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Current system
20429+4311
ES 1446
HD 197559


Nearby doubles
12' : 20437+4318
ES 1447

19' : 20413+4314
BRT2270

26' : 20407+4321
STF2719

30' : 20415+4336
BVD 270

31' : 20449+4332
ES 1448

36' : 20425+4235
GRV 369

37' : 20452+4337
ES 1449

40' : 20393+4315
DAM 217

40' : 20455+4338
A 611

40' : 20394+4318
COU2539

42' : 20405+4343
COU2540

42' : 20416+4350
ES 1445

44' : 20404+4345
GII 99

46' : 20408+4231
CBL 84

50' : 20474+4314
TDT2539

52' : 20470+4335
GRV 380AB

57' : 20461+4353
GRV 378

60' : 20473+4345
COU2425

61' : 20399+4221
FMR 159

63' : 20400+4405
KPP2366

64' : 20476+4347
CHN 28

66' : 20472+4225
STT 414AB

67' : 20396+4215
GNS 11

68' : 20442+4206
ES 1572

69' : 20461+4410
BRT2275

69' : 20417+4202
ES 1570



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.

20429+4311 ES 1446 (HD 197559)

 
 
20h 42m 54.24s +43° 10' 38.7" P.A. 134.00 sep 4.5 mag 8.46,11.40 Sp A dist. 420.17 pc (1370.59 l.y.)
 
 
Coord 2000 20429+4311 Discov num ES 1446 Comp Coord arcsec 2000 20 42 54.24 +43 10 38.7
Date first 1915 Date last 2016 Obs 5
Pa first 131 Pa last 133.7 P.A. Now (θ) 133.7°
Sep first 4.5 Sep last 4.481 Sep. Now (ρ) 4.481"
Mag pri 8.46 Mag sec 11.40 delta mag (ΔM) 2.94 Spectral class A (white)
Pri motion ra -002 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197559 Constellation Cygnus SAO 49970 HIP 102232
Tycho2 3178-00699-1 Gaia DR2 2066583820109003904 HD 197559 BD BD+42 3839
Distance 420.17 Distance ly 1370.59
 
 
WDS 20429+4311 ES 1446 (HD 197559) : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20429+4311 ES 1446 1998 3 133 4.2 8.60 11.40 A D 204254.24+431038.7
20429+4311 ES 1446 2015 4 134 4.5 8.46 11.40 A 204254.24+431038.7
20429+4311 ES 1446 2016 5 134 4.5 8.46 11.40 A 204254.24+431038.7

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

 
 
WDS 20429+4311 ES 1446 (HD 197559) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20429+4311 ES 1446 (HD 197559) : MEASURES
 
 
No records found.

 
 
WDS 20429+4311 (HD 197559) : VIRTUAL EYEPIECE
 
 

20429+4311 ES 1446A mag 8.46 Sp A 20429+4311 ES 1446B sep 3.9 P.A. 142.70 mag 11.4 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 20429+4311 (HD 197559) : ALADIN DSS IMAGE @ 20h 42m 54.24s +43° 10' 38.7"
 
 
 
