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Doubles in session


Current system
21212+4449
ES 1334 AB


Nearby doubles
9' : 21207+4455
GRV 451

16' : 21217+4434
GRV 455

24' : 21202+4509
LDS2510

39' : 21187+4428
LDS2507

40' : 21237+4420
KPP3422

40' : 21205+4528
KRV 9

41' : 21183+4514
TDT2893

43' : 21225+4409
HJ 1640

43' : 21220+4408
HJ 1639

45' : 21227+4408
COU2303

47' : 21169+4456
A 885

50' : 21166+4448
ES 97

55' : 21161+4444
MCN 2

58' : 21223+4353
TDT2930

60' : 21185+4357
TRN 32

63' : 21196+4549
TDS1123AB

63' : 21219+4347
TDT2924

65' : 21189+4351
COU2438

65' : 21246+4355
BRT1149

71' : 21176+4350
COU2301

72' : 21166+4357
BRT1147

74' : 21171+4350
TDT2882

75' : 21148+4518
TDT2855

75' : 21278+4515
ES 1335

75' : 21282+4445
KPP 7

79' : 21139+4438
TDT2839



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.

21212+4449 ES 1334 AB

 
 
21h 21m 11.89s +44° 48' 45.9" P.A. 307.00 sep 5.3 mag 9.66,13.34 Sp A5 dist. 246.91 pc (805.42 l.y.)
 
 
Coord 2000 21212+4449 Discov num ES 1334 Comp AB Coord arcsec 2000 21 21 11.89 +44 48 45.9
Date first 1914 Date last 2015 Obs 12
Pa first 304 Pa last 307.1 P.A. Now (θ) 307.1°
Sep first 5.1 Sep last 5.31 Sep. Now (ρ) 5.31"
Mag pri 9.66 Mag sec 13.34 delta mag (ΔM) 3.68 Spectral class A5 (white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec +002 Sec motion dec +003
Notes W
rPM=0.149 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 105421 Tycho2 3194-00167-1 BD BD+44 3784
Distance 246.91 Distance ly 805.42
 
 
WDS 21212+4449 ES 1334 AB : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
21212+4449 ES 1334 AB 2015 12 307 5.3 9.66 13.34 A5 W 212111.89+444845.9

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

 
 
WDS 21212+4449 ES 1334 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21212+4449 ES 1334 AB : MEASURES
 
 
No records found.

 
 
WDS 21212+4449 : VIRTUAL EYEPIECE
 
 

21212+4449 ES 1334A mag 9.66 Sp A5 21212+4449 ES 1334B sep 4.4 P.A. 316.80 mag 13.34 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 21212+4449 : ALADIN DSS IMAGE @ 21h 21m 11.89s +44° 48' 45.9"
 
 
 
 
WDS 21212+4449 ES 1334 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21212+4449 ES 1334AB distance=0' 21207+4455 GRV 451 distance=9' 21217+4434 GRV 455 distance=16' 21202+4509 LDS2510 distance=24' 21187+4428 LDS2507 distance=39' 21237+4420 KPP3422 distance=40' 21205+4528 KRV 9 distance=40' 21183+4514 TDT2893 distance=41' 21225+4409 HJ 1640 distance=43' 21220+4408 HJ 1639 distance=43' 21227+4408 COU2303 distance=45' 21169+4456 A 885 distance=47' 21166+4448 ES 97 distance=50' 21161+4444 MCN 2 distance=55' 21223+4353 TDT2930 distance=58' 21185+4357 TRN 32 distance=60' 21196+4549 TDS1123AB distance=63' 21219+4347 TDT2924 distance=63' 21189+4351 COU2438 distance=65' 21246+4355 BRT1149 distance=65' 21176+4350 COU2301 distance=71' 21166+4357 BRT1147 distance=72' 21171+4350 TDT2882 distance=74' 21148+4518 TDT2855 distance=75' 21278+4515 ES 1335 distance=75' 21282+4445 KPP 7 distance=75' 21139+4438 TDT2839 distance=79' 21154+4539 TDT2860 distance=79' 21262+4351 TDT2963 distance=80' 21165+4554 HDS3027 distance=83' 21264+4349 HO 159 distance=83' 21136+4433 ES 1333 distance=83' 21249+4336 BRT1150 distance=83' 21202+4325 BRT1148 distance=85' 21291+4455 BU 448 distance=85' 21137+4453 LDS2498 distance=86' 21292+4500 ES 99 distance=86' 21178+4607 TDT2892 distance=87' 21240+4611 SKF1391 distance=88' 21145+4542 COU2436 distance=89' 21293+4512 ES 100AB distance=90' 21293+4512 ES 100AC distance=90' 21192+4320 TDT2899 distance=92' 21139+4400 COU2299 distance=92' 21152+4339 LDS2501 distance=95' 21241+4623 TOI1324 distance=100' 21200+4308 LDS2509 distance=100' 21142+4556 TDT2846 distance=101' 21218+4309 STT 438 distance=101' 21158+4326 TDT2867 distance=102' 21120+4419 TDT2816 distance=103' 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 21212+4449 ES 1334 AB 307 5.3
Show 21207+4455 GRV 451 184 52.1 9
Show 21217+4434 GRV 455 132 28.9 16
Show 21202+4509 LDS2510 345 20.4 24
Show 21187+4428 LDS2507 182 3.0 39
Show 21237+4420 KPP3422 231 17.2 40
Show 21205+4528 KRV 9 123 21.2 40
Show 21183+4514 TDT2893 234 0.6 41
Show 21225+4409 HJ 1640 35 7.4 43
Show 21220+4408 HJ 1639 102 10.7 43
Show 21227+4408 COU2303 269 1.9 45
Show 21169+4456 A 885 153 3.9 47
Show 21166+4448 ES 97 290 7.5 50
Show 21161+4444 MCN 2 303 16.0 55
Show 21223+4353 TDT2930 356 1.8 58
Show 21185+4357 TRN 32 81 3.8 60
Show 21196+4549 TDS1123 AB 63 1.5 63
Show 21219+4347 TDT2924 221 1.0 63
Show 21189+4351 COU2438 254 1.4 65
Show 21246+4355 BRT1149 136 3.2 65
Show 21176+4350 COU2301 69 0.5 71
Show 21166+4357 BRT1147 2.6 72
Show 21171+4350 TDT2882 334 0.6 74
Show 21148+4518 TDT2855 1 0.5 75
Show 21278+4515 ES 1335 287 8.5 75
Show 21282+4445 KPP 7 269 4.0 75
Show 21139+4438 TDT2839 352 1.2 79
Show 21154+4539 TDT2860 243 5.6 79
Show 21262+4351 TDT2963 267 0.5 80
Show 21165+4554 HDS3027 48 0.4 83
Show 21264+4349 HO 159 183 5.5 83
Show 21136+4433 ES 1333 296 1.6 83
Show 21249+4336 BRT1150 60 2.9 83
Show 21202+4325 BRT1148 83 4.1 85
Show 21291+4455 BU 448 -1 2.0 85
Show 21137+4453 LDS2498 316 13.0 86
Show 21292+4500 ES 99 203 4.5 86
Show 21178+4607 TDT2892 156 2.5 87
Show 21240+4611 SKF1391 154 30.5 88
Show 21145+4542 COU2436 266 5.0 89
Show 21293+4512 ES 100 AB 157 4.4 90
Show 21293+4512 ES 100 AC 333 29.9 90
Show 21192+4320 TDT2899 136 0.6 92
Show 21139+4400 COU2299 33 0.4 92
Show 21152+4339 LDS2501 274 11.3 95
Show 21241+4623 TOI1324 194 1.5 100
Show 21200+4308 LDS2509 176 1.9 100
Show 21142+4556 TDT2846 227 0.5 101
Show 21218+4309 STT 438 357 2.2 101
Show 21158+4326 TDT2867 305 0.6 102
Show 21120+4419 TDT2816 89 0.3 103

