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Doubles in session


Current system
20416+4350
ES 1445
HD 197374


Nearby doubles
14' : 20415+4336
BVD 270

15' : 20404+4345
GII 99

15' : 20405+4343
COU2540

24' : 20400+4405
KPP2366

31' : 20407+4321
STF2719

35' : 20416+4424
COU2541

37' : 20413+4314
BRT2270

40' : 20449+4332
ES 1448

40' : 20437+4318
ES 1447

41' : 20394+4318
COU2539

42' : 20452+4337
ES 1449

42' : 20429+4311
ES 1446

44' : 20393+4315
DAM 217

44' : 20455+4338
A 611

45' : 20432+4431
COU2422

50' : 20449+4425
ES 1332

50' : 20461+4353
GRV 378

52' : 20461+4410
BRT2275

55' : 20373+4417
TDT2429

59' : 20386+4438
ES 667

61' : 20470+4335
GRV 380AB

63' : 20473+4345
COU2425

66' : 20476+4347
CHN 28

69' : 20433+4456
ES 2699

70' : 20432+4458
BKO 159

72' : 20472+4427
COU2424



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.

20416+4350 ES 1445 (HD 197374)

 
 
20h 41m 37.07s +43° 50' 12.3" P.A. 180.00 sep 6.2 mag 8.34,11.90 Sp B9V dist. 448.43 pc (1462.78 l.y.)
 
 
Coord 2000 20416+4350 Discov num ES 1445 Comp Coord arcsec 2000 20 41 37.07 +43 50 12.3
Date first 1892 Date last 2015 Obs 12
Pa first 176 Pa last 180.2 P.A. Now (θ) 180.2°
Sep first 6.3 Sep last 6.231 Sep. Now (ρ) 6.231"
Mag pri 8.34 Mag sec 11.90 delta mag (ΔM) 3.56 Spectral class B9V (blue-white)
Pri motion ra +004 Sec motion ra +000
Pri motion dec +002 Sec motion dec +000
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197374 Constellation Cygnus HIP 102113 Tycho2 3178-00505-1
Gaia DR2 2069991447163763968 HD 197374 BD BD+43 3687 Distance 448.43
Distance ly 1462.78
 
 
WDS 20416+4350 ES 1445 (HD 197374) : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20416+4350 ES 1445 1998 6 180 6.2 8.34 11.90 B9V D 204137.07+435012.3
20416+4350 ES 1445 2003 7 180 6.1 8.34 11.90 B9V D 204137.07+435012.3
20416+4350 ES 1445 2014 8 181 6.3 8.34 11.90 B9V 204137.07+435012.3
20416+4350 ES 1445 2015 10 180 6.2 8.34 11.90 B9V 204137.07+435012.3

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

 
 
WDS 20416+4350 ES 1445 (HD 197374) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20416+4350 ES 1445 (HD 197374) : MEASURES
 
 
No records found.

 
 
WDS 20416+4350 (HD 197374) : VIRTUAL EYEPIECE
 
 

20416+4350 ES 1445A mag 8.34 Sp B9V 20416+4350 ES 1445B sep 6.2 P.A. 180.10 mag 11.9 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 20416+4350 (HD 197374) : ALADIN DSS IMAGE @ 20h 41m 37.07s +43° 50' 12.3"
 
 
 
