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Current system
20339+3515
WRH 34 AB


Nearby doubles
7' : 20344+3513
J 1143

9' : 20344+3510
TDT2383

12' : 20340+3505
SEI1169

14' : 20329+3515
ES 2306

20' : 20353+3525
ES 2250

20' : 20355+3510
POP 6

21' : 20355+3509
POP 7

22' : 20356+3510
STF2702

22' : 20355+3507
SEI1183

24' : 20337+3452
TDT2373

26' : 20318+3517
SEI1152

27' : 20346+3541
TDT2386

28' : 20315+3517
CRB 135

31' : 20359+3458
J 793

32' : 20355+3450
ES 2307

35' : 20340+3441
STT 408

41' : 20309+3459
SEI1145

43' : 20306+3525
COU1961

44' : 20322+3552
GRV 350

47' : 20306+3452
ES 2305

48' : 20305+3454
ES 2304

48' : 20356+3432
J 792

49' : 20321+3558
COU2133AB

49' : 20305+3540
SEI1142

49' : 20373+3541
ES 2251

49' : 20356+3559
TDT2401



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20339+3515 WRH 34 AB

 
 
20h 33m 54.19s +35° 15' 03.1" P.A. 278.00 sep 0.3 mag 4.84,7.30 Sp K2Ib+B3V dist. 847.46 pc (2764.41 l.y.)
 
 
Coord 2000 20339+3515 Discov num WRH  34 Comp AB Coord arcsec 2000 20 33 54.19 +35 15 03.1
Date first 1949 Date last 1998 Obs 27
Pa first 274 Pa last 278.4 P.A. Now (θ) 278.4°
Sep first 0.1 Sep last 0.282 Sep. Now (ρ) 0.282"
Mag pri 4.84 Mag sec 7.30 delta mag (ΔM) 2.46 Spectral class K2Ib+B3V (yellow-orange/blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20339+3515 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 70203 20 33 54 +35 15 03 WRH 34 AB 1998 27 278 0.3 4.84 7.30 2.46 <===
Show 47 Cyg 70203 20 33 54 +35 15 03 BU 1490 AC 2013 12 210 115.1 4.82 11.87 7.05
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70203 HIP 101474 Tycho2 2694-02168-1
Gaia DR2 2056616231818264064 HD 196093 HR 7866 GC 28630
BD BD+34 4079 Flamsteed 47 Cygni Flamsteed name 47 Cyg Distance 847.46
Distance ly 2764.41
 
 
WDS 20339+3515 WRH 34 AB : NOTES
 
 
discov_num notes refcode
WRH 34 AB: 47 Cyg.
Absolute quadrant determined in 1998.657 by triple-correlation
techniques Pru2002b
NPOI Limb-darkened diameter 4.472 +/- 0.017 mas, Sp = K4I, NOI2018
Teff = 3671 +/-304 K, M = 4.49 +/- 0.66 \msun,
Age = 0.15 +/- 0.06 Gyr.
 
 
REFERENCES
 
 
refcode metd author reference
NOI2018 not j Baines, E.K., Armstrong, J.T., Schmitt, H.R., Zavala, R.T., Benson, J.A., Hutter, 2018AJ....155...30B
NOI2018 D.J., Tycner, C. & van Belle, G.T.
NOI2018 AJ 155, 30, 2018
Pru2002b S j Prieur, J.-L., Koechlin, L., Ginestet, N., Carquillat, J.-M., Aristidi, E., 2002ApJS..142...95P
Pru2002b Scardia, M., Arnold, L., Avila, R., et al.
Pru2002b ApJS 142, 95, 2002
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 WRH Wilson, R.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20339+3515 WRH 34 AB 1998 27 278 0.3 4.84 7.30 K2Ib B3V N 203354.19+351503.1
20339+3515 WRH 34 AB 2003 28 285 0.3 4.84 7.30 K2Ib+B3V N 203354.19+351503.1

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

 
 
WDS 20339+3515 WRH 34 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20339+3515 WRH 34 AB : MEASURES
 
 
No records found.

