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Doubles in session


Current system
21121+1038
BUP 226 BC


Nearby doubles
21' : 21131+1028
BU 1501

21' : 21107+1038
LEP 172

25' : 21123+1105
BPMA251

26' : 21138+1045
HJ 278

31' : 21130+1109
GWP3042

36' : 21110+1113
BPM2339

37' : 21140+1106
AG 415AB

42' : 21137+1115
BPM2345

43' : 21103+1008
KNT 5AB

51' : 21106+1126
BPM2337

52' : 21088+1047
WAK 12

52' : 21116+1133
LDS4869

54' : 21145+1000
STT 535AB

59' : 21088+1113
BPM2334

62' : 21142+1135
BPM2350

65' : 21084+1008
BU 9010AB

66' : 21139+1140
BPM2346

71' : 21110+0933
STF2765AB

72' : 21143+1145
BPM2351

78' : 21071+1042
J 2576

79' : 21164+1128
CVR 892

82' : 21087+1145
BPM2333

82' : 21086+0938
J 159

85' : 21118+1205
GRV 434

89' : 21101+0919
GWP3039

90' : 21181+1027
UC 4435



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.

21121+1038 BUP 226 BC

 
 
21h 12m 05.74s +10° 41' 19.6" P.A. 30.00 sep 24.7 mag 10.08,13.38 Sp G5
 
 
Coord 2000 21121+1038 Discov num BUP 226 Comp BC Coord arcsec 2000 21 12 05.74 +10 41 19.6
Date first 1908 Date last 2014 Obs 6
Pa first 31 Pa last 29.6 P.A. Now (θ) 29.6°
Sep first 19.5 Sep last 24.731 Sep. Now (ρ) 24.731"
Mag pri 10.08 Mag sec 13.38 delta mag (ΔM) 3.3 Spectral class G5 (yellow)
Pri motion ra -025 Sec motion ra -002
Pri motion dec -040 Sec motion dec +002
Notes W
rPM=1.015
This double is not physical.
 
 
21121+1038 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201876 106909 21 12 08 +10 38 17 ENG 81 AB 2003 14 353 184.7 8.13 10.08 1.95
Show 21 12 06 +10 41 20 BUP 226 BC 2014 6 30 24.7 10.08 13.38 3.30 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus Tycho2 1109-01584-1 Gaia DR2 1744810780166359040
 
 
WDS 21121+1038 BUP 226 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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21121+1038 BUP 226 BC 2002 3 32 24.3 10.08 14.00 G5 D 211205.74+104119.6
21121+1038 BUP 226 BC 2014 6 30 24.7 10.08 13.38 G5 W 211205.74+104119.6

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

 
 
WDS 21121+1038 BUP 226 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21121+1038 BUP 226 BC : MEASURES
 
 
No records found.

 
 
WDS 21121+1038 : VIRTUAL EYEPIECE
 
 

21121+1038 ENG 81A mag 8.13 Sp F8 21121+1038 BUP 226B sep 184.9 P.A. 351.60 mag 10.08 Sp G5 21121+1038 BUP 226C sep 205.0 P.A. 355.80 mag 13.38 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 21121+1038 : ALADIN DSS IMAGE @ 21h 12m 05.74s +10° 41' 19.6"
 
 
 