 
WDS 20416+4350 ES 1445 (HD 197374) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20416+4350 ES 1445 distance=0' 20415+4336 BVD 270 distance=14' 20404+4345 GII 99 distance=15' 20405+4343 COU2540 distance=15' 20400+4405 KPP2366 distance=24' 20407+4321 STF2719 distance=31' 20416+4424 COU2541 distance=35' 20413+4314 BRT2270 distance=37' 20449+4332 ES 1448 distance=40' 20437+4318 ES 1447 distance=40' 20394+4318 COU2539 distance=41' 20452+4337 ES 1449 distance=42' 20429+4311 ES 1446 distance=42' 20393+4315 DAM 217 distance=44' 20455+4338 A 611 distance=44' 20432+4431 COU2422 distance=45' 20449+4425 ES 1332 distance=50' 20461+4353 GRV 378 distance=50' 20461+4410 BRT2275 distance=52' 20373+4417 TDT2429 distance=55' 20386+4438 ES 667 distance=59' 20470+4335 GRV 380AB distance=61' 20470+4335 GRV 380AC distance=61' 20473+4345 COU2425 distance=63' 20476+4347 CHN 28 distance=66' 20433+4456 ES 2699 distance=69' 20432+4458 BKO 159 distance=70' 20472+4427 COU2424 distance=72' 20474+4314 TDT2539 distance=73' 20434+4501 ES 668AB distance=73' 20434+4501 ES 668AC distance=73' 20434+4501 FYM 322AD distance=73' 20459+4448 ES 2701 distance=75' 20425+4235 GRV 369 distance=76' 20348+4334 ES 1444AB distance=77' 20348+4334 ES 1444AC distance=77' 20461+4452 ES 30 distance=79' 20408+4231 CBL 84 distance=80' 20340+4352 TDT2377 distance=83' 20342+4327 A 396AB distance=84' 20342+4327 A 396AC distance=84' 20342+4327 A 396AD distance=84' 20376+4504 HJ 1555 distance=86' 20436+4514 CBL 85 distance=87' 20414+4517 H N 73 (Deneb) distance=87' 20375+4233 A 398 distance=90' 20427+4521 ES 1270 distance=92' 20353+4251 A 397AB distance=92' 20353+4251 A 397AB,C distance=92' 20399+4221 FMR 159 distance=92' 20501+4404 STT 595AB distance=93' 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 20416+4350 ES 1445 180 6.2
Show 20415+4336 BVD 270 76 26.0 14
Show 20404+4345 GII 99 220 3.6 15
Show 20405+4343 COU2540 117 0.4 15
Show 20400+4405 KPP2366 145 20.3 24
Show 20407+4321 STF2719 142 14.2 31
Show 20416+4424 COU2541 25 0.4 35
Show 20413+4314 BRT2270 207 4.4 37
Show 20449+4332 ES 1448 142 2.0 40
Show 20437+4318 ES 1447 308 2.4 40
Show 20394+4318 COU2539 64 0.4 41
Show 20452+4337 ES 1449 57 6.7 42
Show 20429+4311 ES 1446 134 4.5 42
Show 20393+4315 DAM 217 281 9.7 44
Show 20455+4338 A 611 176 0.3 44
Show 20432+4431 COU2422 236 1.3 45
Show 20449+4425 ES 1332 325 7.0 50
Show 20461+4353 GRV 378 135 35.3 50
Show 20461+4410 BRT2275 10 2.8 52
Show 20373+4417 TDT2429 84 0.5 55
Show 20386+4438 ES 667 185 9.8 59
Show 20470+4335 GRV 380 AB 16 21.4 61
Show 20470+4335 GRV 380 AC 312 44.6 61
Show 20473+4345 COU2425 58 0.2 63
Show 20476+4347 CHN 28 57 5.0 66
Show 20433+4456 ES 2699 296 40.1 69
Show 20432+4458 BKO 159 37 13.2 70
Show 20472+4427 COU2424 255 0.5 72
Show 20474+4314 TDT2539 77 0.5 73
Show 20434+4501 ES 668 AB 68 5.2 73
Show 20434+4501 ES 668 AC 269 23.4 73
Show 20434+4501 FYM 322 AD 200 18.7 73
Show 20459+4448 ES 2701 81 50.9 75
Show 20425+4235 GRV 369 26 24.8 76
Show 20348+4334 ES 1444 AB 80 4.9 77
Show 20348+4334 ES 1444 AC 95 15.2 77
Show 20461+4452 ES 30 57 17.1 79
Show 20408+4231 CBL 84 160 16.0 80
Show 20340+4352 TDT2377 210 0.5 83
Show 20342+4327 A 396 AB 140 1.7 84
Show 20342+4327 A 396 AC 115 34.2 84
Show 20342+4327 A 396 AD 219 33.4 84
Show 20376+4504 HJ 1555 354 13.8 86
Show 20436+4514 CBL 85 166 17.7 87
Show Deneb 20414+4517 H N 73 105 75.6 87
Show 20375+4233 A 398 22 1.7 90
Show 20427+4521 ES 1270 289 5.9 92
Show 20353+4251 A 397 AB 182 1.3 92
Show 20353+4251 A 397 AB,C 302 53.7 92
Show 20399+4221 FMR 159 76 135.7 92
Show 20501+4404 STT 595 AB 48 55.4 93

 
 
WDS 20416+4350 : COMPONENTS
 
 
  A
B pa=180.1°
sep=6.23"
 
 
20416+4350 A
 
 
Componente originario normalizzato AB Name HD 197374 Coord arcsec 2000 204137.07+435012.3 Mag 8.34
Spectral class B9V (blue-white) PmRA 4.00 PmDE 2.0 HIP 102113
Tycho2 3178-00505-1 HD 197374 BD BD+43 3687
Tycho2
Tycho2 3178-00505-1 Pflag RAmdeg 310.40445070 DEmdeg 43.83675958
PmRA 4.7 PmDE 1.2 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.5 EpRAm 1991.47 EpDEm 1991.54
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 8.274 E BTmag 0.015 VTmag 8.339
E VTmag 0.012 Prox 62 TYC T HIP 102113
CCDM A RAdeg 310.40443583 DEdeg 43.83675667 EpRA 1990 1.61
EpDE 1990 1.65 E RAdeg 5.3 E DEdeg 5.1 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 102113 Proxy H RAhms 20 41 37.06
DEdms +43 50 12.3 Vmag 8.36 VarFlag 2 R Vmag G
RAdeg 310.404 DEdeg 43.8368 AstroRef A Plx 2.38
CCDM 20416+4350 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 180 Rho 6.218 HD 197374 BD BD+43 3687
CD CP Dm number +43 3687 VIred -0.06
SpType B9V R SpType Coord arcsec 2000 204137.06+435012.3
Hipparcos 2
HIP 102113 Sn 15 So 3 Nc 2
RArad 5.4175794194 DErad 0.7650957707 Plx 2.23 PmRA 3.57
PmDE -2.45 E RArad 0.54 E DErad 0.55 E Plx 0.68
E pmRA 0.68 E pmDE 0.62 Hpmag 8.3013 E Hpmag 0.0023
SHp 0.022 VA 2 BV -0.088 E BV 0.03
VI -0.06
CCDM
Ccdm 20416+4350 RComp Comp A Note1
Note2 Discov num DRAs 0.76 DDEs 12.3
R dRAs 21 Year Theta Rho
Obs 2 Vmag 8.7 Sp A0 PmNote
PmRA -54 PmDE 0 Dm number +43 3687 Cat1 BD
Name2 Cat2 HD 197374 M HD
ADS BDS A14176 M ADS BDS N IDS IDS 20381N4329A
HIC 102113
 
 
20416+4350 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204137.07+435006.1 Mag 11.9 PmRA 0.00
PmDE 0.0 Calc delta mag 3.56 Calc coord yes
CCDM
Ccdm 20416+4350 RComp Comp B Note1
Note2 Discov num ES 1445 DRAs DDEs
R dRAs Year 1915 Theta 177 Rho 6.1
Obs 1 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14176 M ADS BDS N IDS IDS 20381N4329B
HIC 102113