 
 
WDS 21212+4449 : COMPONENTS
 
 
  A
B pa=316.8°
sep=4.39"
 
 
21212+4449 A
 
 
Coord arcsec 2000 212111.89+444845.9 Mag 9.66 Spectral class A5 (white) PmRA 6.00
PmDE 2.0 HIP 105421 Tycho2 3194-00167-1 BD BD+44 3784
Tycho2
Tycho2 3194-00167-1 Pflag RAmdeg 320.29952774 DEmdeg 44.81275373
PmRA 5.5 PmDE -0.5 E RAmdeg 12 E DEmdeg 14
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.28 EpDEm 1989.46
Num 7 Q RAmdeg 2.3 Q DEmdeg 1.4 Q pmRA 2.3
Q pmDE 1.4 BTmag 9.923 E BTmag 0.025 VTmag 9.660
E VTmag 0.026 Prox 54 TYC T HIP 105421
CCDM A RAdeg 320.29951389 DEdeg 44.81275500 EpRA 1990 1.72
EpDE 1990 1.65 E RAdeg 13.3 E DEdeg 15.4 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 105421 Proxy H RAhms 21 21 11.88
DEdms +44 48 45.9 Vmag 9.66 VarFlag R Vmag H
RAdeg 320.299 DEdeg 44.8128 AstroRef A Plx 2.97
CCDM 21212+4449 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 308 Rho 5.39 HD BD BD+44 3784
CD CP Dm number +44 3784 VIred 0.23
SpType A5 R SpType Coord arcsec 2000 212111.88+444845.9
Hipparcos 2
HIP 105421 Sn 15 So 3 Nc 2
RArad 5.5902810466 DErad 0.7821302129 Plx 4.05 PmRA 5.65
PmDE 4.86 E RArad 0.92 E DErad 0.8 E Plx 1.12
E pmRA 1.18 E pmDE 1.04 Hpmag 9.7238 E Hpmag 0.0017
SHp 0.023 VA 0 BV 0.2 E BV 0.495
VI 0.23
CCDM
Ccdm 21212+4449 RComp Comp A Note1
Note2 Discov num DRAs -0.02 DDEs -12.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp A5 PmNote *
PmRA 22 PmDE 26 Dm number +44 3784 Cat1 BD
Name2 +44 1908 Cat2 AGK2/3 HD M HD
ADS BDS A14902 M ADS BDS N IDS IDS 21175N4423A
HIC 105421
 
 
21212+4449 B
 
 
Coord arcsec 2000 212111.61+444849.1 Mag 13.34 PmRA 6.00 PmDE 3.0
Calc delta mag 3.68 Calc coord yes
CCDM
Ccdm 21212+4449 RComp Comp B Note1
Note2 Discov num ES 1334 DRAs DDEs
R dRAs Year 1914 Theta 304 Rho 5.1
Obs 1 Vmag 14.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14902 M ADS BDS N IDS IDS 21175N4423B
HIC 105421