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Doubles in session


Current system
21449+3145
ES 381


Nearby doubles
8' : 21444+3140
HJ 1686

13' : 21457+3152
J 2356

20' : 21441+3203
J 2355

22' : 21441+3205
J 2354AB

23' : 21431+3149
A 1222

33' : 21455+3113
TDT3141

48' : 21479+3117
HJ 1688

52' : 21469+3229
GYL 65

56' : 21409+3122
AG 275

56' : 21487+3115
HJ 1695

57' : 21422+3100
OSO 154AB

67' : 21501+3151
BU 692AB

68' : 21396+3136
TDT3088

68' : 21487+3231
GRV 508

70' : 21487+3233
GRV 510

72' : 21407+3056
GRV 490

76' : 21412+3043
J 3143

79' : 21451+3026
TDT3136

82' : 21494+3048
GRV 511

83' : 21487+3251
ES 2386

83' : 21456+3307
COU1187

83' : 21494+3045
STF2829

88' : 21385+3217
ES 2319

90' : 21492+3254
ES 2265

90' : 21389+3058
TDT3081

90' : 21378+3143
ES 2359



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.

21449+3145 ES 381

 
 
21h 44m 52.63s +31° 44' 29.9" P.A. 110.00 sep 4.6 mag 9.95,14.80 Sp ApSi
 
 
Coord 2000 21449+3145 Discov num ES  381 Comp Coord arcsec 2000 21 44 52.63 +31 44 29.9
Date first 1906 Date last 2010 Obs 3
Pa first 110 Pa last 109.6 P.A. Now (θ) 109.6°
Sep first 4.9 Sep last 4.59 Sep. Now (ρ) 4.59"
Mag pri 9.95 Mag sec 14.80 delta mag (ΔM) 4.85 Spectral class ApSi (white)
Pri motion ra +006 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2717-01532-1 Gaia DR2 1945997802911609216
 
 
WDS 21449+3145 ES 381 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21449+3145 ES 381 1999 2 110 5.1 9.95 14.80 D 214452.63+314429.9
21449+3145 ES 381 2010 3 110 4.6 9.95 14.80 ApSi 214452.63+314429.9

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

 
 
WDS 21449+3145 ES 381 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21449+3145 ES 381 : MEASURES
 
 
No records found.

 
 
WDS 21449+3145 : VIRTUAL EYEPIECE
 
 

21449+3145 ES 381A mag 9.95 Sp ApSi 21449+3145 ES 381B sep 4.0 P.A. 112.70 mag 14.8 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 21449+3145 : ALADIN DSS IMAGE @ 21h 44m 52.63s +31° 44' 29.9"
 
 
 
