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Doubles in session


Current system
20490+6313
ES 1855


Nearby doubles
16' : 20496+6256
HJ 1588

17' : 20504+6259
STI 997

27' : 20528+6307
KPP1724

32' : 20453+6332
ES 134

35' : 20439+6311
TDT2504

39' : 20466+6238
HJ 1583

41' : 20486+6232
HJ 3004

44' : 20506+6356
STI 998

50' : 20552+6247
NSN 738

61' : 20574+6251
HDS2988

62' : 20433+6226
BU 471

64' : 20567+6237
HDS2983

64' : 20397+6325
DOB 15

71' : 20533+6209
BUP 219AB

79' : 20405+6220
KPP4211

80' : 21006+6329
BVD 337

81' : 20510+6154
STI1000

82' : 20371+6324
DOB 14

82' : 20380+6348
LDS2455

86' : 20389+6405
ES 1918

87' : 20453+6150
BU 1493

88' : 20535+6152
LDS1477

93' : 21019+6347
TDT2703

96' : 20350+6329
TOI1287

98' : 20366+6226
H 4 78

102' : 20445+6136
HDS2952



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.

20490+6313 ES 1855

 
 
20h 49m 02.64s +63° 12' 52.6" P.A. 18.00 sep 5.2 mag 9.58,12.30 Sp F8
 
 
Coord 2000 20490+6313 Discov num ES 1855 Comp Coord arcsec 2000 20 49 02.64 +63 12 52.6
Date first 1920 Date last 2015 Obs 9
Pa first 27 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 4.9 Sep last 5.174 Sep. Now (ρ) 5.174"
Mag pri 9.58 Mag sec 12.30 delta mag (ΔM) 2.72 Spectral class F8 (yellow-white)
Pri motion ra +001 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Tycho2 4250-00956-1 Gaia DR2 2196762285989340416 ADS 14344
 
 
WDS 20490+6313 ES 1855 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20490+6313 ES 1855 1999 3 20 4.9 9.58 12.30 F8 D 204902.64+631252.6
20490+6313 ES 1855 2003 4 18 5.1 9.58 12.30 F8 D 204902.64+631252.6
20490+6313 ES 1855 2010 5 17 4.9 9.58 12.30 F8 204902.64+631252.6
20490+6313 ES 1855 2015 6 17 5.3 9.58 12.30 F8 204902.64+631252.6

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

 
 
WDS 20490+6313 ES 1855 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20490+6313 ES 1855 : MEASURES
 
 
No records found.

 
 
WDS 20490+6313 : VIRTUAL EYEPIECE
 
 

20490+6313 ES 1855A mag 9.58 Sp F8 20490+6313 ES 1855B sep 5.0 P.A. 8.10 mag 12.3 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 20490+6313 : ALADIN DSS IMAGE @ 20h 49m 02.64s +63° 12' 52.6"
 
 
 
