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Current system
21180+0010
BUP 228 BC


Nearby doubles
9' : 21187+0010
KPP1282

10' : 21186+0005
SLW1236

12' : 21188+0019
WSS 4

28' : 21198+0026
WAA 50

29' : 21164-0003
LYS 42AB

31' : 21162-0003
LYS 41

36' : 21166-0037
HDS3029

41' : 21155+0008
SLW1233

44' : 21210+0022
RST5162

46' : 21161+0045
SLN 40

47' : 21212+0001
BAL 931

48' : 21155+0037
ITF 234

50' : 21163+0052
BAL1226

50' : 21165-0054
TDT2876

65' : 21147-0050
A 883AB

70' : 21211+0104
BAL1227

72' : 21143-0052
LYS 38

73' : 21176-0101
LYS 43

75' : 21133-0024
NSN 73

86' : 21129-0045
SLW1231

87' : 21237+0034
A 886

88' : 21127-0045
J 1403

89' : 21123-0002
KPP1761

90' : 21182+0141
BAL1584

94' : 21242+0036
ITF 219

94' : 21157-0114
STF2778AB



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.

21180+0010 BUP 228 BC

 
 
21h 18m 10.24s +00° 11' 34.7" P.A. 117.00 sep 12.2 mag 9.53,11.20 Sp K0
 
 
Coord 2000 21180+0010 Discov num BUP 228 Comp BC Coord arcsec 2000 21 18 10.24 +00 11 34.7
Date first 1908 Date last 2020 Obs 11
Pa first 117 Pa last 117.1 P.A. Now (θ) 117.1°
Sep first 12.0 Sep last 12.24 Sep. Now (ρ) 12.24"
Mag pri 9.53 Mag sec 11.20 delta mag (ΔM) 1.67 Spectral class K0 (yellow-orange)
Pri motion ra +001 Sec motion ra +014
Pri motion dec -001 Sec motion dec +000
Notes U (Proper motion indicates non-physical)
rPM=0.931
This double is not physical.
 
 
21180+0010 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 202751 145275 21 18 03 +00 09 42 ENG 82 AB 2020 12 41 152.5 8.29 9.53 1.24
Show 145275 21 18 03 +00 09 42 TOB 317 AD 2020 4 53 123.3 8.29 12.75 4.46
Show 21 18 10 +00 11 35 BUP 228 BC 2020 11 117 12.2 9.53 11.20 1.67 <===
Show 21 18 10 +00 11 35 LYS 44 BD 2020 7 181 41.2 9.53 12.75 3.22
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 0528-01459-1 Gaia DR2 2689456397032821760
 
