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Current system
21453-1341
STF 2821
HD 206878


Nearby doubles
37' : 21476-1355
LDS4908

41' : 21434-1410
HLD 167AB

46' : 21474-1307
HWE 58AB

53' : 21489-1344
UC 4572

54' : 21454-1247
VSP 2

54' : 21488-1357
GWP3096

58' : 21427-1258
KPP1268

61' : 21417-1412
HJ 5291

68' : 21440-1445
DRS 68

80' : 21401-1405
GWP3082

90' : 21415-1450
HO 464AB

90' : 21476-1218
BRT2785

92' : 21422-1221
J 1410

95' : 21393-1305
HU 88

100' : 21468-1518
GWP3093

104' : 21397-1237
RST4090AB

107' : 21468-1157
OCC 997

113' : 21403-1214
GWP3085

116' : 21451-1536
HU 375

121' : 21467-1142
OCC 227

121' : 21391-1221
VBS 34AB

122' : 21534-1411
RST4092

124' : 21538-1339
GWP3104

125' : 21530-1249
LDS 761

127' : 21403-1157
GWP3084

133' : 21527-1458
UC 4586



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.

21453-1341 STF 2821 (HD 206878)

 
 
21h 45m 18.39s -13° 40' 33.4" P.A. 223.00 sep 27.3 mag 8.74,11.55 Sp K3III dist. 10.45 pc (34.09 l.y.)
 
 
Coord 2000 21453-1341 Discov num STF2821 Comp Coord arcsec 2000 21 45 18.39 -13 40 33.4
Date first 1905 Date last 2015 Obs 15
Pa first 226 Pa last 223 P.A. Now (θ) 223°
Sep first 26.8 Sep last 27.315 Sep. Now (ρ) 27.315"
Mag pri 8.74 Mag sec 11.55 delta mag (ΔM) 2.81 Spectral class K3III (yellow-orange)
Pri motion ra -006 Sec motion ra +009
Pri motion dec +004 Sec motion dec +034
Notes
rPM=0.954
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206878 Constellation Capricornus SAO 164626 HIP 107404
Tycho2 5800-00676-1 Gaia DR2 6843329348729972224 HD 206878 GC 30459
BD BD-14 6116 Distance 10.45 Distance ly 34.09
 
 
WDS 21453-1341 STF 2821 (HD 206878) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21453-1341 STF2821 1999 9 223 27.3 8.74 11.80 K3III D 214518.39-134033.4
21453-1341 STF2821 2013 12 223 27.3 8.74 11.55 K3III 214518.39-134033.4
21453-1341 STF2821 2015 14 223 27.3 8.74 11.55 K3III 214518.39-134033.4

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

 
 
WDS 21453-1341 STF 2821 (HD 206878) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21453-1341 STF 2821 (HD 206878) : MEASURES
 
 
No records found.

 
 
WDS 21453-1341 (HD 206878) : VIRTUAL EYEPIECE
 
 

21453-1341 STF2821A mag 8.74 Sp K3III 21453-1341 STF2821B sep 27.0 P.A. 222.20 mag 11.55 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21453-1341 (HD 206878) : ALADIN DSS IMAGE @ 21h 45m 18.39s -13° 40' 33.4"
 
 
 
