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Current system
21431+6201
ES 1856


Nearby doubles
16' : 21450+6202
STI1047

23' : 21449+6228
MLR 16AB

27' : 21447+6233
FYM 281

28' : 21470+6214
STI1050

30' : 21465+6152
ES 1857AB

34' : 21478+6203
HU 971AB

38' : 21379+6205
FRK 10

39' : 21420+6130
FOX 98AB

41' : 21481+6230
ES 1858AB

47' : 21464+6250
STI1049

47' : 21474+6245
WIS 354

50' : 21485+6137
D 33AB

52' : 21398+6123
TDT3092

57' : 21502+6144
TDT3186

58' : 21414+6112
ES 141

61' : 21402+6306
MLB 175

61' : 21466+6305
KPP4247

63' : 21521+6206
KR 56

64' : 21410+6311
TDT3106

65' : 21510+6137
STT 451

68' : 21339+6148
STT 442AB

70' : 21506+6024
STI1059

72' : 21514+6251
LDS5933

73' : 21462+6100
STI1048

74' : 21327+6202
TDT3022

74' : 21518+6129
STI1063AB



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.

21431+6201 ES 1856

 
 
21h 43m 06.25s +62° 09' 00.6" P.A. 47.00 sep 4.9 mag 8.60,13.20 Sp K0
 
 
Coord 2000 21431+6201 Discov num ES 1856 Comp Coord arcsec 2000 21 43 06.25 +62 09 00.6
Date first 1920 Date last 2015 Obs 2
Pa first 53 Pa last 47.3 P.A. Now (θ) 47.3°
Sep first 5.4 Sep last 4.919 Sep. Now (ρ) 4.919"
Mag pri 8.60 Mag sec 13.20 delta mag (ΔM) 4.6 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Tycho2 4266-00686-1 Gaia DR2 2216020988069868672
 
 
WDS 21431+6201 ES 1856 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A 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
21431+6201 ES 1856 1920 1 53 5.4 8.00 12.00 214305.70+620155.6
21431+6201 ES 1856 2010 2 66 5.3 8.20 12.00 A0 214305.70+620155.6
21431+6201 ES 1856 2015 2 47 4.9 8.60 13.20 K0 214306.25+620900.6

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

 
 
WDS 21431+6201 ES 1856 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21431+6201 ES 1856 : MEASURES
 
 
No records found.

 
 
WDS 21431+6201 : VIRTUAL EYEPIECE
 
 

21431+6201 ES 1856A mag 8.6 Sp K0 21431+6201 ES 1856B sep 3.7 P.A. 26.90 mag 13.2 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 21431+6201 : ALADIN DSS IMAGE @ 21h 43m 06.25s +62° 09' 00.6"
 
 
 