 
WDS 21180+0010 BUP 228 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) 1913QB811.B8.......
ENG (Note: Some time after publication of the IDS, the designation for Engelmann was
ENG changed from EN to ENG and that for Engelhardt from ENG to ENH. This has led to
ENG considerable confusion between the two. All but three of the ENG pairs in the WDS
ENG (ENG 21, 39, and 68) were actually discovered by Engelhardt. These pairs were
ENG not renamed, however, in order to avoid confusion with already published measures)
Eng1865 Ma - Engelmann, R. .
Eng1865 Messungen Neunzig Doppelsternen, 1865
Eng1865b Ma - Engelmann, R. 1865AN.....64...81E
Eng1865b AN 64, 81, #1518, 1865
Eng1868 Ma j Engelmann, R. 1868AN.....70..257E
Eng1868 AN 70, 257, 1868
Eng1868b Ma j Engelmann, R. 1868AN.....71..235B
Eng1868b AN 71, 253, #1696, 1868
Eng1875A Ma - Engelmann, R. 1875AN.....85..323D
Eng1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
Eng1882 Ma j Engelmann, R. .
Eng1882 Pub. K. Univ. Sternwarte Leipzig, Heft 1, 33, 1882
Eng1882 (Most data were published in AN 70, 257, 1868. Some of the remaining measures 1868AN.....70..257E
Eng1882 were too discrepant, so not added to WDS)
Eng1885a Ma - Engelmann, R. 1885AN....111..337E
Eng1885a AN 111, 337, 1885
Eng1885b Ma j Engelmann, R. 1885AN....112..193E
Eng1885b AN 112, 193, 1885
Eng1886 Ma - Engelmann, R. 1886AN....115...81E
Eng1886 AN 115, 81, 1886
Eng1887 Ma - Engelmann, R. 1887AN....117...17E
Eng1887 AN 117, 17, 1887
Eng1905A Ma - Engelmann, R. 1905LicOB...3..147A
Eng1905A cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
Eng1906A Ma - Engelmann, R. 1906MmRAS..56....1L
Eng1906A cited by Lewis (MemRAS 56, 1, 1906)
Eng1913A Ma - Engelmann, R. 1913QB811.B8.......
Eng1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Eng1937A Ma - Engelmann, R. 1937AnLei..18....1S
Eng1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Lys1987a Pa ? Louys, L. 1987BAORB..10..129L
Lys1987a Bull. R. Astron. Obs. Belgium 10, 129, 1987
Lys1987b Pa ? Louys, L. 1987BAORB..10..136L
Lys1987b Bull. R. Astron. Obs. Belgium 10, 136, 1987
Tob2000 Mb u Tobal, T. 2000O&T....52...67T
Tob2000 Obs. et Travaux 52, 67, 2000
Tob2003 M+ j Tobal, T. ...................
Tob2003 +Pa OAG Gen. Cat. 10,000 vis. double star meas. 1970-2003 (J2000.0), 2003
Tob2003 +Z
Tob2005a Pu j Tobal, T. ...................
Tob2005a Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 1, 2004)
Tob2005b Pu j Tobal, T. ...................
Tob2005b Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 2, 2004)
Tob2005c Pu j Tobal, T. ...................
Tob2005c Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 3, 2004)
Tob2005d Pp j Tobal, T. ...................
Tob2005d Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 4, 2004)
Tob2005e Pp j Tobal, T. ...................
Tob2005e Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 5, 2004)
Tob2005f Pp j Tobal, T. ...................
Tob2005f Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 6, 2004)
Tob2005g Pp j Tobal, T. ...................
Tob2005g Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 7, 2004)
Tob2005h Pu j Tobal, T. ...................
Tob2005h Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 8, 2005)
Tob2005i Pp j Tobal, T. ...................
Tob2005i Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 9, 2005)
Tob2005j Pp j Tobal, T. & Martin, I.T. ...................
Tob2005j Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 10, 2005)
Tob2006a Pp j Tobal, T. ...................
Tob2006a Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 11, 2006)
Tob2006b Pp j Tobal, T. ...................
Tob2006b Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 12, 2006)
Tob2006c Pa j Tobal, T. ...................
Tob2006c Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 13, 2006)
Tob2006d Pa j Tobal, T. ...................
Tob2006d Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 14, 2006)
Tob2007a Pu j Tobal, T. ...................
Tob2007a Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 15, 2007)
Tob2007b Pa j Tobal, T. ...................
Tob2007b Webb Soc., Double Star Circ. 16, 2008 (also OAG General Cat. Suppl. 20, 2007)
Tob2008 Pa j Tobal, T. ...................
Tob2008 OAG General Cat. Suppl. 21, 2008
Tob2009 Pa j Tobal, T. ...................
Tob2009 Webb Soc., Double Star Circ. 18, 2010 (also OAG General Cat. Suppl. 23, 2009)
Tob2012a Pa j Tobal, T. ...................
Tob2012a GWP Catalog, part I (equatorial zone), OAG CPMWP Survey (2012)
Tob2012b not - Tobal, T. ...................
Tob2012b private communication, 2012
Tob2012c Pa j Tobal, T. ...................
Tob2012c Webb Soc., Double Star Circ. 20, 2012 (also OAG General Cat. Suppl. 26, 2010)
Tob2016 Pa j Tobal, T. ...................
Tob2016 GWP Catalog, part II (equatorial zone), OAG CPMWP Survey (2016)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21180+0010 BUP 228 BC 2000 3 117 12.3 10.00 11.70 K0 D 211810.24+001134.7
21180+0010 BUP 228 BC 2015 5 115 12.1 9.53 11.20 K0 U 211810.24+001134.7
21180+0010 BUP 228 BC 2020 10 117 12.2 9.53 11.20 K0 U 211810.24+001134.7

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

 
 
WDS 21180+0010 BUP 228 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21180+0010 BUP 228 BC : MEASURES
 
 
No records found.

 
 
WDS 21180+0010 : VIRTUAL EYEPIECE
 
 

21180+0010 ENG 82A mag 8.29 Sp K2 21180+0010 BUP 228B sep 157.1 P.A. 44.00 mag 9.53 Sp K0 21180+0010 BUP 228C sep 161.1 P.A. 48.10 mag 11.2 21180+0010 TOB 317D sep 123.3 P.A. 52.90 mag 12.75 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 21180+0010 : ALADIN DSS IMAGE @ 21h 18m 10.24s +00° 11' 34.7"
 
 
 