 
 
WDS 20339+3515 : VIRTUAL EYEPIECE
 
 

20339+3515 WRH 34A mag 4.84 Sp K2Ib 20339+3515 WRH 34B sep 0.2 P.A. 280.20 mag 7.3 Sp B3V 20339+3515 BU 1490C sep 110.2 P.A. 205.40 mag 11.87 Sp B3V virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20339+3515 : ALADIN DSS IMAGE @ 20h 33m 54.19s +35° 15' 03.1"
 
 
 
 
WDS 20339+3515 WRH 34 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20339+3515 WRH 34AB distance=0' 20344+3513 J 1143 distance=7' 20344+3510 TDT2383 distance=9' 20340+3505 SEI1169 distance=12' 20329+3515 ES 2306 distance=14' 20353+3525 ES 2250 distance=20' 20355+3510 POP 6 distance=20' 20355+3509 POP 7 distance=21' 20356+3510 STF2702 distance=22' 20355+3507 SEI1183 distance=22' 20337+3452 TDT2373 distance=24' 20318+3517 SEI1152 distance=26' 20346+3541 TDT2386 distance=27' 20315+3517 CRB 135 distance=28' 20359+3458 J 793 distance=31' 20355+3450 ES 2307 distance=32' 20340+3441 STT 408 distance=35' 20307+3521 HU 760BC distance=40' 20307+3521 HJ 1526A,BC distance=40' 20309+3459 SEI1145 distance=41' 20306+3525 COU1961 distance=43' 20322+3552 GRV 350 distance=44' 20306+3452 ES 2305 distance=47' 20305+3454 ES 2304 distance=48' 20356+3432 J 792 distance=48' 20321+3558 COU2133AB distance=49' 20321+3558 COU2133Aa,Ab distance=49' 20305+3540 SEI1142 distance=49' 20373+3541 ES 2251 distance=49' 20356+3559 TDT2401 distance=49' 20364+3555 TDT2414 distance=51' 20380+3523 TDT2437 distance=51' 20300+3448 J 789 distance=56' 20350+3419 J 791AB distance=57' 20350+3419 J 791AC distance=57' 20361+3426 ES 2308 distance=58' 20386+3509 POP 8 distance=58' 20294+3447 GCB 53 distance=61' 20316+3420 TOK 338 distance=63' 20376+3559 LSC 92 distance=63' 20290+3535 COU1959 distance=64' 20359+3615 GII 52Aa,Ab distance=65' 20359+3615 GII 52AB distance=65' 20359+3617 TDT2405 distance=67' 20288+3541 SEI1130 distance=67' 20291+3550 HO 594AB distance=69' 20291+3550 GRF 16AC distance=69' 20381+3601 HJ 1553 distance=69' 20389+3546 TDT2450 distance=69' 20365+3616 SEI1190 distance=69' 20391+3543 SEI1205 distance=69' 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 20339+3515 WRH 34 AB 278 0.3
Show 20339+3515 BU 1490 AC 210 115.1
Show 20344+3513 J 1143 271 4.1 7
Show 20344+3510 TDT2383 124 0.6 9
Show 20340+3505 SEI1169 262 20.8 12
Show 20329+3515 ES 2306 328 7.4 14
Show 20353+3525 ES 2250 121 5.5 20
Show 20355+3510 POP 6 219 6.5 20
Show 20355+3509 POP 7 66 7.9 21
Show 20356+3510 STF2702 208 3.1 22
Show 20355+3507 SEI1183 -1 -1.0 22
Show 20337+3452 TDT2373 67 0.8 24
Show 20318+3517 SEI1152 316 25.3 26
Show 20346+3541 TDT2386 203 0.5 27
Show 20315+3517 CRB 135 4 16.6 28
Show 20359+3458 J 793 67 2.9 31
Show 20355+3450 ES 2307 90 3.3 32
Show 20340+3441 STT 408 193 1.6 35
Show 20307+3521 HU 760 BC 67 0.3 40
Show 20307+3521 HJ 1526 A,BC 148 8.8 40
Show 20309+3459 SEI1145 88 7.7 41
Show 20306+3525 COU1961 205 0.4 43
Show 20322+3552 GRV 350 159 36.5 44
Show 20306+3452 ES 2305 286 6.7 47
Show 20305+3454 ES 2304 39 3.6 48
Show 20356+3432 J 792 321 3.4 48
Show 20321+3558 COU2133 AB 29 2.4 49
Show 20321+3558 COU2133 Aa,Ab 119 0.1 49
Show 20305+3540 SEI1142 78 21.7 49
Show 20373+3541 ES 2251 196 3.6 49
Show 20356+3559 TDT2401 358 0.4 49
Show 20364+3555 TDT2414 222 0.9 51
Show 20380+3523 TDT2437 73 0.4 51
Show 20300+3448 J 789 97 2.3 56
Show 20350+3419 J 791 AB 181 3.7 57
Show 20350+3419 J 791 AC 229 18.2 57
Show 20361+3426 ES 2308 246 7.5 58
Show 20386+3509 POP 8 195 3.7 58
Show 20294+3447 GCB 53 338 4.3 61
Show 20316+3420 TOK 338 2 94.2 63
Show 20376+3559 LSC 92 105 0.1 63
Show 20290+3535 COU1959 323 0.4 64
Show 20359+3615 GII 52 Aa,Ab 217 0.4 65
Show 20359+3615 GII 52 AB 344 3.9 65
Show 20359+3617 TDT2405 355 1.1 67
Show 20288+3541 SEI1130 26 11.3 67
Show 20291+3550 HO 594 AB 212 15.9 69
Show 20291+3550 GRF 16 AC 163 104.0 69
Show 20381+3601 HJ 1553 192 11.5 69
Show 20389+3546 TDT2450 250 1.9 69
Show 20365+3616 SEI1190 153 2.4 69