 
WDS 21431+6201 ES 1856 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21431+6201 ES 1856 distance=0' 21450+6202 STI1047 distance=16' 21449+6228 MLR 16AB distance=23' 21449+6228 TRN 33AC distance=23' 21449+6228 CIA 43Aa,Ab distance=23' 21447+6233 FYM 281 distance=27' 21470+6214 STI1050 distance=28' 21465+6152 ES 1857AB distance=30' 21465+6152 ES 1857AC distance=30' 21478+6203 HU 971AB distance=34' 21478+6203 HU 971AB,C distance=34' 21379+6205 FRK 10 distance=38' 21420+6130 FOX 98AB distance=39' 21420+6130 FOX 98AC distance=39' 21481+6230 ES 1858AB distance=41' 21481+6230 ES 1858AC distance=41' 21464+6250 STI1049 distance=47' 21474+6245 WIS 354 distance=47' 21485+6137 D 33AB distance=50' 21485+6137 MLB 176AC distance=50' 21398+6123 TDT3092 distance=52' 21502+6144 TDT3186 distance=57' 21414+6112 ES 141 distance=58' 21402+6306 MLB 175 distance=61' 21466+6305 KPP4247 distance=61' 21521+6206 KR 56 distance=63' 21410+6311 TDT3106 distance=64' 21510+6137 STT 451 distance=65' 21339+6148 STT 442AB distance=68' 21506+6024 STI1059 distance=70' 21514+6251 LDS5933 distance=72' 21462+6100 STI1048 distance=73' 21327+6202 TDT3022 distance=74' 21518+6129 STI1063AB distance=74' 21518+6129 MRI 58BC distance=74' 21443+6055 HU 969 distance=75' 21492+6312 HEI 290 distance=77' 21534+6235 STI1068 distance=77' 21520+6258 MLB 178 distance=79' 21538+6237 PET 13CE distance=80' 21538+6237 S 800AB distance=80' 21538+6237 ES 144AC distance=80' 21538+6237 PET 13Aa,Ab distance=80' 21538+6237 ES 144BD distance=80' 21394+6325 STI1044 distance=81' 21538+6241 PET 12 distance=81' 21540+6237 PET 14 distance=81' 21490+6323 MLB 177 distance=84' 21549+6159 OSO 161AB distance=84' 21549+6159 OSO 161AC distance=84' 21549+6159 OSO 161AD distance=84' 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 21431+6201 ES 1856 47 4.9
Show 21450+6202 STI1047 194 12.5 16
Show 21449+6228 MLR 16 AB 34 17.8 23
Show 21449+6228 TRN 33 AC 75 3.0 23
Show 21449+6228 CIA 43 Aa,Ab -1 -1.0 23
Show 21447+6233 FYM 281 278 4.1 27
Show 21470+6214 STI1050 11 7.5 28
Show 21465+6152 ES 1857 AB 209 2.9 30
Show 21465+6152 ES 1857 AC 96 18.8 30
Show 21478+6203 HU 971 AB 207 0.3 34
Show 21478+6203 HU 971 AB,C 285 9.0 34
Show 21379+6205 FRK 10 20 35.0 38
Show 21420+6130 FOX 98 AB 170 2.3 39
Show 21420+6130 FOX 98 AC 142 9.2 39
Show 21481+6230 ES 1858 AB 227 6.5 41
Show 21481+6230 ES 1858 AC 33 17.8 41
Show 21464+6250 STI1049 90 4.5 47
Show 21474+6245 WIS 354 6 69.0 47
Show 21485+6137 D 33 AB 131 3.5 50
Show 21485+6137 MLB 176 AC 277 10.6 50
Show 21398+6123 TDT3092 307 0.5 52
Show 21502+6144 TDT3186 153 0.8 57
Show 21414+6112 ES 141 179 2.0 58
Show 21402+6306 MLB 175 85 2.9 61
Show 21466+6305 KPP4247 34 1.9 61
Show 21521+6206 KR 56 299 4.7 63
Show 21410+6311 TDT3106 231 0.6 64
Show 21510+6137 STT 451 219 4.2 65
Show 21339+6148 STT 442 AB 35 0.1 68
Show 21506+6024 STI1059 156 3.3 70
Show 21514+6251 LDS5933 333 2.4 72
Show 21462+6100 STI1048 117 13.8 73
Show 21327+6202 TDT3022 156 0.9 74
Show 21518+6129 STI1063 AB 88 9.8 74
Show 21518+6129 MRI 58 BC 98 2.6 74
Show 21443+6055 HU 969 313 2.4 75
Show 21492+6312 HEI 290 7 1.2 77
Show 21534+6235 STI1068 56 10.3 77
Show 21520+6258 MLB 178 325 4.5 79
Show 21538+6237 PET 13 CE 290 1.2 80
Show 21538+6237 S 800 AB 145 62.8 80
Show 21538+6237 ES 144 AC 278 20.5 80
Show 21538+6237 PET 13 Aa,Ab 212 0.1 80
Show 21538+6237 ES 144 BD 43 23.6 80
Show 21394+6325 STI1044 195 5.3 81
Show 21538+6241 PET 12 169 1.6 81
Show 21540+6237 PET 14 94 0.5 81
Show 21490+6323 MLB 177 57 2.6 84
Show 21549+6159 OSO 161 AB 335 14.8 84
Show 21549+6159 OSO 161 AC 36 21.8 84
Show 21549+6159 OSO 161 AD 19 19.8 84

 
 
WDS 21431+6201 : COMPONENTS
 
 
  A
B pa=26.9°
sep=3.74"
 
 
21431+6201 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214306.25+620900.6 Mag 8.6 Spectral class K0 (yellow-orange)
PmRA -3.00 PmDE -5.0 Tycho2 4266-00686-1
Tycho2
Tycho2 4266-00686-1 Pflag RAmdeg 325.77602660 DEmdeg 62.15015470
PmRA -4.1 PmDE -5.2 E RAmdeg 9 E DEmdeg 9
E pmRA 3.1 E pmDE 3.0 EpRAm 1991.50 EpDEm 1991.52
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.1 Q pmRA 0.4
Q pmDE 0.1 BTmag 10.504 E BTmag 0.031 VTmag 8.740
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 325.77604694 DEdeg 62.15016667 EpRA 1990 1.59
EpDE 1990 1.62 E RAdeg 8.9 E DEdeg 9.2 Posflg
Corr 0.1
 
 
21431+6201 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214306.49+620903.9 Mag 13.2 Calc delta mag 4.6
Calc coord yes