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Current system
21391-1221
VBS 34 AB


Nearby doubles
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TSN 68

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GWP3077

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HU 88

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STF2805

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KPP1268

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HU 87

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OCC 580

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RST4089

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I 302

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VSP 2

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LV 10

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OCC 826

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GWP3074

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GWP3082

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OCC 997

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STF2821

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BRT2785

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HLD 167AB

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HJ 5518



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

21391-1221 VBS 34 AB

 
 
21h 39m 06.68s -12° 21' 05.1" P.A. 275.00 sep 0.2 mag 10.30,10.60 Sp F8V
 
 
Coord 2000 21391-1221 Discov num VBS  34 Comp AB Coord arcsec 2000 21 39 06.68 -12 21 05.1
Date first 1948 Date last 2019 Obs 7
Pa first 106 Pa last 275.3 P.A. Now (θ) 275.3°
Sep first 0.2 Sep last 0.164 Sep. Now (ρ) 0.164"
Mag pri 10.30 Mag sec 10.60 delta mag (ΔM) 0.3 Spectral class F8V (yellow-white)
Pri motion ra -039 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21391-1221 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 164546 21 39 07 -12 21 05 VBS 34 AB 2019 7 275 0.2 10.30 10.60 0.30 <===
Show HD 205957 164546 21 39 07 -12 21 05 B 2897 AB,C 1958 4 18 0.8 9.70 12.50 2.80
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus SAO 164546 Tycho2 5795-00473-1 Gaia DR2 6844471118540050944
HD 205957
 
 
WDS 21391-1221 VBS 34 AB : NOTES
 
 
discov_num notes refcode
VBS 34 RST 5555. A difficult pair. For AB,C see note by van den Bos. B__1960b
 
 
REFERENCES
 
 
refcode metd author reference
B__1960b Ma j van den Bos, W.H. 1960PYerO...9....1B
B__1960b +Mb Pub. Yerkes Obs. 9, pt. 1, 1960
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
212 VBS Van Biesbroeck, G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21391-1221 VBS 34 AB 1975 5 76 0.2 10.30 10.60 F8V N 213906.68-122105.1
21391-1221 VBS 34 AB 2018 6 276 0.2 10.30 10.60 F8V N 213906.68-122105.1
21391-1221 VBS 34 AB 2019 7 275 0.2 10.30 10.60 F8V N 213906.68-122105.1

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

 
 
WDS 21391-1221 VBS 34 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21391-1221 VBS 34 AB : MEASURES
 
 
No records found.

 
 
WDS 21391-1221 : VIRTUAL EYEPIECE
 
 

21391-1221 VBS 34A mag 10.3 Sp F8V 21391-1221 VBS 34B sep 0.2 P.A. 275.40 mag 10.6 21391-1221 B 2897C sep 0.8 P.A. 17.20 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 21391-1221 : ALADIN DSS IMAGE @ 21h 39m 06.68s -12° 21' 05.1"
 
 
 
