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Current system
20231+3036
ES 362 BC


Nearby doubles
18' : 20234+3053
ARG 91

21' : 20215+3035
ARY 4AB

23' : 20248+3033
ES 363

24' : 20213+3035
WJD 1

25' : 20219+3017
TDT2209

26' : 20250+3034
HDS2921

30' : 20234+3007
J 1772

32' : 20222+3105
TDT2211

33' : 20225+3004
TDT2216

36' : 20223+3110
BRT1954

36' : 20257+3022
COU1324

39' : 20211+3104
TDT2200

41' : 20242+2958
FMR 87AB

42' : 20222+3115
A 1208

42' : 20217+3112
BRT 279

44' : 20222+3118
RAO 430

48' : 20245+3120
TDT2244

52' : 20223+2946
TDT2213

61' : 20265+3117
TDT2272

61' : 20196+2956
A 1207

62' : 20188+3102
HDS2902

63' : 20240+2935
TDT2237

63' : 20279+3047
RAO 520

66' : 20227+2930
TDT2218

68' : 20269+3121
TDT2280

68' : 20282+3024
HJ 1517



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.

20231+3036 ES 362 BC

 
 
20h 23m 04.95s +30° 35' 43.0" P.A. 270.00 sep 5.1 mag 12.50,14.70
 
 
Coord 2000 20231+3036 Discov num ES  362 Comp BC Coord arcsec 2000 20 23 04.95 +30 35 43.0
Date first 1906 Date last 2016 Obs 9
Pa first 268 Pa last 269.8 P.A. Now (θ) 269.8°
Sep first 4.5 Sep last 5.144 Sep. Now (ρ) 5.144"
Mag pri 12.50 Mag sec 14.70 delta mag (ΔM) 2.2 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20231+3036 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 334254 20 23 06 +30 35 50 ES 362 AB 2015 10 232 10.8 10.18 12.50 2.32
Show 20 23 05 +30 35 43 ES 362 BC 2016 9 270 5.1 12.50 14.70 2.20 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1861391791920262528
 
 
WDS 20231+3036 ES 362 BC : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20231+3036 ES 362 BC 1998 2 270 5.1 12.00 14.20 D 202304.95+303543.0
20231+3036 ES 362 BC 2002 3 270 5.1 12.50 14.70 D 202304.95+303543.0
20231+3036 ES 362 BC 2015 4 270 5.1 12.50 14.70 202304.95+303543.0
20231+3036 ES 362 BC 2016 9 270 5.1 12.50 14.70 202304.95+303543.0

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

 
 
WDS 20231+3036 ES 362 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20231+3036 ES 362 BC : MEASURES
 
 
No records found.

 
 
WDS 20231+3036 : VIRTUAL EYEPIECE
 
 

20231+3036 ES 362A mag 10.18 Sp K2 20231+3036 ES 362B sep 10.7 P.A. 231.80 mag 12.5 20231+3036 ES 362C sep 14.4 P.A. 242.70 mag 14.7 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 20231+3036 : ALADIN DSS IMAGE @ 20h 23m 04.95s +30° 35' 43.0"
 
 
 