 
WDS 20429+4311 ES 1446 (HD 197559) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20429+4311 ES 1446 distance=0' 20437+4318 ES 1447 distance=12' 20413+4314 BRT2270 distance=19' 20407+4321 STF2719 distance=26' 20415+4336 BVD 270 distance=30' 20449+4332 ES 1448 distance=31' 20425+4235 GRV 369 distance=36' 20452+4337 ES 1449 distance=37' 20393+4315 DAM 217 distance=40' 20455+4338 A 611 distance=40' 20394+4318 COU2539 distance=40' 20405+4343 COU2540 distance=42' 20416+4350 ES 1445 distance=42' 20404+4345 GII 99 distance=44' 20408+4231 CBL 84 distance=46' 20474+4314 TDT2539 distance=50' 20470+4335 GRV 380AB distance=52' 20470+4335 GRV 380AC distance=52' 20461+4353 GRV 378 distance=57' 20473+4345 COU2425 distance=60' 20399+4221 FMR 159 distance=61' 20400+4405 KPP2366 distance=63' 20476+4347 CHN 28 distance=64' 20472+4225 STT 414AB distance=66' 20472+4225 BOT 4AC distance=66' 20396+4215 GNS 11 distance=67' 20442+4206 ES 1572 distance=68' 20461+4410 BRT2275 distance=69' 20417+4202 ES 1570 distance=69' 20375+4233 A 398 distance=71' 20416+4424 COU2541 distance=76' 20449+4425 ES 1332 distance=78' 20396+4202 A 399 distance=79' 20432+4431 COU2422 distance=81' 20477+4204 BU 268 distance=85' 20353+4251 A 397AB distance=86' 20353+4251 A 397AB,C distance=86' 20479+4204 ES 1573 distance=87' 20472+4427 COU2424 distance=91' 20373+4417 TDT2429 distance=91' 20348+4334 ES 1444AB distance=92' 20348+4334 ES 1444AC distance=92' 20508+4238 LDS2457 distance=92' 20501+4404 STT 595AB distance=95' 20501+4404 STG 9AC distance=95' 20501+4404 FYM 92AD distance=95' 20501+4404 FYM 92AE distance=95' 20501+4404 FYM 92AF distance=95' 20517+4317 LDS2461 distance=96' 20342+4327 A 396AB distance=97' 20342+4327 A 396AC 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 20429+4311 ES 1446 134 4.5
Show 20437+4318 ES 1447 308 2.4 12
Show 20413+4314 BRT2270 207 4.4 19
Show 20407+4321 STF2719 142 14.2 26
Show 20415+4336 BVD 270 76 26.0 30
Show 20449+4332 ES 1448 142 2.0 31
Show 20425+4235 GRV 369 26 24.8 36
Show 20452+4337 ES 1449 57 6.7 37
Show 20393+4315 DAM 217 281 9.7 40
Show 20455+4338 A 611 176 0.3 40
Show 20394+4318 COU2539 64 0.4 40
Show 20405+4343 COU2540 117 0.4 42
Show 20416+4350 ES 1445 180 6.2 42
Show 20404+4345 GII 99 220 3.6 44
Show 20408+4231 CBL 84 160 16.0 46
Show 20474+4314 TDT2539 77 0.5 50
Show 20470+4335 GRV 380 AB 16 21.4 52
Show 20470+4335 GRV 380 AC 312 44.6 52
Show 20461+4353 GRV 378 135 35.3 57
Show 20473+4345 COU2425 58 0.2 60
Show 20399+4221 FMR 159 76 135.7 61
Show 20400+4405 KPP2366 145 20.3 63
Show 20476+4347 CHN 28 57 5.0 64
Show 20472+4225 STT 414 AB 95 9.9 66
Show 20472+4225 BOT 4 AC 16 104.9 66
Show 20396+4215 GNS 11 182 3.7 67
Show 20442+4206 ES 1572 141 5.8 68
Show 20461+4410 BRT2275 10 2.8 69
Show 20417+4202 ES 1570 118 4.7 69
Show 20375+4233 A 398 22 1.7 71
Show 20416+4424 COU2541 25 0.4 76
Show 20449+4425 ES 1332 325 7.0 78
Show 20396+4202 A 399 82 0.9 79
Show 20432+4431 COU2422 236 1.3 81
Show 20477+4204 BU 268 201 0.4 85
Show 20353+4251 A 397 AB 182 1.3 86
Show 20353+4251 A 397 AB,C 302 53.7 86
Show 20479+4204 ES 1573 39 5.0 87
Show 20472+4427 COU2424 255 0.5 91
Show 20373+4417 TDT2429 84 0.5 91
Show 20348+4334 ES 1444 AB 80 4.9 92
Show 20348+4334 ES 1444 AC 95 15.2 92
Show 20508+4238 LDS2457 106 5.1 92
Show 20501+4404 STT 595 AB 48 55.4 95
Show 20501+4404 STG 9 AC 83 102.7 95
Show 20501+4404 FYM 92 AD 242 51.8 95
Show 20501+4404 FYM 92 AE 190 35.2 95
Show 20501+4404 FYM 92 AF 80 46.9 95
Show 20517+4317 LDS2461 217 32.6 96
Show 20342+4327 A 396 AB 140 1.7 97
Show 20342+4327 A 396 AC 115 34.2 97