 
 
WDS 20339+3515 : COMPONENTS
 
 
  A B
B pa=280.2°
sep=0.23"
 
C pa=205.4°
sep=110.15"
pa=205.3°
sep=110.09"
 
 
20339+3515 A
 
 
Coord arcsec 2000 203354.19+351503.1 Mag 4.84 Spectral class K2Ib (yellow-orange) PmRA 2.00
PmDE -5.0 SAO 70203 HIP 101474 Tycho2 2694-02168-1
HD 196093 HR 7866 GC 28630 BD BD+34 4079
Flamsteed 47 Cygni Flamsteed name 47 Cyg
Tycho2
Tycho2 2694-02168-1 Pflag RAmdeg 308.47577649 DEmdeg 35.25085332
PmRA -2.2 PmDE -4.9 E RAmdeg 3 E DEmdeg 3
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.43 EpDEm 1991.61
Num 16 Q RAmdeg 1.7 Q DEmdeg 1.3 Q pmRA 1.5
Q pmDE 1.3 BTmag 6.625 E BTmag 0.014 VTmag 4.815
E VTmag 0.009 Prox 999 TYC T HIP 101474
CCDM AB RAdeg 308.47578278 DEdeg 35.25086444 EpRA 1990 1.57
EpDE 1990 1.74 E RAdeg 3.3 E DEdeg 3.3 Posflg P
Corr 0.1
SAO
SAO 70203 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 -0.004 Vmag 4.9 SpType +++
Double code Source 70 CatNum 28630 DM BD+34 4079
DMcomp BDsup HD 196093 M HD 9
GC 28630 RA1950rad 5.37542447 DE1950rad 0.61223856 PmRA2000 0.0001
PmDE2000 -0.006
Hipparcos
Catalog H HIP 101474 Proxy H RAhms 20 33 54.19
DEdms +35 15 03.1 Vmag 4.61 VarFlag 2 R Vmag G
RAdeg 308.476 DEdeg 35.2509 AstroRef * Plx 3.51
CCDM 20339+3514 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 277 Rho 0.229 HD 196093 BD BD+34 4079
CD CP Dm number +34 4079 VIred 1.78
SpType K2Ib comp R SpType Coord arcsec 2000 203354.19+351503.1
Hipparcos 2
HIP 101474 Sn 55 So 3 Nc 2
RArad 5.3839180927 DErad 0.6152436529 Plx 1.18 PmRA -1.58
PmDE -5.36 E RArad 0.26 E DErad 0.29 E Plx 0.41
E pmRA 0.3 E pmDE 0.31 Hpmag 4.7334 E Hpmag 0.0025
SHp 0.029 VA 2 BV 1.593 E BV 0.023
VI 1.78
 
 
20339+3515 B
 
 
Coord arcsec 2000 203354.17+351503.1 Mag 7.3 Spectral class B3V (blue-white) Calc delta mag 2.46
Calc coord yes
 
 
20339+3515 C
 
 
Coord arcsec 2000 203350.33+351323.6 Mag 11.87 Spectral class B3V (blue-white) PmRA -22.00
PmDE -35.0 Tycho2 2694-01528-1 Calc delta mag 7.03 Calc coord yes
Tycho2
Tycho2 2694-01528-1 Pflag RAmdeg 308.45608976 DEmdeg 35.22292886
PmRA -13.4 PmDE -47.7 E RAmdeg 123 E DEmdeg 130
E pmRA 5.4 E pmDE 6.2 EpRAm 1977.19 EpDEm 1980.29
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 12.314 E BTmag 0.153 VTmag 11.871
E VTmag 0.152 Prox 407 TYC HIP
CCDM RAdeg 308.45612778 DEdeg 35.22303806 EpRA 1990 1.60
EpDE 1990 1.75 E RAdeg 146.3 E DEdeg 147.8 Posflg
Corr 0.2