 
WDS 21180+0010 BUP 228 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21180+0010 BUP 228BC distance=1' 21180+0010 LYS 44BD distance=1' 21180+0010 ENG 82AB distance=3' 21180+0010 TOB 317AD distance=3' 21187+0010 KPP1282 distance=9' 21186+0005 SLW1236 distance=10' 21188+0019 WSS 4 distance=12' 21198+0026 WAA 50 distance=28' 21164-0003 LYS 42AB distance=29' 21164-0003 LYS 42AC distance=29' 21164-0003 LYS 42AD distance=29' 21162-0003 LYS 41 distance=31' 21166-0037 HDS3029 distance=36' 21155+0008 SLW1233 distance=41' 21210+0022 RST5162 distance=44' 21161+0045 SLN 40 distance=46' 21212+0001 BAL 931 distance=47' 21155+0037 ITF 234 distance=48' 21163+0052 BAL1226 distance=50' 21165-0054 TDT2876 distance=50' 21147-0050 A 883AB distance=65' 21147-0050 LYS 39AF distance=65' 21147-0050 LYS 39AH distance=65' 21147-0050 STF2775AB,C distance=65' 21147-0050 STF2775AB,D distance=65' 21147-0050 LYS 39FG distance=67' 21147-0050 STF2775DE distance=68' 21211+0104 BAL1227 distance=70' 21143-0052 LYS 38 distance=72' 21176-0101 LYS 43 distance=73' 21133-0024 NSN 73 distance=75' 21129-0045 SLW1231 distance=86' 21237+0034 A 886 distance=87' 21127-0045 J 1403 distance=88' 21123-0002 KPP1761 distance=89' 21182+0141 BAL1584 distance=90' 21242+0036 ITF 219 distance=94' 21157-0114 STF2778AB distance=94' 21157-0114 STF2778AC distance=94' 21119+0032 ITF 212 distance=96' 21151-0117 LYS 40AB distance=100' 21151-0117 LYS 40AC distance=100' 21151-0117 LYS 40AD distance=100' 21119-0053 UC 4401 distance=103' 21113+0011 GWP3040 distance=104' 21234+0123 BAL1228 distance=107' 21203-0130 BU 1304 distance=107' 21199+0158 KPP 763 distance=110' 21111+0041 SKF1774 distance=111' 21209-0136 RST5161 distance=114' 21103-0016 LDS4866 distance=117' 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 21180+0010 BUP 228 BC 117 12.2 1
Show 21180+0010 LYS 44 BD 181 41.2 1
Show 21180+0010 ENG 82 AB 41 152.5 3
Show 21180+0010 TOB 317 AD 53 123.3 3
Show 21187+0010 KPP1282 16 9.8 9
Show 21186+0005 SLW1236 51 176.0 10
Show 21188+0019 WSS 4 37 2.8 12
Show 21198+0026 WAA 50 99 15.8 28
Show 21164-0003 LYS 42 AB 188 6.2 29
Show 21164-0003 LYS 42 AC 108 55.7 29
Show 21164-0003 LYS 42 AD 170 69.9 29
Show 21162-0003 LYS 41 234 6.4 31
Show 21166-0037 HDS3029 120 0.6 36
Show 21155+0008 SLW1233 19 13.5 41
Show 21210+0022 RST5162 21 0.4 44
Show 21161+0045 SLN 40 207 2.0 46
Show 21212+0001 BAL 931 234 34.7 47
Show 21155+0037 ITF 234 129 2.9 48
Show 21163+0052 BAL1226 199 3.9 50
Show 21165-0054 TDT2876 105 0.6 50
Show 21147-0050 A 883 AB 264 0.1 65
Show 21147-0050 LYS 39 AF 297 185.0 65
Show 21147-0050 LYS 39 AH 126 262.6 65
Show 21147-0050 STF2775 AB,C 178 21.3 65
Show 21147-0050 STF2775 AB,D 200 170.3 65
Show 21147-0050 LYS 39 FG 11 20.0 67
Show 21147-0050 STF2775 DE 125 74.5 68
Show 21211+0104 BAL1227 152 4.3 70
Show 21143-0052 LYS 38 23 11.8 72
Show 21176-0101 LYS 43 38 10.3 73
Show 21133-0024 NSN 73 265 7.9 75
Show 21129-0045 SLW1231 211 14.0 86
Show 21237+0034 A 886 349 4.8 87
Show 21127-0045 J 1403 344 4.0 88
Show 21123-0002 KPP1761 90 13.6 89
Show 21182+0141 BAL1584 338 9.7 90
Show 21242+0036 ITF 219 270 2.6 94
Show 21157-0114 STF2778 AB 284 18.4 94
Show 21157-0114 STF2778 AC 264 69.0 94
Show 21119+0032 ITF 212 176 2.6 96
Show 21151-0117 LYS 40 AB 169 19.6 100
Show 21151-0117 LYS 40 AC 123 8.8 100
Show 21151-0117 LYS 40 AD 219 19.0 100
Show 21119-0053 UC 4401 234 25.6 103
Show 21113+0011 GWP3040 290 12.7 104
Show 21234+0123 BAL1228 317 5.9 107
Show 21203-0130 BU 1304 55 3.5 107
Show 21199+0158 KPP 763 174 6.6 110
Show 21111+0041 SKF1774 308 1.2 111
Show 21209-0136 RST5161 234 2.9 114
Show 21103-0016 LDS4866 245 1.8 117

