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Doubles in session


Current system
19521+2925
WSI 12


Nearby doubles
1' : 19521+2923
MLB 658

2' : 19522+2925
WSI 14

2' : 19520+2925
MLB 657

2' : 19522+2924
WSI 13AB

7' : 19521+2918
OSO 113AB

12' : 19530+2925
TDT1824

17' : 19532+2917
MLB 700

17' : 19534+2923
J 25

31' : 19539+2905
TDT1832

32' : 19498+2933
TDT1784

39' : 19526+2846
MLB 475

43' : 19553+2929
TDT1849

45' : 19553+2939
TDT1848

45' : 19554+2935
TDT1851

47' : 19556+2933
TDT1854

48' : 19544+3001
AG 393

49' : 19528+2837
TDT1820

50' : 19558+2918
TDT1857

51' : 19493+3000
TDT1778

56' : 19559+2950
BRT 45

56' : 19477+2924
BRT 43

57' : 19536+3017
HJ 1450

58' : 19497+2836
GRV 287

59' : 19501+3017
TDT1787

59' : 19534+2828
RAO 422

60' : 19566+2913
COU1470



Selections
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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19521+2925 WSI 12

 
 
19h 52m 05.67s +29° 24' 34.5" P.A. 74.00 sep 10.9 mag 11.70,12.10 Sp B5III dist. 124.53 pc (406.22 l.y.)
 
 
Coord 2000 19521+2925 Discov num WSI  12 Comp Coord arcsec 2000 19 52 05.67 +29 24 34.5
Date first 1998 Date last 2015 Obs 10
Pa first 75 Pa last 74.2 P.A. Now (θ) 74.2°
Sep first 10.9 Sep last 10.895 Sep. Now (ρ) 10.895"
Mag pri 11.70 Mag sec 12.10 delta mag (ΔM) 0.4 Spectral class B5III (blue-white)
Pri motion ra -005 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 97772 Tycho2 2152-02306-1 Gaia DR2 2028817451172562304
Distance 124.53 Distance ly 406.22
 
 
WDS 19521+2925 WSI 12 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
WSI (Washington Speckle Interferometer)
WSI Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
WSI Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
WSI Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
WSI Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
WSI Hennessy, G.S., Platais, I., et al.
WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
WSI Hennessy, G.S., Rafferty, T.J., et al.
WSI Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
WSI C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
WSI Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
WSI Matson, R.A., et al.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
19521+2925 WSI 12 2003 3 74 11.0 11.70 12.10 D 195205.67+292434.5
19521+2925 WSI 12 2010 5 73 10.1 11.70 12.10 B5III 195205.67+292434.5
19521+2925 WSI 12 2015 6 74 10.9 11.70 12.10 B5III 195205.67+292434.5

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

 
 
WDS 19521+2925 WSI 12 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19521+2925 WSI 12 : MEASURES
 
 
No records found.

 
 
WDS 19521+2925 : VIRTUAL EYEPIECE
 
 

19521+2925 WSI 12A mag 11.7 Sp B5III 19521+2925 WSI 12B sep 10.9 P.A. 74.20 mag 12.1 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 19521+2925 : ALADIN DSS IMAGE @ 19h 52m 05.67s +29° 24' 34.5"
 
 
 
