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Doubles in session


Current system
21390+2826
ES 520


Nearby doubles
45' : 21379+2743
MLB1093AB

51' : 21353+2812
CHR 103

52' : 21399+2737
HDS3083

52' : 21423+2800
GRV 494

52' : 21418+2901
MLB 492

58' : 21416+2911
GRV 493

61' : 21420+2741
RAO 465AB

61' : 21410+2920
STT 448

63' : 21363+2917
BRT 56

64' : 21401+2928
BRT 57

65' : 21346+2856
J 2352

67' : 21386+2720
KPP 497

68' : 21342+2804
NSN 66AB

68' : 21356+2918
GRV 481

70' : 21420+2924
MLB 539

71' : 21441+2845
STF2822AB

73' : 21444+2824
KPP3373

75' : 21396+2712
GRV 489

75' : 21439+2751
HO 166

80' : 21361+2716
MLB 620

84' : 21454+2819
J 3145

86' : 21331+2751
UC 4494

86' : 21435+2725
BKO 631

88' : 21384+2953
MLB 491

90' : 21435+2721
A 299AB

91' : 21368+2701
MLB 621



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.

21390+2826 ES 520

 
 
21h 38m 58.86s +28° 26' 29.9" P.A. 36.00 sep 9.3 mag 11.20,11.70 Sp G0
 
 
Coord 2000 21390+2826 Discov num ES  520 Comp Coord arcsec 2000 21 38 58.86 +28 26 29.9
Date first 1898 Date last 2014 Obs 15
Pa first 42 Pa last 35.9 P.A. Now (θ) 35.9°
Sep first 6.8 Sep last 9.271 Sep. Now (ρ) 9.271"
Mag pri 11.20 Mag sec 11.70 delta mag (ΔM) 0.5 Spectral class G0 (yellow)
Pri motion ra -004 Sec motion ra +020
Pri motion dec -015 Sec motion dec +010
Notes
rPM=1.55
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus
 
 
WDS 21390+2826 ES 520 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21390+2826 ES 520 1997 8 36 8.8 11.20 11.70 G0 D 213858.86+282629.9
21390+2826 ES 520 2002 10 36 9.0 11.20 11.70 G0 D 213858.86+282629.9
21390+2826 ES 520 2013 11 36 9.3 11.20 11.70 G0 D 213858.86+282629.9
21390+2826 ES 520 2014 15 36 9.3 11.20 11.70 G0 213858.86+282629.9

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

 
 
WDS 21390+2826 ES 520 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21390+2826 ES 520 : MEASURES
 
 
No records found.

 
 
WDS 21390+2826 : VIRTUAL EYEPIECE
 
 

21390+2826 ES 520A mag 11.2 Sp G0 21390+2826 ES 520B sep 8.9 P.A. 32.50 mag 11.7 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 21390+2826 : ALADIN DSS IMAGE @ 21h 38m 58.86s +28° 26' 29.9"
 
 
 