 
WDS 21449+3145 ES 381 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21449+3145 ES 381 distance=0' 21444+3140 HJ 1686 distance=8' 21457+3152 J 2356 distance=13' 21441+3203 J 2355 distance=20' 21441+3205 DAM 235BC distance=22' 21441+3205 J 2354AB distance=22' 21431+3149 A 1222 distance=23' 21455+3113 TDT3141 distance=33' 21479+3117 HJ 1688 distance=48' 21469+3229 GYL 65 distance=52' 21409+3122 AG 275 distance=56' 21487+3115 HJ 1695 distance=56' 21422+3100 OSO 154AB distance=57' 21422+3100 OSO 154AC distance=57' 21422+3100 OSO 154AD distance=57' 21422+3100 OSO 154AE distance=57' 21501+3151 BU 692AB distance=67' 21501+3151 FOX 264AD distance=67' 21501+3151 FOX 264AE distance=67' 21501+3151 BU 692AC distance=67' 21501+3151 BU 692BC distance=67' 21396+3136 TDT3088 distance=68' 21487+3231 GRV 508 distance=68' 21487+3233 GRV 510 distance=70' 21407+3056 GRV 490 distance=72' 21412+3043 J 3143 distance=76' 21451+3026 TDT3136 distance=79' 21494+3048 GRV 511 distance=82' 21487+3251 ES 2386 distance=83' 21456+3307 COU1187 distance=83' 21494+3045 STF2829 distance=83' 21385+3217 ES 2319 distance=88' 21492+3254 ES 2265 distance=90' 21389+3058 TDT3081 distance=90' 21378+3143 ES 2359 distance=90' 21479+3306 OSO 157AB distance=91' 21479+3306 OSO 157AC distance=91' 21479+3306 OSO 157AD distance=91' 21479+3306 OSO 157AE distance=91' 21479+3306 OSO 157AF distance=91' 21392+3241 ES 2320BC distance=93' 21392+3241 ES 2320AB distance=93' 21429+3014 TDT3119 distance=94' 21509+3240 FYM 143CD distance=95' 21509+3240 FYM 143CE distance=95' 21509+3240 FYM 143CF distance=95' 21509+3240 ES 382AB distance=95' 21509+3240 ES 382AC distance=95' 21509+3240 FYM 143AF distance=95' 21449+3322 ES 2385AB distance=97' 21449+3322 ES 2385AC distance=97' 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 21449+3145 ES 381 110 4.6
Show 21444+3140 HJ 1686 229 13.7 8
Show 21457+3152 J 2356 135 6.3 13
Show 21441+3203 J 2355 346 3.5 20
Show 21441+3205 DAM 235 BC 206 6.5 22
Show 21441+3205 J 2354 AB 199 4.9 22
Show 21431+3149 A 1222 352 0.7 23
Show 21455+3113 TDT3141 358 2.5 33
Show 21479+3117 HJ 1688 351 16.4 48
Show 21469+3229 GYL 65 30 66.0 52
Show 21409+3122 AG 275 13 10.9 56
Show 21487+3115 HJ 1695 115 13.3 56
Show 21422+3100 OSO 154 AB 25 15.3 57
Show 21422+3100 OSO 154 AC 239 15.8 57
Show 21422+3100 OSO 154 AD 166 16.4 57
Show 21422+3100 OSO 154 AE 108 19.6 57
Show 21501+3151 BU 692 AB 10 2.9 67
Show 21501+3151 FOX 264 AD 150 40.2 67
Show 21501+3151 FOX 264 AE 178 54.5 67
Show 21501+3151 BU 692 AC 292 40.9 67
Show 21501+3151 BU 692 BC 292 40.8 67
Show 21396+3136 TDT3088 149 2.9 68
Show 21487+3231 GRV 508 8 48.6 68
Show 21487+3233 GRV 510 98 26.5 70
Show 21407+3056 GRV 490 328 31.7 72
Show 21412+3043 J 3143 262 6.6 76
Show 21451+3026 TDT3136 0.8 79
Show 21494+3048 GRV 511 228 40.4 82
Show 21487+3251 ES 2386 232 4.8 83
Show 21456+3307 COU1187 267 5.1 83
Show 21494+3045 STF2829 15 17.1 83
Show 21385+3217 ES 2319 58 2.9 88
Show 21492+3254 ES 2265 25 3.4 90
Show 21389+3058 TDT3081 114 0.8 90
Show 21378+3143 ES 2359 83 2.7 90
Show 21479+3306 OSO 157 AB 352 5.3 91
Show 21479+3306 OSO 157 AC 72 11.6 91
Show 21479+3306 OSO 157 AD 29 13.9 91
Show 21479+3306 OSO 157 AE 322 21.6 91
Show 21479+3306 OSO 157 AF 123 16.2 91
Show 21392+3241 ES 2320 BC 323 3.3 93
Show 21392+3241 ES 2320 AB 188 12.1 93
Show 21429+3014 TDT3119 157 2.7 94
Show 21509+3240 FYM 143 CD 90 46.9 95
Show 21509+3240 FYM 143 CE 112 45.1 95
Show 21509+3240 FYM 143 CF 160 36.3 95
Show 21509+3240 ES 382 AB 310 9.9 95
Show 21509+3240 ES 382 AC 322 58.1 95
Show 21509+3240 FYM 143 AF 298 26.0 95
Show 21449+3322 ES 2385 AB 271 5.2 97
Show 21449+3322 ES 2385 AC 358 26.7 97

 
 
WDS 21449+3145 : COMPONENTS
 
 
  A
B pa=112.7°
sep=3.99"
 
 
21449+3145 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214452.63+314429.9 Mag 9.95 Spectral class ApSi (white)
PmRA 6.00 PmDE 2.0 Tycho2 2717-01532-1
Tycho2
Tycho2 2717-01532-1 Pflag RAmdeg 326.21933271 DEmdeg 31.74166161
PmRA -3.1 PmDE -2.8 E RAmdeg 11 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.80 EpDEm 1989.89
Num 10 Q RAmdeg 2.0 Q DEmdeg 1.6 Q pmRA 2.0
Q pmDE 1.6 BTmag 9.894 E BTmag 0.020 VTmag 9.949
E VTmag 0.023 Prox 572 TYC T HIP
CCDM RAdeg 326.21933833 DEdeg 31.74166861 EpRA 1990 1.56
EpDE 1990 1.71 E RAdeg 11.0 E DEdeg 11.0 Posflg
Corr 0.2
CCDM
Ccdm 21449+3145 RComp Comp A Note1
Note2 Discov num DRAs -1.32 DDEs -29.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp PmNote *
PmRA 16 PmDE 8 Dm number +31 4539 Cat1 BD
Name2 +31 2233 Cat2 AGK2/3 HD M HD
ADS BDS A15287 M ADS BDS N IDS IDS 21405N3116A
HIC
 
 
21449+3145 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214452.92+314428.4 Mag 14.8 Calc delta mag 4.85
Calc coord yes
CCDM
Ccdm 21449+3145 RComp Comp B Note1
Note2 Discov num ES 381 DRAs DDEs
R dRAs Year 1906 Theta 110 Rho 4.9
Obs 1 Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15287 M ADS BDS N IDS IDS 21405N3116B
HIC