 
WDS 20490+6313 ES 1855 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20490+6313 ES 1855 distance=0' 20496+6256 HJ 1588 distance=16' 20504+6259 STI 997 distance=17' 20528+6307 KPP1724 distance=27' 20453+6332 ES 134 distance=32' 20439+6311 TDT2504 distance=35' 20466+6238 HJ 1583 distance=39' 20486+6232 HJ 3004 distance=41' 20506+6356 STI 998 distance=44' 20552+6247 NSN 738 distance=50' 20574+6251 HDS2988 distance=61' 20433+6226 BU 471 distance=62' 20567+6237 HDS2983 distance=64' 20397+6325 DOB 15 distance=64' 20533+6209 BUP 219BC distance=69' 20533+6209 BUP 219AB distance=71' 20533+6209 CSN 13AD distance=71' 20405+6220 KPP4211 distance=79' 21006+6329 BVD 337 distance=80' 20510+6154 STI1000 distance=81' 20371+6324 DOB 14 distance=82' 20380+6348 LDS2455 distance=82' 20389+6405 ES 1918 distance=86' 20453+6150 BU 1493 distance=87' 20535+6152 LDS1477 distance=88' 21019+6347 TDT2703 distance=93' 20350+6329 TOI1287 distance=96' 20366+6226 H 4 78 distance=98' 20445+6136 HDS2952 distance=102' 20351+6233 TDT2397 distance=103' 20580+6149 STI1005 distance=104' 20434+6454 STI 992 distance=108' 20414+6138 BVD 336 distance=109' 20521+6127 HU 762 distance=109' 20598+6152 BU 472 distance=110' 21021+6207 LDS4863 distance=112' 20568+6134 STF2740AB distance=114' 20363+6148 TDT2409 distance=123' 20353+6437 TDT2398 distance=124' 21061+6232 BVD 338 distance=124' 21076+6304 MLR 14 distance=126' 20576+6121 STF3133 distance=127' 20317+6228 BU 671 distance=128' 20411+6116 SMA 119 distance=130' 21003+6130 HJ 1607AB distance=130' 21003+6130 HJ 1607AC distance=130' 21003+6130 HJ 1607AD distance=130' 21055+6210 HU 765BC distance=130' 21055+6210 STF2764A,BC distance=130' 20464+6102 MLB 141 distance=134' 20354+6454 OSO 127AB distance=135' 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 20490+6313 ES 1855 18 5.2
Show 20496+6256 HJ 1588 33 17.3 16
Show 20504+6259 STI 997 71 15.1 17
Show 20528+6307 KPP1724 221 13.3 27
Show 20453+6332 ES 134 84 11.1 32
Show 20439+6311 TDT2504 357 1.6 35
Show 20466+6238 HJ 1583 69 9.6 39
Show 20486+6232 HJ 3004 195 3.8 41
Show 20506+6356 STI 998 93 4.8 44
Show 20552+6247 NSN 738 207 3.8 50
Show 20574+6251 HDS2988 301 0.1 61
Show 20433+6226 BU 471 305 2.0 62
Show 20567+6237 HDS2983 244 0.4 64
Show 20397+6325 DOB 15 91 3.2 64
Show 20533+6209 BUP 219 BC 289 61.6 69
Show 20533+6209 BUP 219 AB 307 102.9 71
Show 20533+6209 CSN 13 AD 89 10.6 71
Show 20405+6220 KPP4211 113 1.9 79
Show 21006+6329 BVD 337 77 8.4 80
Show 20510+6154 STI1000 164 15.8 81
Show 20371+6324 DOB 14 239 4.8 82
Show 20380+6348 LDS2455 36 18.0 82
Show 20389+6405 ES 1918 288 3.3 86
Show 20453+6150 BU 1493 103 42.4 87
Show 20535+6152 LDS1477 251 3.7 88
Show 21019+6347 TDT2703 249 0.5 93
Show 20350+6329 TOI1287 346 0.1 96
Show 20366+6226 H 4 78 128 28.5 98
Show 20445+6136 HDS2952 345 0.2 102
Show 20351+6233 TDT2397 87 1.9 103
Show 20580+6149 STI1005 140 10.2 104
Show 20434+6454 STI 992 53 4.9 108
Show 20414+6138 BVD 336 344 23.3 109
Show 20521+6127 HU 762 178 1.6 109
Show 20598+6152 BU 472 14 0.8 110
Show 21021+6207 LDS4863 95 25.7 112
Show 20568+6134 STF2740 AB 331 4.1 114
Show 20363+6148 TDT2409 258 0.4 123
Show 20353+6437 TDT2398 190 0.5 124
Show 21061+6232 BVD 338 337 49.1 124
Show 21076+6304 MLR 14 336 1.5 126
Show 20576+6121 STF3133 101 3.3 127
Show 20317+6228 BU 671 316 0.4 128
Show 20411+6116 SMA 119 355 14.0 130
Show 21003+6130 HJ 1607 AB 73 15.7 130
Show 21003+6130 HJ 1607 AC 329 30.5 130
Show 21003+6130 HJ 1607 AD 343 87.6 130
Show 21055+6210 HU 765 BC 28 0.8 130
Show 21055+6210 STF2764 A,BC 298 6.9 130
Show 20464+6102 MLB 141 283 3.7 134
Show 20354+6454 OSO 127 AB 27 6.5 135

 
 
WDS 20490+6313 : COMPONENTS
 
 
  A
B pa=8.1°
sep=4.98"
 
 
20490+6313 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204902.64+631252.6 Mag 9.58 Spectral class F8 (yellow-white)
PmRA 1.00 PmDE -14.0 Tycho2 4250-00956-1 ADS 14344
DM BD+62 1861
Tycho2
Tycho2 4250-00956-1 Pflag RAmdeg 312.26100893 DEmdeg 63.21461497
PmRA -1.3 PmDE -10.7 E RAmdeg 14 E DEmdeg 14
E pmRA 2.4 E pmDE 2.3 EpRAm 1991.28 EpDEm 1991.33
Num 4 Q RAmdeg 0.6 Q DEmdeg 2.5 Q pmRA 0.6
Q pmDE 2.5 BTmag 10.052 E BTmag 0.026 VTmag 9.580
E VTmag 0.022 Prox 999 TYC T HIP
CCDM RAdeg 312.26101556 DEdeg 63.21463972 EpRA 1990 1.65
EpDE 1990 1.73 E RAdeg 14.1 E DEdeg 14.1 Posflg
Corr 0.0
CCDM
Ccdm 20490+6313 RComp Comp A Note1
Note2 Discov num DRAs 2.52 DDEs -7.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp F8 PmNote *
PmRA -7 PmDE -17 Dm number +62 1861 Cat1 BD
Name2 +63 1137 Cat2 AGK2/3 HD M HD
ADS BDS A14344 M ADS BDS N IDS IDS 20472N6251A
HIC
 
 
20490+6313 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204902.74+631257.5 Mag 12.3 Calc delta mag 2.72
Calc coord yes
CCDM
Ccdm 20490+6313 RComp Comp B Note1
Note2 Discov num ES 1855 DRAs DDEs
R dRAs Year 1920 Theta 027 Rho 4.9
Obs 1 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14344 M ADS BDS N IDS IDS 20472N6251B
HIC