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Current system
21005+5709
STI 2557


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

21005+5709 STI 2557

 
 
21h 00m 28.17s +57° 08' 04.1" P.A. 131.00 sep 8.1 mag 11.90,12.50
 
 
Coord 2000 21005+5709 Discov num STI2557 Comp Coord arcsec 2000 21 00 28.17 +57 08 04.1
Date first 1917 Date last 2015 Obs 9
Pa first 121 Pa last 130.8 P.A. Now (θ) 130.8°
Sep first 8.1 Sep last 8.051 Sep. Now (ρ) 8.051"
Mag pri 11.90 Mag sec 12.50 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -001 Sec motion ra +008
Pri motion dec +004 Sec motion dec -010
Notes
rPM=1.3
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2189305844809326720
 
 
WDS 21005+5709 STI 2557 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sti Stein, J. (see Vat1926) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21005+5709 STI2557 2000 2 129 8.0 11.90 12.50 D 210028.17+570804.1
21005+5709 STI2557 2003 3 130 8.0 11.90 12.50 D 210028.17+570804.1
21005+5709 STI2557 2012 4 131 8.1 11.90 12.50 210028.17+570804.1
21005+5709 STI2557 2015 5 131 8.1 11.90 12.50 210028.17+570804.1

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

 
 
WDS 21005+5709 STI 2557 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21005+5709 STI 2557 : MEASURES
 
 
No records found.

 
 
WDS 21005+5709 : VIRTUAL EYEPIECE
 
 

21005+5709 STI2557A mag 11.9 21005+5709 STI2557B sep 6.2 P.A. 147.80 mag 12.5 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 21005+5709 : ALADIN DSS IMAGE @ 21h 00m 28.17s +57° 08' 04.1"
 
 
 
 
WDS 21005+5709 STI 2557 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21005+5709 STI2557 distance=0' 20599+5714 ES 136 distance=9' 21019+5704 BU 1139 distance=13' 21021+5640 STF2751 distance=32' 20567+5656 A 755 distance=34' 20553+5651 A 752 distance=46' 20540+5711 ES 135AB distance=53' 20540+5711 ES 135AC distance=53' 21062+5628 TDT2747 distance=63' 20538+5739 OSW 76 distance=63' 20567+5618 ROE 89 distance=68' 20562+5742 HJ 1595 distance=68' 21090+5654 RAO 447 distance=72' 21045+5558 KPP4223 distance=78' 21101+5715 STI2561 distance=79' 21106+5710 ES 1760 distance=83' 21067+5556 TDT2753 distance=89' 21047+5831 HDS3002 distance=90' 20585+5539 A 1686 distance=91' 20495+5728 MLB 86 distance=91' 21085+5603 PET 1 distance=93' 21114+5737 MLR 590 distance=94' 21119+5713 TDT2813 distance=94' 20500+5751 CVR 232 distance=95' 21112+5620 DOO 16 distance=101' 20577+5849 A 756AB distance=104' 20577+5849 A 756AC distance=104' 20577+5849 ARN 34AD distance=104' 20577+5849 YSC 117Da,Db distance=105' 21031+5519 ES 1001 distance=112' 21147+5702 HJ 1630 distance=116' 20483+5815 MLR 360 distance=119' 21045+5904 MLB1090 distance=121' 20559+5906 A 754 distance=123' 21070+5900 STF2766 distance=124' 20454+5735 CIA 1Aa,Ab distance=126' 20454+5735 ENG 76AB distance=126' 20472+5607 KR 52 distance=126' 21141+5818 STF2783 distance=130' 20475+5553 HJ 1580 distance=131' 20493+5845 STTA211 distance=132' 21165+5727 STI2562 distance=132' 20470+5825 HDS2961 distance=133' 21024+5920 STI1011 distance=133' 21082+5907 A 760AB distance=134' 21035+5922 MRI 37 distance=136' 21010+5923 MLR 242 distance=137' 21084+5913 KPP3366 distance=140' 21035+5925 MLR 243 distance=140' 20537+5918 A 751 distance=141' 21009+5929 MLR 241 distance=142' 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 21005+5709 STI2557 131 8.1
Show 20599+5714 ES 136 159 4.2 9
Show 21019+5704 BU 1139 136 2.1 13
Show 21021+5640 STF2751 356 1.6 32
Show 20567+5656 A 755 189 0.1 34
Show 20553+5651 A 752 8 1.2 46
Show 20540+5711 ES 135 AB 199 7.1 53
Show 20540+5711 ES 135 AC 115 71.7 53
Show 21062+5628 TDT2747 26 0.4 63
Show 20538+5739 OSW 76 326 145.5 63
Show 20567+5618 ROE 89 241 5.5 68
Show 20562+5742 HJ 1595 313 11.6 68
Show 21090+5654 RAO 447 234 3.5 72
Show 21045+5558 KPP4223 236 1.9 78
Show 21101+5715 STI2561 183 14.2 79
Show 21106+5710 ES 1760 29 2.1 83
Show 21067+5556 TDT2753 31 0.7 89
Show 21047+5831 HDS3002 327 0.2 90
Show 20585+5539 A 1686 282 1.9 91
Show 20495+5728 MLB 86 149 4.6 91
Show 21085+5603 PET 1 343 0.2 93
Show 21114+5737 MLR 590 7 0.2 94
Show 21119+5713 TDT2813 359 0.5 94
Show 20500+5751 CVR 232 319 112.1 95
Show 21112+5620 DOO 16 29 1.1 101
Show 20577+5849 A 756 AB 210 0.6 104
Show 20577+5849 A 756 AC 197 54.0 104
Show 20577+5849 ARN 34 AD 265 215.4 104
Show 20577+5849 YSC 117 Da,Db 341 0.1 105
Show 21031+5519 ES 1001 32 3.6 112
Show 21147+5702 HJ 1630 133 17.4 116
Show 20483+5815 MLR 360 295 0.2 119
Show 21045+5904 MLB1090 34 9.5 121
Show 20559+5906 A 754 6 1.0 123
Show 21070+5900 STF2766 247 4.5 124
Show 20454+5735 CIA 1 Aa,Ab 105 0.1 126
Show 20454+5735 ENG 76 AB 146 48.4 126
Show 20472+5607 KR 52 64 4.6 126
Show 21141+5818 STF2783 348 0.7 130
Show 20475+5553 HJ 1580 245 10.9 131
Show 20493+5845 STTA211 268 94.9 132
Show 21165+5727 STI2562 77 11.2 132
Show 20470+5825 HDS2961 39 0.1 133
Show 21024+5920 STI1011 34 15.2 133
Show 21082+5907 A 760 AB 331 3.5 134
Show 21035+5922 MRI 37 175 6.0 136
Show 21010+5923 MLR 242 287 3.9 137
Show 21084+5913 KPP3366 201 5.4 140
Show 21035+5925 MLR 243 224 0.2 140
Show 20537+5918 A 751 52 0.2 141
Show 21009+5929 MLR 241 174 0.9 142

 
 
WDS 21005+5709 : COMPONENTS
 
 
  A
B pa=147.8°
sep=6.21"
 
 
21005+5709 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210028.17+570804.1 Mag 11.9 PmRA -1.00
PmDE 4.0
 
 
21005+5709 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210028.58+570758.8 Mag 12.5 PmRA 8.00
PmDE -10.0 Calc delta mag 0.6 Calc coord yes