 
WDS 21453-1341 STF 2821 (HD 206878) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21453-1341 STF2821 distance=0' 21476-1355 LDS4908 distance=37' 21434-1410 HLD 167AB distance=41' 21434-1410 GLP 19AC distance=41' 21474-1307 HWE 58AB distance=46' 21474-1307 STF2826AC distance=46' 21489-1344 UC 4572 distance=53' 21454-1247 VSP 2 distance=54' 21488-1357 GWP3096 distance=54' 21427-1258 KPP1268 distance=58' 21472-1431 KPP4248BC distance=58' 21417-1412 HJ 5291 distance=61' 21440-1445 DRS 68 distance=68' 21401-1405 GWP3082 distance=80' 21415-1450 HO 464AB distance=90' 21415-1450 GMC 28AC distance=90' 21476-1218 BRT2785 distance=90' 21422-1221 J 1410 distance=92' 21393-1305 HU 88 distance=95' 21468-1518 GWP3093 distance=100' 21397-1237 RST4090AB distance=104' 21397-1237 BVD 139AB,C distance=104' 21468-1157 OCC 997 distance=107' 21403-1214 GWP3085 distance=113' 21451-1536 HU 375 distance=116' 21467-1142 OCC 227 distance=121' 21391-1221 VBS 34AB distance=121' 21391-1221 B 2897AB,C distance=121' 21534-1411 RST4092 distance=122' 21538-1339 GWP3104 distance=124' 21530-1249 LDS 761 distance=125' 21403-1157 GWP3084 distance=127' 21527-1458 UC 4586 distance=133' 21523-1216 TDT3208 distance=133' 21429-1551 ARA 130 distance=135' 21432-1553 UC 4537 distance=136' 21544-1430 HJ 5522 distance=137' 21375-1225 TSN 68 distance=137' 21366-1243 GWP3077 distance=140' 21390-1527 HL 5 distance=141' 21358-1407 UC 4503 distance=142' 21470-1608 HJ 3056AB (Deneb Algedi) distance=150' 21470-1608 HJ 3056AC (Deneb Algedi) distance=150' 21515-1139 HU 89 distance=152' 21436-1108 LV 10 distance=155' 21491-1608 RST5165 distance=158' 21345-1316 RST4089 distance=160' 21346-1435 KPP2220 distance=165' 21526-1548 HJ 5298AB distance=167' 21526-1548 BUP9004AC distance=167' 21338-1329 GWP3074 distance=168' 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 21453-1341 STF2821 223 27.3
Show 21476-1355 LDS4908 347 47.9 37
Show 21434-1410 HLD 167 AB 289 1.9 41
Show 21434-1410 GLP 19 AC 291 21.4 41
Show 21474-1307 HWE 58 AB 82 0.6 46
Show 21474-1307 STF2826 AC 81 4.0 46
Show 21489-1344 UC 4572 214 63.4 53
Show 21454-1247 VSP 2 46 0.2 54
Show 21488-1357 GWP3096 182 35.5 54
Show 21427-1258 KPP1268 49 9.7 58
Show 21472-1431 KPP4248 BC 279 2.2 58
Show 21417-1412 HJ 5291 107 24.4 61
Show 21440-1445 DRS 68 229 4.2 68
Show 21401-1405 GWP3082 97 42.0 80
Show 21415-1450 HO 464 AB 104 17.7 90
Show 21415-1450 GMC 28 AC 257 118.6 90
Show 21476-1218 BRT2785 89 3.4 90
Show 21422-1221 J 1410 208 4.8 92
Show 21393-1305 HU 88 227 1.4 95
Show 21468-1518 GWP3093 213 66.4 100
Show 21397-1237 RST4090 AB 323 1.2 104
Show 21397-1237 BVD 139 AB,C 287 128.0 104
Show 21468-1157 OCC 997 -1 0.1 107
Show 21403-1214 GWP3085 76 24.0 113
Show 21451-1536 HU 375 25 0.1 116
Show 21467-1142 OCC 227 -1 0.1 121
Show 21391-1221 VBS 34 AB 275 0.2 121
Show 21391-1221 B 2897 AB,C 18 0.8 121
Show 21534-1411 RST4092 31 1.3 122
Show 21538-1339 GWP3104 350 10.0 124
Show 21530-1249 LDS 761 257 17.3 125
Show 21403-1157 GWP3084 292 10.0 127
Show 21527-1458 UC 4586 15 24.4 133
Show 21523-1216 TDT3208 71 1.8 133
Show 21429-1551 ARA 130 50 8.7 135
Show 21432-1553 UC 4537 116 34.9 136
Show 21544-1430 HJ 5522 94 15.6 137
Show 21375-1225 TSN 68 44 47.0 137
Show 21366-1243 GWP3077 248 67.6 140
Show 21390-1527 HL 5 95 1.3 141
Show 21358-1407 UC 4503 123 6.9 142
Show Deneb Algedi 21470-1608 HJ 3056 AB 60 49.9 150
Show Deneb Algedi 21470-1608 HJ 3056 AC 304 153.6 150
Show 21515-1139 HU 89 24 0.6 152
Show 21436-1108 LV 10 356 1.0 155
Show 21491-1608 RST5165 72 2.6 158
Show 21345-1316 RST4089 32 1.2 160
Show 21346-1435 KPP2220 238 18.4 165
Show 21526-1548 HJ 5298 AB 319 66.9 167
Show 21526-1548 BUP9004 AC 322 26.4 167
Show 21338-1329 GWP3074 247 45.2 168