 
WDS 21121+1038 BUP 226 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21121+1038 BUP 226BC distance=0' 21121+1038 ENG 81AB distance=4' 21131+1028 BU 1501 distance=21' 21107+1038 LEP 172 distance=21' 21123+1105 BPMA251 distance=25' 21138+1045 HJ 278 distance=26' 21130+1109 GWP3042 distance=31' 21110+1113 BPM2339 distance=36' 21140+1106 AG 415AB distance=37' 21140+1106 TOB 316BC distance=38' 21137+1115 BPM2345 distance=42' 21103+1008 KNT 5AB distance=43' 21103+1008 BU 71AC distance=43' 21103+1008 STFA 54AD distance=43' 21106+1126 BPM2337 distance=51' 21088+1047 WAK 12 distance=52' 21116+1133 LDS4869 distance=52' 21145+1000 STT 535AB distance=54' 21145+1000 STF2777AB,C distance=54' 21088+1113 BPM2334 distance=59' 21142+1135 BPM2350 distance=62' 21084+1008 BU 9010AB distance=65' 21084+1008 BU 9010AC distance=65' 21139+1140 BPM2346 distance=66' 21110+0933 STF2765AB distance=71' 21110+0933 STF2765AC distance=71' 21143+1145 BPM2351 distance=72' 21071+1042 J 2576 distance=78' 21164+1128 CVR 892 distance=79' 21087+1145 BPM2333 distance=82' 21086+0938 J 159 distance=82' 21118+1205 GRV 434 distance=85' 21101+0919 GWP3039 distance=89' 21181+1027 UC 4435 distance=90' 21165+0936 BRT3228 distance=93' 21088+1205 SLE 532 distance=97' 21066+1137 J 1781 distance=98' 21179+0952 HJ 3019 distance=99' 21056+1113 BPM2322 distance=102' 21140+1219 BPM2348 distance=102' 21165+0924 LAF 64AB distance=102' 21165+0924 LAF 64AC distance=102' 21128+1223 KPP4228 distance=103' 21071+1153 HJ 274AB distance=103' 21071+1153 SLE 526AC distance=103' 21147+0907 CVR 890 distance=103' 21073+1156 TOB 315 distance=104' 21116+1224 HJ 277 distance=104' 21074+1200 SLE 528 distance=105' 21181+0942 HJ 3020 distance=108' 21056+1133 BPM2323 distance=109' 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 21121+1038 BUP 226 BC 30 24.7
Show 21121+1038 ENG 81 AB 353 184.7 4
Show 21131+1028 BU 1501 210 1.0 21
Show 21107+1038 LEP 172 11 4.7 21
Show 21123+1105 BPMA251 305 252.8 25
Show 21138+1045 HJ 278 263 22.9 26
Show 21130+1109 GWP3042 113 25.6 31
Show 21110+1113 BPM2339 123 58.7 36
Show 21140+1106 AG 415 AB 23 15.9 37
Show 21140+1106 TOB 316 BC 87 21.1 38
Show 21137+1115 BPM2345 10 52.4 42
Show 21103+1008 KNT 5 AB 248 0.6 43
Show 21103+1008 BU 71 AC 359 59.9 43
Show 21103+1008 STFA 54 AD 152 335.2 43
Show 21106+1126 BPM2337 97 68.2 51
Show 21088+1047 WAK 12 180 4.3 52
Show 21116+1133 LDS4869 267 203.8 52
Show 21145+1000 STT 535 AB 7 0.1 54
Show 21145+1000 STF2777 AB,C 6 76.5 54
Show 21088+1113 BPM2334 311 75.2 59
Show 21142+1135 BPM2350 144 29.1 62
Show 21084+1008 BU 9010 AB 313 10.1 65
Show 21084+1008 BU 9010 AC 211 32.6 65
Show 21139+1140 BPM2346 245 17.4 66
Show 21110+0933 STF2765 AB 82 2.9 71
Show 21110+0933 STF2765 AC 167 44.2 71
Show 21143+1145 BPM2351 255 115.3 72
Show 21071+1042 J 2576 58 5.4 78
Show 21164+1128 CVR 892 185 7.0 79
Show 21087+1145 BPM2333 240 92.1 82
Show 21086+0938 J 159 246 4.0 82
Show 21118+1205 GRV 434 169 65.4 85
Show 21101+0919 GWP3039 61 73.1 89
Show 21181+1027 UC 4435 259 50.5 90
Show 21165+0936 BRT3228 259 6.2 93
Show 21088+1205 SLE 532 162 8.3 97
Show 21066+1137 J 1781 116 7.5 98
Show 21179+0952 HJ 3019 309 15.0 99
Show 21056+1113 BPM2322 253 67.4 102
Show 21140+1219 BPM2348 161 95.7 102
Show 21165+0924 LAF 64 AB 29 5.5 102
Show 21165+0924 LAF 64 AC 168 12.4 102
Show 21128+1223 KPP4228 149 2.3 103
Show 21071+1153 HJ 274 AB 85 9.2 103
Show 21071+1153 SLE 526 AC 262 51.0 103
Show 21147+0907 CVR 890 3 29.1 103
Show 21073+1156 TOB 315 92 24.9 104
Show 21116+1224 HJ 277 318 12.3 104
Show 21074+1200 SLE 528 186 9.8 105
Show 21181+0942 HJ 3020 295 25.8 108
Show 21056+1133 BPM2323 321 73.7 109