 
 
WDS 21180+0010 : COMPONENTS
 
 
  A B C
B pa=44.0°
sep=157.11"
 
C pa=48.1°
sep=161.09"
pa=117.1°
sep=12.24"
 
D pa=52.9°
sep=123.29"
pa=195.5°
sep=40.19"
pa=213.1°
sep=39.58"
 
 
21180+0010 A
 
 
Name HD 202751 Coord arcsec 2000 211802.97+000941.6 Mag 8.29 Spectral class K2 (yellow-orange)
PmRA 468.00 PmDE -185.0 SAO 145275 HIP 105152
Tycho2 0528-01809-1 HD 202751 GC 29787 BD BD-00 4195
Tycho2
Tycho2 0528-01809-1 Pflag RAmdeg 319.51239357 DEmdeg 0.16157492
PmRA 467.7 PmDE -187.5 E RAmdeg 8 E DEmdeg 9
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.43 EpDEm 1990.43
Num 14 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.6 BTmag 9.505 E BTmag 0.023 VTmag 8.288
E VTmag 0.014 Prox 999 TYC T HIP 105152
CCDM RAdeg 319.51132944 DEdeg 0.16200306 EpRA 1990 1.81
EpDE 1990 1.78 E RAdeg 8.0 E DEdeg 9.4 Posflg
Corr -0.2
SAO
SAO 145275 DelFlag RA1950 PmRA1950 0.0301
DE1950 PmDE1950 -0.179 Vmag 8.5 SpType K2
Double code Source 70 CatNum 29787 DM BD-00 4195
DMcomp BDsup HD 202751 M HD 0
GC 29787 RA1950rad 5.56524566 DE1950rad -0.00081006 PmRA2000 0.0303
PmDE2000 -0.182
Hipparcos
Catalog H HIP 105152 Proxy RAhms 21 18 02.70
DEdms +00 09 43.3 Vmag 8.15 VarFlag R Vmag H
RAdeg 319.511 DEdeg 0.162033 AstroRef Plx 52.03
CCDM 21181+0010 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 202751 BD BD-00 4195
CD CP Dm number -00 4195 VIred 1.08
SpType K2 R SpType Coord arcsec 2000 211802.70+000943.3
Hipparcos 2
HIP 105152 Sn 5 So 0 Nc 1
RArad 5.5765233987 DErad 0.0028280214 Plx 50.46 PmRA 468.58
PmDE -187.74 E RArad 0.86 E DErad 0.73 E Plx 1.03
E pmRA 1.02 E pmDE 0.91 Hpmag 8.3155 E Hpmag 0.0021
SHp 0.013 VA 0 BV 0.99 E BV 0.015
VI 1.08
 
 
21180+0010 B
 
 
Coord arcsec 2000 211810.24+001134.7 Coord calc 211810.24+001134.7 Mag 9.53 Spectral class K0 (yellow-orange)
PmRA 1.00 PmDE -1.0 Tycho2 0528-01459-1 Calc delta mag 1.24
Tycho2
Tycho2 0528-01459-1 Pflag RAmdeg 319.54268931 DEmdeg 0.19298530
PmRA -0.6 PmDE -0.7 E RAmdeg 17 E DEmdeg 20
E pmRA 1.0 E pmDE 1.1 EpRAm 1985.85 EpDEm 1985.40
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.6 BTmag 10.708 E BTmag 0.047 VTmag 9.529
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 319.54269000 DEdeg 0.19298833 EpRA 1990 1.81
EpDE 1990 1.80 E RAdeg 19.3 E DEdeg 22.1 Posflg
Corr -0.2
 
 
21180+0010 C
 
 
Coord arcsec 2000 211810.97+001129.1 Mag 11.2 PmRA 14.00 PmDE 0.0
Calc delta mag 2.91 Calc coord yes
 
 
21180+0010 D
 
 
Coord arcsec 2000 211809.53+001056.0 Mag 12.75 PmRA -3.00 PmDE -7.0
Calc delta mag 4.46 Calc coord yes