stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21306+4742
ES 824


Nearby doubles
6' : 21303+4740
COU2440

9' : 21308+4752
A 769

15' : 21297+4732
A 767

22' : 21291+4727
TDS1130

26' : 21304+4717
ES 516

30' : 21278+4748
ES 680

31' : 21316+4811
SWN 5

32' : 21288+4809
HJ 1651

35' : 21315+4817
A 771AB

39' : 21282+4713
ES 1171AB

40' : 21314+4821
COU2441

41' : 21332+4816
POP 55

42' : 21323+4821
DJU 7

43' : 21311+4701
CLZ 80

43' : 21345+4725
ES 1172AB

43' : 21338+4811
SWN 6

43' : 21342+4721
BKO 160AB

43' : 21341+4718
HDS3072

44' : 21342+4808
ES 519

45' : 21308+4827
A 770AB

46' : 21263+4732
TDT2966

48' : 21314+4829
ARN 78AB

48' : 21321+4828
COU2442

49' : 21350+4723
ES 1173

50' : 21304+4832
SWN 3

51' : 21346+4813
RAO 462AB



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.

21306+4742 ES 824

 
 
21h 30m 38.04s +47° 42' 53.8" P.A. 353.00 sep 6.0 mag 9.98,10.70 Sp B5V
 
 
Coord 2000 21306+4742 Discov num ES  824 Comp Coord arcsec 2000 21 30 38.04 +47 42 53.8
Date first 1900 Date last 2018 Obs 12
Pa first 4 Pa last 353 P.A. Now (θ) 353°
Sep first 6.6 Sep last 6.038 Sep. Now (ρ) 6.038"
Mag pri 9.98 Mag sec 10.70 delta mag (ΔM) 0.72 Spectral class B5V (blue-white)
Pri motion ra +004 Sec motion ra -006
Pri motion dec +000 Sec motion dec +000
Notes
rPM=1.667
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3594-02709-1 Gaia DR2 1978334096305228800 ADS 15048
 
 
WDS 21306+4742 ES 824 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21306+4742 ES 824 1998 4 355 6.1 9.98 10.70 D 213038.04+474253.8
21306+4742 ES 824 2011 5 354 6.1 9.98 10.70 D 213038.04+474253.8
21306+4742 ES 824 2015 8 353 6.0 9.98 10.70 B5V 213038.04+474253.8
21306+4742 ES 824 2018 9 354 6.0 9.98 10.70 B5V 213038.04+474253.8

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

 
 
WDS 21306+4742 ES 824 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21306+4742 ES 824 : MEASURES
 
 
No records found.

 
 
WDS 21306+4742 : VIRTUAL EYEPIECE
 
 

21306+4742 ES 824A mag 9.98 Sp B5V 21306+4742 ES 824B sep 6.0 P.A. 355.30 mag 10.7 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 21306+4742 : ALADIN DSS IMAGE @ 21h 30m 38.04s +47° 42' 53.8"
 
 
 