 
 
WDS 21453-1341 : COMPONENTS
 
 
  A
B pa=222.2°
sep=26.96"
 
 
21453-1341 A
 
 
Componente originario normalizzato AB Name HD 206878 Coord arcsec 2000 214518.39-134033.4 Mag 8.74
Spectral class K3III (yellow-orange) PmRA -6.00 PmDE 4.0 SAO 164626
HIP 107407 Tycho2 5800-00676-1 HD 206878 GC 30459
BD BD-14 6116
Tycho2
Tycho2 5800-00676-1 Pflag RAmdeg 326.32659918 DEmdeg -13.67593331
PmRA -6.4 PmDE 4.3 E RAmdeg 11 E DEmdeg 13
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.10 EpDEm 1987.81
Num 12 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 10.402 E BTmag 0.041 VTmag 8.743
E VTmag 0.017 Prox 260 TYC T HIP 107407
CCDM A RAdeg 326.32661528 DEdeg -13.67594306 EpRA 1990 1.63
EpDE 1990 1.49 E RAdeg 12.1 E DEdeg 14.3 Posflg
Corr -0.2
SAO
SAO 164626 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.006 Vmag 8.8 SpType K0
Double code Source 70 CatNum 30459 DM BD-14 6116
DMcomp BDsup HD 206878 M HD 0
GC 30459 RA1950rad 5.68362628 DE1950rad -0.24272047 PmRA2000 0.0002
PmDE2000 0.004
Hipparcos
Catalog H HIP 107407 Proxy RAhms 21 45 18.39
DEdms -13 40 33.4 Vmag 8.58 VarFlag R Vmag H
RAdeg 326.327 DEdeg -13.6759 AstroRef A Plx 0.5
CCDM 21453-1341 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual C M HIP
Theta Rho HD 206878 BD BD-14 6116
CD CP Dm number -14 6116 VIred 1.29
SpType K3III R SpType Coord arcsec 2000 214518.39-134033.4
Hipparcos 2
HIP 107407 Sn 95 So 3 Nc 1
RArad 5.6954737677 DErad -0.2386902556 Plx 0.43 PmRA -5.2
PmDE 3.91 E RArad 1.25 E DErad 1.11 E Plx 1.55
E pmRA 2.09 E pmDE 1.29 Hpmag 8.7299 E Hpmag 0.0207
SHp 0.02 VA 0 BV 1.358 E BV 0.039
VI 1.33
CCDM
Ccdm 21453-1341 RComp Comp A Note1
Note2 Discov num DRAs 0.43 DDEs 26.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp K0 PmNote *
PmRA 1 PmDE 6 Dm number -14 6116 Cat1 BD
Name2 164626 Cat2 SAO HD 206878 M HD
ADS BDS B11215 M ADS BDS N IDS IDS 21399S1407A
HIC 107407
 
 
21453-1341 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214517.15-134053.4 Mag 11.55 PmRA 9.00
PmDE 34.0 HIP 107404 Calc delta mag 2.81 Calc coord yes
Hipparcos
Catalog H HIP 107404 Proxy RAhms 21 45 17.15
DEdms -13 40 52.1 Vmag 11.92 VarFlag R Vmag H
RAdeg 326.321 DEdeg -13.6811 AstroRef B Plx -15.75
CCDM 21453-1341 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual C M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.73
SpType R SpType Coord arcsec 2000 214517.15-134052.1
Hipparcos 2
HIP 107404 Sn 95 So 3 Nc 1
RArad 5.695383777 DErad -0.2387810399 Plx -95.7 PmRA 85.42
PmDE 5.43 E RArad 31.17 E DErad 30.23 E Plx 41.76
E pmRA 52.03 E pmDE 33.03 Hpmag 11.9057 E Hpmag 0.2767
SHp 0 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 21453-1341 RComp Comp B Note1
Note2 Discov num STF2821 DRAs DDEs
R dRAs Year 1905 Theta 226 Rho 26.8
Obs 1 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B11215 M ADS BDS N N IDS IDS 21399S1407B
HIC 107404