 
 
WDS 20429+4311 : COMPONENTS
 
 
  A
B pa=142.7°
sep=3.89"
 
 
20429+4311 A
 
 
Componente originario normalizzato AB Name HD 197559 Coord arcsec 2000 204254.24+431038.7 Mag 8.46
Spectral class A (white) PmRA -2.00 PmDE 1.0 SAO 49970
HIP 102232 Tycho2 3178-00699-1 HD 197559 BD BD+42 3839
Tycho2
Tycho2 3178-00699-1 Pflag RAmdeg 310.72601079 DEmdeg 43.17741785
PmRA 0.1 PmDE 1.5 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.13 EpDEm 1991.27
Num 7 Q RAmdeg 1.3 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 8.422 E BTmag 0.016 VTmag 8.463
E VTmag 0.013 Prox 999 TYC T HIP 102232
CCDM RAdeg 310.72601000 DEdeg 43.17741444 EpRA 1990 1.56
EpDE 1990 1.70 E RAdeg 6.2 E DEdeg 6.0 Posflg
Corr 0.0
SAO
SAO 49970 DelFlag RA1950 PmRA1950 -0.0029
DE1950 PmDE1950 0.003 Vmag 8.6 SpType A
Double code Source 4 CatNum 1910 DM BD+42 3839
DMcomp BDsup HD 197559 M HD 0
GC RA1950rad 5.41546164 DE1950rad 0.75043024 PmRA2000 -0.0026
PmDE2000 0
Hipparcos
Catalog H HIP 102232 Proxy RAhms 20 42 54.24
DEdms +43 10 38.7 Vmag 8.46 VarFlag R Vmag H
RAdeg 310.726 DEdeg 43.1774 AstroRef Plx 2.65
CCDM 20429+4311 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 197559 BD BD+42 3839
CD CP Dm number +42 3839 VIred -0.03
SpType A R SpType Coord arcsec 2000 204254.24+431038.7
Hipparcos 2
HIP 102232 Sn 5 So 0 Nc 1
RArad 5.423192048 DErad 0.7535880156 Plx 2.38 PmRA 0.27
PmDE 2.38 E RArad 0.56 E DErad 0.59 E Plx 0.77
E pmRA 0.7 E pmDE 0.77 Hpmag 8.4488 E Hpmag 0.0013
SHp 0.014 VA 0 BV -0.048 E BV 0.004
VI -0.03
CCDM
Ccdm 20429+4311 RComp Comp A Note1
Note2 Discov num DRAs 0.19 DDEs -20.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A PmNote *
PmRA -13 PmDE 21 Dm number +42 3839 Cat1 BD
Name2 +42 1910 Cat2 AGK2/3 HD 197559 M HD
ADS BDS A14202 M ADS BDS N IDS IDS 20394N4249A
HIC 102232
 
 
20429+4311 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204254.46+431035.6 Mag 11.4 Calc delta mag 2.94
Calc coord yes
CCDM
Ccdm 20429+4311 RComp Comp B Note1
Note2 Discov num ES 1446 DRAs DDEs
R dRAs Year 1915 Theta 131 Rho 4.5
Obs 1 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14202 M ADS BDS N IDS IDS 20394N4249B
HIC 102232