 
WDS 21306+4742 ES 824 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21306+4742 ES 824 distance=1' 21303+4740 COU2440 distance=6' 21308+4752 A 769 distance=9' 21297+4732 A 767 distance=15' 21291+4727 TDS1130 distance=22' 21304+4717 ES 516 distance=26' 21278+4748 ES 680 distance=30' 21316+4811 SWN 5 distance=31' 21288+4809 HJ 1651 distance=32' 21315+4817 A 771AB distance=35' 21282+4713 ES 1171AB distance=39' 21282+4713 ES 1171AC distance=39' 21314+4821 COU2441 distance=40' 21332+4816 POP 55 distance=41' 21323+4821 DJU 7 distance=42' 21311+4701 CLZ 80 distance=43' 21345+4725 ES 1172AB distance=43' 21345+4725 ES 1172AC distance=43' 21345+4725 ABH 146AD distance=43' 21345+4725 ABH 146AE distance=43' 21345+4725 ABH 146AF distance=43' 21345+4725 ABH 146AG distance=43' 21345+4725 ABH 146AH distance=43' 21345+4725 ABH 146AI distance=43' 21345+4725 ABH 146AJ distance=43' 21345+4725 ABH 146AK distance=43' 21345+4725 ABH 146AL distance=43' 21338+4811 SWN 6 distance=43' 21342+4721 BKO 160AB distance=43' 21342+4721 BKO 160AC distance=43' 21341+4718 HDS3072 distance=43' 21342+4808 ES 519 distance=44' 21308+4827 A 770AB distance=45' 21308+4827 A 770AB,C distance=45' 21308+4827 A 770AB,D distance=45' 21263+4732 TDT2966 distance=46' 21308+4827 A 770DE distance=47' 21314+4829 ARN 78AB distance=48' 21321+4828 COU2442 distance=48' 21350+4723 ES 1173 distance=49' 21304+4832 SWN 3 distance=50' 21346+4813 RAO 462AB distance=51' 21346+4813 GRV1284AC distance=51' 21327+4829 HJ 1657AB distance=51' 21256+4741 ES 679 distance=51' 21346+4817 SWN 8 distance=54' 21295+4836 SWN 1 distance=55' 21339+4833 YR 3 distance=61' 21361+4814 ES 1174 distance=63' 21346+4654 TDT3038 distance=63' 21254+4818 CRB 7Ca,Cb distance=64' 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 21306+4742 ES 824 353 6.0 1
Show 21303+4740 COU2440 179 0.5 6
Show 21308+4752 A 769 296 0.7 9
Show 21297+4732 A 767 169 1.3 15
Show 21291+4727 TDS1130 176 1.3 22
Show 21304+4717 ES 516 147 3.4 26
Show 21278+4748 ES 680 331 7.6 30
Show 21316+4811 SWN 5 30 5.1 31
Show 21288+4809 HJ 1651 334 11.9 32
Show 21315+4817 A 771 AB 50 0.0 35
Show 21282+4713 ES 1171 AB 197 3.8 39
Show 21282+4713 ES 1171 AC 232 21.5 39
Show 21314+4821 COU2441 304 0.2 40
Show 21332+4816 POP 55 201 4.9 41
Show 21323+4821 DJU 7 98 3.1 42
Show 21311+4701 CLZ 80 346 9.3 43
Show 21345+4725 ES 1172 AB 104 6.4 43
Show 21345+4725 ES 1172 AC 205 16.3 43
Show 21345+4725 ABH 146 AD 170 30.6 43
Show 21345+4725 ABH 146 AE 33 32.6 43
Show 21345+4725 ABH 146 AF 58 49.7 43
Show 21345+4725 ABH 146 AG 104 48.6 43
Show 21345+4725 ABH 146 AH 247 43.1 43
Show 21345+4725 ABH 146 AI 92 119.9 43
Show 21345+4725 ABH 146 AJ 250 107.2 43
Show 21345+4725 ABH 146 AK 246 112.4 43
Show 21345+4725 ABH 146 AL 232 102.7 43
Show 21338+4811 SWN 6 272 6.2 43
Show 21342+4721 BKO 160 AB 195 9.1 43
Show 21342+4721 BKO 160 AC 12 7.5 43
Show 21341+4718 HDS3072 49 0.3 43
Show 21342+4808 ES 519 318 8.2 44
Show 21308+4827 A 770 AB 143 0.1 45
Show 21308+4827 A 770 AB,C 317 1.1 45
Show 21308+4827 A 770 AB,D 15 98.9 45
Show 21263+4732 TDT2966 196 0.8 46
Show 21308+4827 A 770 DE 41 7.2 47
Show 21314+4829 ARN 78 AB 101 50.0 48
Show 21321+4828 COU2442 300 0.2 48
Show 21350+4723 ES 1173 95 3.8 49
Show 21304+4832 SWN 3 142 1.0 50
Show 21346+4813 RAO 462 AB 82 0.8 51
Show 21346+4813 GRV1284 AC 35 12.3 51
Show 21327+4829 HJ 1657 AB 16 23.1 51
Show 21256+4741 ES 679 275 3.6 51
Show 21346+4817 SWN 8 119 7.8 54
Show 21295+4836 SWN 1 2 5.3 55
Show 21339+4833 YR 3 214 0.3 61
Show 21361+4814 ES 1174 254 2.2 63
Show 21346+4654 TDT3038 135 0.6 63
Show 21254+4818 CRB 7 Ca,Cb 110 1.6 64

 
 
WDS 21306+4742 : COMPONENTS
 
 
  A
B pa=355.3°
sep=6.01"
 
 
21306+4742 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213038.04+474253.8 Mag 9.98 Spectral class B5V (blue-white)
PmRA 4.00 PmDE 0.0 Tycho2 3594-02709-1 ADS 15048
DM BD+47 3434
Tycho2
Tycho2 3594-02709-1 Pflag RAmdeg 322.65854990 DEmdeg 47.71494701
PmRA 3.1 PmDE 1.2 E RAmdeg 17 E DEmdeg 15
E pmRA 1.9 E pmDE 1.9 EpRAm 1990.72 EpDEm 1991.00
Num 3 Q RAmdeg 1.3 Q DEmdeg 2.2 Q pmRA 1.3
Q pmDE 2.2 BTmag 10.042 E BTmag 0.025 VTmag 9.984
E VTmag 0.029 Prox 999 TYC T HIP
CCDM RAdeg 322.65853917 DEdeg 47.71494417 EpRA 1990 1.67
EpDE 1990 1.71 E RAdeg 16.5 E DEdeg 15.3 Posflg
Corr 0.0
 
 
21306+4742 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213037.99+474259.8 Mag 10.7 PmRA -6.00
PmDE 0.0 Calc delta mag 0.72 Calc coord yes