU 1497 337 49.3 61
Show 21058+1939 J 2702 178 5.4 62
Show 21081+1857 J 3125 259 4.7 64
Show 21008+1756 TDT2692 155 0.6 66
Show 20587+1833 RAO 444 194 1.4 76
Show 21091+1906 COU 329 99 0.6 77
Show 20587+1823 HU 363 101 0.8 78
Show 21083+1757 BPM2332 327 113.5 78
Show 21080+1748 LDS4865 106 147.9 81
Show 21094+1809 SLN 89 15 2.1 86
Show 20599+1741 KPP1329 129 10.1 86
Show 20577+1846 GWP3022 108 5.7 90
Show 20593+1744 J 1716 223 6.3 91
Show 21089+1748 HU 365 19 1.0 91
Show 21041+1712 GWP3033 36 12.1 92
Show 20579+1812 UC 4345 303 51.5 92
Show 20589+1741 BRT2487 120 4.4 96
Show 20582+1756 BPM2303 131 120.5 96
Show 21029+1708 BPMA250 39 202.4 97
Show 21107+1909 J 2339 249 7.2 98
Show 20598+2004 STF2739 252 3.3 100
Show 20582+1942 TDT2663 36 0.9 101
Show 20567+1818 BPM2298 348 78.4 107
Show 20571+1801 J 607 305 3.1 107
Show 21109+1801 COU 69 330 1.5 109
Show 20570+1758 COU 427 221 1.5 110
Show 21087+1717 HEI 184 62 2.9 110
Show 20595+1712 GRV 400 197 58.7 111
Show 21033+1655 J 284 236 2.7 112
Show 21117+1821 LDS1051 88 298.5 113
Show 21089+1715 HEI 185 35 0.1 114
Show 21094+1721 STF2763 BC 227 30.2 115
Show 21094+1721 STF2763 AB 293 17.1 115
Show 21023+2037 HDS2998 130 0.1 116
Show 21017+1652 BPM2311 AB 110 113.7 117
Show 21120+1822 ZIE 12 AB 26 13.3 117
Show 21120+1822 ZIE 12 AC 268 298.4 117
Show 21017+1652 BPM2312 BC 68 82.7 117
Show 21088+1709 TDT2783 327 1.1 118
Show 20579+2009 BRT2486 165 2.9 119
Show 21105+1958 STF2767 28 2.5 119

 
 
WDS 21039+1844 : COMPONENTS
 
 
  A
B pa=244.5°
sep=5.13"
 
 
21039+1844 A
 
 
Componente originario normalizzato AB Name HD 200617 Coord arcsec 2000 210356.15+184406.0 Mag 8.03
Spectral class K0 (yellow-orange) PmRA 2.00 PmDE -15.0 SAO 106810
HIP 103970 Tycho2 1652-00756-1 HD 200617 BD BD+18 4687
Tycho2
Tycho2 1652-00756-1 Pflag RAmdeg 315.98396424 DEmdeg 18.73500900
PmRA 2.1 PmDE -15.3 E RAmdeg 5 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.22 EpDEm 1990.36
Num 13 Q RAmdeg 1.8 Q DEmdeg 1.1 Q pmRA 1.8
Q pmDE 1.1 BTmag 9.179 E BTmag 0.018 VTmag 8.026
E VTmag 0.011 Prox 54 TYC T HIP 103970
CCDM A RAdeg 315.98396000 DEdeg 18.73504722 EpRA 1990 1.71
EpDE 1990 1.16 E RAdeg 4.9 E DEdeg 7.2 Posflg
Corr 0.0
SAO
SAO 106810 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.021 Vmag 8 SpType K0
Double code Source 28 CatNum 8573 DM BD+18 4687
DMcomp BDsup HD 200617 M HD 0
GC RA1950rad 5.50492261 DE1950rad 0.3235141 PmRA2000 0.0009
PmDE2000 -0.024
Hipparcos
Catalog H HIP 103970 Proxy H RAhms 21 03 56.15
DEdms +18 44 06.2 Vmag 7.9 VarFlag R Vmag H
RAdeg 315.984 DEdeg 18.735 AstroRef A Plx 4.93
CCDM 21039+1844 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 246 Rho 5.42 HD 200617 BD BD+18 4687
CD CP Dm number +18 4687 VIred 0.94
SpType K0 R SpType Coord arcsec 2000 210356.15+184406.2
Hipparcos 2
HIP 103970 Sn 15 So 3 Nc 2
RArad 5.5149604538 DErad 0.3269882631 Plx 3.99 PmRA -2.12
PmDE -19.71 E RArad 0.67 E DErad 0.44 E Plx 0.89
E pmRA 0.79 E pmDE 0.46 Hpmag 8.0631 E Hpmag 0.0013
SHp 0.013 VA 0 BV 0.8 E BV 0.495
VI 0.94
CCDM
Ccdm 21039+1844 RComp Comp A Note1
Note2 Discov num DRAs 2.12 DDEs 5.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp K0 PmNote *
PmRA -4 PmDE -28 Dm number +18 4687 Cat1 BD
Name2 +18 2123 Cat2 AGK2/3 HD 200617 M HD
ADS BDS M ADS BDS N IDS IDS 20593N1820A
HIC 103970
 
 
21039+1844 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210355.82+184403.8 Mag 12.16 PmRA -3.00
PmDE -20.0 Calc delta mag 4.13 Calc coord yes
CCDM
Ccdm 21039+1844 RComp Comp B Note1
Note2 Discov num BRT2489 DRAs DDEs
R dRAs Year 1904 Theta 247 Rho 4.7
Obs 2 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20593N1820B
HIC 103970