 
WDS 19521+2925 WSI 12 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19521+2925 WSI 12 distance=1' 19521+2923 MLB 658 distance=1' 19522+2924 MLB 699DE distance=2' 19522+2925 WSI 14 distance=2' 19520+2925 MLB 657 distance=2' 19522+2924 WSI 13BC distance=2' 19522+2924 WSI 13AB distance=2' 19521+2918 OSO 113AB distance=7' 19521+2918 OSO 113AC distance=7' 19521+2918 OSO 113AD distance=7' 19521+2918 OSO 113AE distance=7' 19521+2918 OSO 113AF distance=7' 19521+2918 OSO 113AG distance=7' 19521+2918 OSO 113AH distance=7' 19521+2918 OSO 113AI distance=7' 19521+2918 OSO 113AJ distance=7' 19521+2918 OSO 113AK distance=7' 19521+2918 OSO 113AL distance=7' 19521+2918 OSO 113AM distance=7' 19521+2918 OSO 113AN distance=7' 19521+2918 OSO 113AO distance=7' 19530+2925 TDT1824 distance=12' 19532+2917 MLB 700 distance=17' 19534+2923 J 25 distance=17' 19539+2905 TDT1832 distance=31' 19498+2933 TDT1784 distance=32' 19526+2846 MLB 475 distance=39' 19553+2929 TDT1849 distance=43' 19553+2939 TDT1848 distance=45' 19554+2935 TDT1851 distance=45' 19556+2933 TDT1854 distance=47' 19544+3001 AG 393 distance=48' 19528+2837 TDT1820 distance=49' 19558+2918 TDT1857 distance=50' 19493+3000 TDT1778 distance=51' 19559+2950 BRT 45 distance=56' 19477+2924 BRT 43 distance=56' 19536+3017 HJ 1450 distance=57' 19497+2836 GRV 287 distance=58' 19501+3017 TDT1787 distance=59' 19534+2828 RAO 422 distance=59' 19566+2913 COU1470 distance=60' 19527+2824 TDT1818 distance=61' 19551+3012 STT 390AB distance=62' 19551+3012 STT 390AC distance=62' 19551+3012 WAL 121AD distance=62' 19553+3011 J 781AB distance=63' 19553+3011 J 781AC distance=63' 19553+3011 J 781BC distance=63' 19479+2956 TDT1763 distance=63' 19557+2839 MLB 476 distance=66' 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 19521+2925 WSI 12 74 10.9 1
Show 19521+2923 MLB 658 114 2.4 1
Show 19522+2924 MLB 699 DE 354 2.3 2
Show 19522+2925 WSI 14 345 8.7 2
Show 19520+2925 MLB 657 41 3.5 2
Show 19522+2924 WSI 13 BC 160 12.3 2
Show 19522+2924 WSI 13 AB 260 15.1 2
Show 19521+2918 OSO 113 AB 133 4.1 7
Show 19521+2918 OSO 113 AC 35 6.5 7
Show 19521+2918 OSO 113 AD 255 9.2 7
Show 19521+2918 OSO 113 AE 106 9.9 7
Show 19521+2918 OSO 113 AF 251 10.3 7
Show 19521+2918 OSO 113 AG 311 12.8 7
Show 19521+2918 OSO 113 AH 231 13.1 7
Show 19521+2918 OSO 113 AI 142 13.4 7
Show 19521+2918 OSO 113 AJ 178 13.9 7
Show 19521+2918 OSO 113 AK 264 14.7 7
Show 19521+2918 OSO 113 AL 83 18.2 7
Show 19521+2918 OSO 113 AM 169 20.9 7
Show 19521+2918 OSO 113 AN 236 23.9 7
Show 19521+2918 OSO 113 AO 281 25.0 7
Show 19530+2925 TDT1824 95 1.2 12
Show 19532+2917 MLB 700 318 3.8 17
Show 19534+2923 J 25 12 1.7 17
Show 19539+2905 TDT1832 295 2.8 31
Show 19498+2933 TDT1784 57 0.7 32
Show 19526+2846 MLB 475 292 2.7 39
Show 19553+2929 TDT1849 51 4.4 43
Show 19553+2939 TDT1848 359 0.5 45
Show 19554+2935 TDT1851 134 2.0 45
Show 19556+2933 TDT1854 311 2.2 47
Show 19544+3001 AG 393 201 2.1 48
Show 19528+2837 TDT1820 73 0.5 49
Show 19558+2918 TDT1857 87 4.8 50
Show 19493+3000 TDT1778 73 3.6 51
Show 19559+2950 BRT 45 118 3.1 56
Show 19477+2924 BRT 43 108 4.7 56
Show 19536+3017 HJ 1450 254 8.6 57
Show 19497+2836 GRV 287 173 48.0 58
Show 19501+3017 TDT1787 337 2.1 59
Show 19534+2828 RAO 422 9 1.6 59
Show 19566+2913 COU1470 238 0.4 60
Show 19527+2824 TDT1818 307 0.6 61
Show 19551+3012 STT 390 AB 22 9.6 62
Show 19551+3012 STT 390 AC 176 15.8 62
Show 19551+3012 WAL 121 AD 145 54.8 62
Show 19553+3011 J 781 AB 126 3.0 63
Show 19553+3011 J 781 AC 99 10.2 63
Show 19553+3011 J 781 BC 89 7.6 63
Show 19479+2956 TDT1763 89 2.7 63
Show 19557+2839 MLB 476 86 6.7 66

 
 
WDS 19521+2925 : COMPONENTS
 
 
  A
B pa=74.2°
sep=10.89"
 
 
19521+2925 A
 
 
Coord arcsec 2000 195205.67+292434.5 Mag 11.7 Spectral class B5III (blue-white) PmRA -5.00
PmDE -5.0
 
 
19521+2925 B
 
 
Coord arcsec 2000 195206.47+292437.5 Mag 12.1 Tycho2 2152-02306-1 Delta magnitude 0.4
Coordinate calculated yes
Tycho2
Tycho2 2152-02306-1 Pflag RAmdeg 298.02366402 DEmdeg 29.40960230
PmRA -1.4 PmDE -8.8 E RAmdeg 79 E DEmdeg 74
E pmRA 2.7 E pmDE 2.7 EpRAm 1980.59 EpDEm 1981.90
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.8 Q pmRA 0.1
Q pmDE 0.8 BTmag 12.300 E BTmag 0.142 VTmag 12.591
E VTmag 0.214 Prox 402 TYC HIP
CCDM RAdeg 298.02366778 DEdeg 29.40962222 EpRA 1990 1.63
EpDE 1990 1.72 E RAdeg 84.5 E DEdeg 77.9 Posflg
Corr 0.1