 
WDS 20231+3036 ES 362 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20231+3036 ES 362BC distance=0' 20231+3036 ES 362AB distance=1' 20234+3053 ARG 91 distance=18' 20215+3035 ARY 4AB distance=21' 20248+3033 ES 363 distance=23' 20215+3035 BU 1259Ba,Bb distance=23' 20215+3035 BU 1259BC distance=23' 20213+3035 WJD 1 distance=24' 20219+3017 TDT2209 distance=25' 20250+3034 HDS2921 distance=26' 20234+3007 J 1772 distance=30' 20222+3105 TDT2211 distance=32' 20225+3004 TDT2216 distance=33' 20223+3110 BRT1954 distance=36' 20257+3022 COU1324 distance=36' 20211+3104 TDT2200 distance=39' 20242+2958 HDS2916Aa,Ab distance=41' 20242+2958 FMR 87AB distance=41' 20242+2958 FMR 87AC distance=41' 20222+3115 A 1208 distance=42' 20217+3112 BRT 279 distance=42' 20222+3118 RAO 430 distance=44' 20245+3120 TDT2244 distance=48' 20223+2946 TDT2213 distance=52' 20265+3117 TDT2272 distance=61' 20196+2956 A 1207 distance=61' 20188+3102 HDS2902 distance=62' 20240+2935 TDT2237 distance=63' 20279+3047 RAO 520 distance=63' 20227+2930 TDT2218 distance=66' 20269+3121 TDT2280 distance=68' 20282+3024 HJ 1517 distance=68' 20280+3008 BU 62AB distance=70' 20280+3008 BU 62AC distance=70' 20280+3008 BU 62AD distance=70' 20251+3141 ES 2434 distance=71' 20284+3007 OL 75 distance=75' 20244+2923 HO 457AB distance=75' 20244+2923 HO 457AC distance=75' 20282+3124 ES 2435 distance=82' 20280+3128 TDS1074 distance=82' 20286+3118 COU1325 distance=83' 20294+3048 HJ 1521 distance=84' 20179+2945 TDT2149 distance=84' 20251+3159 ES 2433 distance=87' 20291+2956 AG 406 distance=88' 20176+3130 SEI1066 distance=90' 20275+3145 ES 364 distance=90' 20300+3029 STJ 59 distance=91' 20176+3132 TDS1057 distance=91' 20262+3157 KPP3419 distance=91' 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 20231+3036 ES 362 BC 270 5.1
Show 20231+3036 ES 362 AB 232 10.8 1
Show 20234+3053 ARG 91 175 20.8 18
Show 20215+3035 ARY 4 AB 287 134.9 21
Show 20248+3033 ES 363 277 3.1 23
Show 20215+3035 BU 1259 Ba,Bb 191 0.2 23
Show 20215+3035 BU 1259 BC 356 10.3 23
Show 20213+3035 WJD 1 262 8.8 24
Show 20219+3017 TDT2209 51 1.7 25
Show 20250+3034 HDS2921 358 0.8 26
Show 20234+3007 J 1772 98 2.4 30
Show 20222+3105 TDT2211 354 2.4 32
Show 20225+3004 TDT2216 133 0.5 33
Show 20223+3110 BRT1954 278 4.8 36
Show 20257+3022 COU1324 202 3.0 36
Show 20211+3104 TDT2200 55 1.2 39
Show 20242+2958 HDS2916 Aa,Ab 223 0.2 41
Show 20242+2958 FMR 87 AB 50 1.4 41
Show 20242+2958 FMR 87 AC 117 7.8 41
Show 20222+3115 A 1208 161 0.2 42
Show 20217+3112 BRT 279 125 3.8 42
Show 20222+3118 RAO 430 289 2.6 44
Show 20245+3120 TDT2244 281 0.4 48
Show 20223+2946 TDT2213 229 1.0 52
Show 20265+3117 TDT2272 352 2.3 61
Show 20196+2956 A 1207 351 0.6 61
Show 20188+3102 HDS2902 296 1.7 62
Show 20240+2935 TDT2237 155 0.8 63
Show 20279+3047 RAO 520 -1 0.2 63
Show 20227+2930 TDT2218 292 0.4 66
Show 20269+3121 TDT2280 334 0.5 68
Show 20282+3024 HJ 1517 105 13.1 68
Show 20280+3008 BU 62 AB 133 1.2 70
Show 20280+3008 BU 62 AC 179 38.2 70
Show 20280+3008 BU 62 AD 267 46.1 70
Show 20251+3141 ES 2434 287 4.3 71
Show 20284+3007 OL 75 136 1.8 75
Show 20244+2923 HO 457 AB 61 2.0 75
Show 20244+2923 HO 457 AC 268 28.0 75
Show 20282+3124 ES 2435 241 3.4 82
Show 20280+3128 TDS1074 334 1.5 82
Show 20286+3118 COU1325 222 0.2 83
Show 20294+3048 HJ 1521 194 15.4 84
Show 20179+2945 TDT2149 316 0.8 84
Show 20251+3159 ES 2433 267 8.6 87
Show 20291+2956 AG 406 333 8.5 88
Show 20176+3130 SEI1066 312 8.3 90
Show 20275+3145 ES 364 279 7.3 90
Show 20300+3029 STJ 59 219 1.4 91
Show 20176+3132 TDS1057 339 1.7 91
Show 20262+3157 KPP3419 60 17.1 91

 
 
WDS 20231+3036 : COMPONENTS
 
 
  A B
B pa=231.8°
sep=10.68"
 
C pa=242.7°
sep=14.43"
pa=269.8°
sep=4.43"
 
 
20231+3036 A
 
 
Name HD 334254 Coord arcsec 2000 202305.60+303549.6 Mag 10.18 Spectral class K2 (yellow-orange)
PmRA 3.00 PmDE 4.0 Tycho2 2672-01479-1 HD 334254
Tycho2
Tycho2 2672-01479-1 Pflag RAmdeg 305.77333902 DEmdeg 30.59712280
PmRA 2.1 PmDE 4.4 E RAmdeg 28 E DEmdeg 24
E pmRA 2.3 E pmDE 2.2 EpRAm 1989.60 EpDEm 1990.35
Num 4 Q RAmdeg 1.4 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.6 BTmag 11.525 E BTmag 0.062 VTmag 10.182
E VTmag 0.032 Prox 999 TYC T HIP
CCDM RAdeg 305.77333611 DEdeg 30.59711306 EpRA 1990 1.55
EpDE 1990 1.74 E RAdeg 28.9 E DEdeg 23.8 Posflg
Corr 0.1
 
 
20231+3036 B
 
 
Coord arcsec 2000 202304.95+303543.0 Coord calc 202304.95+303543.0 Mag 12.5 PmRA -3.00
PmDE -2.0 Calc delta mag 2.32
 
 
20231+3036 C
 
 
Coord arcsec 2000 202304.61+303543.0 Mag 14.7 Calc delta mag 4.52 Calc coord yes