 
WDS 21390+2826 ES 520 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21390+2826 ES 520 distance=0' 21379+2743 HDS3080Aa,Ab distance=45' 21379+2743 MLB1093AB distance=45' 21379+2743 SKF 245AC distance=45' 21353+2812 CHR 103 distance=51' 21399+2737 HDS3083 distance=52' 21423+2800 GRV 494 distance=52' 21418+2901 MLB 492 distance=52' 21416+2911 GRV 493 distance=58' 21420+2741 RAO 465Aa,Ab distance=61' 21420+2741 RAO 465AB distance=61' 21410+2920 STT 448 distance=61' 21363+2917 BRT 56 distance=63' 21401+2928 BRT 57 distance=64' 21346+2856 J 2352 distance=65' 21386+2720 KPP 497 distance=67' 21342+2804 NSN 66AB distance=68' 21356+2918 GRV 481 distance=68' 21420+2924 MLB 539 distance=70' 21441+2845 STF2822BD distance=71' 21441+2845 STF2822AB distance=71' 21441+2845 STF2822AC distance=71' 21441+2845 STF2822AD distance=71' 21441+2845 FYM 25AF distance=71' 21441+2845 FYM 25AG distance=71' 21444+2824 KPP3373 distance=73' 21441+2845 ES 521DE distance=74' 21441+2845 FYM 25DG distance=74' 21396+2712 GRV 489 distance=75' 21439+2751 HO 166 distance=75' 21361+2716 MLB 620 distance=80' 21454+2819 J 3145 distance=84' 21331+2751 UC 4494 distance=86' 21435+2725 BKO 631 distance=86' 21384+2953 MLB 491 distance=88' 21435+2721 A 299AB distance=90' 21435+2721 A 299AD distance=90' 21435+2721 A 299BC distance=90' 21368+2701 MLB 621 distance=91' 21435+2721 OSO 155DG distance=92' 21435+2721 A 299DE distance=92' 21435+2721 A 299DF distance=92' 21383+2958 HJ 1670 distance=93' 21320+2814 TDT3012 distance=93' 21462+2817 MLB 540AB distance=94' 21462+2817 MLB 540AC distance=94' 21462+2817 ABH 152AD distance=94' 21462+2817 ABH 152AE distance=94' 21420+2951 MLB 720 distance=94' 21412+2955 GRV 491 distance=94' 21452+2914 UC 4550 distance=95' 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 21390+2826 ES 520 36 9.3
Show 21379+2743 HDS3080 Aa,Ab 109 0.2 45
Show 21379+2743 MLB1093 AB 268 26.7 45
Show 21379+2743 SKF 245 AC 16 3.3 45
Show 21353+2812 CHR 103 110 0.2 51
Show 21399+2737 HDS3083 337 0.2 52
Show 21423+2800 GRV 494 323 62.9 52
Show 21418+2901 MLB 492 114 7.0 52
Show 21416+2911 GRV 493 184 44.7 58
Show 21420+2741 RAO 465 Aa,Ab 128 0.3 61
Show 21420+2741 RAO 465 AB 303 2.6 61
Show 21410+2920 STT 448 31 0.1 61
Show 21363+2917 BRT 56 306 3.2 63
Show 21401+2928 BRT 57 137 5.0 64
Show 21346+2856 J 2352 247 6.4 65
Show 21386+2720 KPP 497 205 4.6 67
Show 21342+2804 NSN 66 AB 275 4.0 68
Show 21356+2918 GRV 481 184 64.0 68
Show 21420+2924 MLB 539 171 4.8 70
Show 21441+2845 STF2822 BD 45 196.7 71
Show 21441+2845 STF2822 AB 325 1.6 71
Show 21441+2845 STF2822 AC 292 76.6 71
Show 21441+2845 STF2822 AD 43 197.0 71
Show 21441+2845 FYM 25 AF 72 111.5 71
Show 21441+2845 FYM 25 AG 73 168.1 71
Show 21444+2824 KPP3373 242 2.1 73
Show 21441+2845 ES 521 DE 286 17.5 74
Show 21441+2845 FYM 25 DG 164 89.6 74
Show 21396+2712 GRV 489 229 51.9 75
Show 21439+2751 HO 166 233 0.2 75
Show 21361+2716 MLB 620 242 7.5 80
Show 21454+2819 J 3145 112 5.4 84
Show 21331+2751 UC 4494 264 26.9 86
Show 21435+2725 BKO 631 26 5.9 86
Show 21384+2953 MLB 491 34 4.8 88
Show 21435+2721 A 299 AB 67 1.1 90
Show 21435+2721 A 299 AD 64 374.5 90
Show 21435+2721 A 299 BC 325 0.1 90
Show 21368+2701 MLB 621 44 3.2 91
Show 21435+2721 OSO 155 DG 304 6.1 92
Show 21435+2721 A 299 DE 95 999.9 92
Show 21435+2721 A 299 DF 26 145.8 92
Show 21383+2958 HJ 1670 78 11.7 93
Show 21320+2814 TDT3012 210 2.1 93
Show 21462+2817 MLB 540 AB 256 4.1 94
Show 21462+2817 MLB 540 AC 322 8.7 94
Show 21462+2817 ABH 152 AD 68 41.8 94
Show 21462+2817 ABH 152 AE 96 80.1 94
Show 21420+2951 MLB 720 140 7.2 94
Show 21412+2955 GRV 491 21 31.4 94
Show 21452+2914 UC 4550 15 42.5 95

 
 
WDS 21390+2826 : COMPONENTS
 
 
  A
B pa=32.5°
sep=8.90"
 
 
21390+2826 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213858.86+282629.9 Mag 11.2 Spectral class G0 (yellow)
PmRA -4.00 PmDE -15.0
 
 
21390+2826 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213859.22+282637.4 Mag 11.7 PmRA 20.00
PmDE 10.0 Calc delta mag 0.5 Calc coord yes