 
 
WDS 21121+1038 : COMPONENTS
 
 
  A B
B pa=351.6°
sep=184.90"
 
C pa=355.8°
sep=204.96"
pa=29.2°
sep=24.63"
 
 
21121+1038 A
 
 
Name HD 201876 Coord arcsec 2000 211207.58+103816.7 Mag 8.13 Spectral class F8 (yellow-white)
PmRA 172.00 PmDE 0.0 SAO 106909 HIP 104672
Tycho2 1109-01598-1 HD 201876 GC 29635 BD BD+10 4481
Tycho2
Tycho2 1109-01598-1 Pflag RAmdeg 318.03157372 DEmdeg 10.63799504
PmRA 171.3 PmDE 1.8 E RAmdeg 8 E DEmdeg 8
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.97 EpDEm 1990.82
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 8.735 E BTmag 0.020 VTmag 8.129
E VTmag 0.014 Prox 999 TYC T HIP 104672
CCDM RAdeg 318.03117250 DEdeg 10.63799111 EpRA 1990 1.70
EpDE 1990 1.73 E RAdeg 7.6 E DEdeg 8.2 Posflg
Corr 0.0
SAO
SAO 106909 DelFlag RA1950 PmRA1950 0.0137
DE1950 PmDE1950 0.016 Vmag 8.2 SpType F8
Double code Source 70 CatNum 29635 DM BD+10 4481
DMcomp BDsup HD 201876 M HD 0
GC 29635 RA1950rad 5.54009124 DE1950rad 0.18207563 PmRA2000 0.0138
PmDE2000 0.013
Hipparcos
Catalog H HIP 104672 Proxy RAhms 21 12 07.48
DEdms +10 38 16.8 Vmag 8.08 VarFlag R Vmag H
RAdeg 318.031 DEdeg 10.638 AstroRef Plx 12.56
CCDM 21121+1039 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 201876 BD BD+10 4481
CD CP Dm number +10 4481 VIred 0.63
SpType F8 R SpType Coord arcsec 2000 211207.48+103816.8
Hipparcos 2
HIP 104672 Sn 5 So 0 Nc 1
RArad 5.5506906871 DErad 0.1856679205 Plx 13.64 PmRA 171.44
PmDE -0.35 E RArad 0.59 E DErad 0.59 E Plx 0.75
E pmRA 0.85 E pmDE 0.65 Hpmag 8.199 E Hpmag 0.0015
SHp 0.012 VA 0 BV 0.56 E BV 0.015
VI 0.63
 
 
21121+1038 B
 
 
Coord arcsec 2000 211205.74+104119.6 Coord calc 211205.74+104119.6 Mag 10.08 Spectral class G5 (yellow)
PmRA -25.00 PmDE -40.0 Tycho2 1109-01584-1 DM BD+10 4480
Calc delta mag 1.95
Tycho2
Tycho2 1109-01584-1 Pflag RAmdeg 318.02395201 DEmdeg 10.68880215
PmRA -22.3 PmDE -40.3 E RAmdeg 29 E DEmdeg 28
E pmRA 1.6 E pmDE 1.5 EpRAm 1984.89 EpDEm 1982.74
Num 8 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.7 BTmag 10.907 E BTmag 0.069 VTmag 10.078
E VTmag 0.047 Prox 999 TYC T HIP
CCDM RAdeg 318.02400222 DEdeg 10.68889306 EpRA 1990 1.71
EpDE 1990 1.68 E RAdeg 33.8 E DEdeg 37.9 Posflg
Corr -0.1
 
 
21121+1038 C
 
 
Coord arcsec 2000 211206.55+104141.1 Mag 13.38 PmRA -2.00 PmDE 2.0
Calc delta mag 5.25 Calc coord yes