 
WDS 21391-1221 VBS 34 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21391-1221 VBS 34AB distance=1' 21391-1221 B 2897AB,C distance=1' 21397-1237 RST4090AB distance=19' 21397-1237 BVD 139AB,C distance=19' 21403-1214 GWP3085 distance=20' 21375-1225 TSN 68 distance=24' 21403-1157 GWP3084 distance=30' 21366-1243 GWP3077 distance=43' 21393-1305 HU 88 distance=45' 21422-1221 J 1410 distance=46' 21356-1147 STF2805 distance=62' 21427-1258 KPP1268 distance=64' 21370-1125 HU 87 distance=65' 21340-1146 OCC 580 distance=83' 21345-1316 RST4089 distance=88' 21382-1054 I 302 distance=89' 21454-1247 VSP 2 distance=96' 21436-1108 LV 10 distance=99' 21411-1047 OCC 826 distance=99' 21338-1329 GWP3074 distance=103' 21401-1405 GWP3082 distance=106' 21468-1157 OCC 997 distance=116' 21358-1407 UC 4503 distance=117' 21417-1412 HJ 5291 distance=118' 21467-1142 OCC 227 distance=119' 21453-1341 STF2821 distance=121' 21476-1218 BRT2785 distance=126' 21434-1410 HLD 167AB distance=126' 21434-1410 GLP 19AC distance=126' 21361-1023 HJ 5518 distance=128' 21317-1330 SCJ 29 distance=129' 21314-1323 LDS1482 distance=130' 21474-1307 HWE 58AB distance=131' 21474-1307 STF2826AC distance=131' 21412-1011 RAO 623 distance=134' 21441-1025 GWP3089 distance=138' 21334-1412 KPP2339 distance=139' 21346-1435 KPP2220 distance=150' 21415-1450 HO 464AB distance=154' 21415-1450 GMC 28AC distance=154' 21402-0948 OCC1063 distance=155' 21476-1355 LDS4908 distance=156' 21440-1445 DRS 68 distance=161' 21435-0953 OCC 948 distance=162' 21337-1444 HJ 3036 distance=163' 21489-1344 UC 4572 distance=165' 21488-1357 GWP3096 distance=172' 21289-1354 RST4086 distance=176' 21472-1431 KPP4248BC distance=176' 21279-1326 SCJ 28 distance=177' 21310-1005 SHN 252 distance=180' 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 21391-1221 VBS 34 AB 275 0.2 1
Show 21391-1221 B 2897 AB,C 18 0.8 1
Show 21397-1237 RST4090 AB 323 1.2 19
Show 21397-1237 BVD 139 AB,C 287 128.0 19
Show 21403-1214 GWP3085 76 24.0 20
Show 21375-1225 TSN 68 44 47.0 24
Show 21403-1157 GWP3084 292 10.0 30
Show 21366-1243 GWP3077 248 67.6 43
Show 21393-1305 HU 88 227 1.4 45
Show 21422-1221 J 1410 208 4.8 46
Show 21356-1147 STF2805 319 37.4 62
Show 21427-1258 KPP1268 49 9.7 64
Show 21370-1125 HU 87 236 2.7 65
Show 21340-1146 OCC 580 -1 0.0 83
Show 21345-1316 RST4089 32 1.2 88
Show 21382-1054 I 302 87 2.2 89
Show 21454-1247 VSP 2 46 0.2 96
Show 21436-1108 LV 10 356 1.0 99
Show 21411-1047 OCC 826 -1 0.1 99
Show 21338-1329 GWP3074 247 45.2 103
Show 21401-1405 GWP3082 97 42.0 106
Show 21468-1157 OCC 997 -1 0.1 116
Show 21358-1407 UC 4503 123 6.9 117
Show 21417-1412 HJ 5291 107 24.4 118
Show 21467-1142 OCC 227 -1 0.1 119
Show 21453-1341 STF2821 223 27.3 121
Show 21476-1218 BRT2785 89 3.4 126
Show 21434-1410 HLD 167 AB 289 1.9 126
Show 21434-1410 GLP 19 AC 291 21.4 126
Show 21361-1023 HJ 5518 159 53.6 128
Show 21317-1330 SCJ 29 292 58.3 129
Show 21314-1323 LDS1482 102 3.3 130
Show 21474-1307 HWE 58 AB 82 0.6 131
Show 21474-1307 STF2826 AC 81 4.0 131
Show 21412-1011 RAO 623 14 1.0 134
Show 21441-1025 GWP3089 68 93.0 138
Show 21334-1412 KPP2339 129 20.0 139
Show 21346-1435 KPP2220 238 18.4 150
Show 21415-1450 HO 464 AB 104 17.7 154
Show 21415-1450 GMC 28 AC 257 118.6 154
Show 21402-0948 OCC1063 -1 0.0 155
Show 21476-1355 LDS4908 347 47.9 156
Show 21440-1445 DRS 68 229 4.2 161
Show 21435-0953 OCC 948 -1 0.1 162
Show 21337-1444 HJ 3036 91 6.1 163
Show 21489-1344 UC 4572 214 63.4 165
Show 21488-1357 GWP3096 182 35.5 172
Show 21289-1354 RST4086 169 0.5 176
Show 21472-1431 KPP4248 BC 279 2.2 176
Show 21279-1326 SCJ 28 134 3.0 177
Show 21310-1005 SHN 252 -1 0.1 180

 
 
WDS 21391-1221 : COMPONENTS
 
 
  A B
B pa=275.4°
sep=0.16"
 
C pa=17.2°
sep=0.78"
pa=28.2°
sep=0.83"
 
 
21391-1221 A
 
 
Coord arcsec 2000 213906.68-122105.1 Mag 10.3 Spectral class F8V (yellow-white) PmRA -39.00
PmDE 7.0 SAO 164546 Tycho2 5795-00473-1 HD 205957
DM BD-13 5982
Tycho2
Tycho2 5795-00473-1 Pflag RAmdeg 324.77785618 DEmdeg -12.35144040
PmRA -47.9 PmDE -4.8 E RAmdeg 19 E DEmdeg 22
E pmRA 1.5 E pmDE 1.5 EpRAm 1987.00 EpDEm 1984.91
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.1
Q pmDE 0.5 BTmag 10.300 E BTmag 0.040 VTmag 9.658
E VTmag 0.035 Prox 999 TYC T HIP
CCDM RAdeg 324.77796972 DEdeg -12.35142917 EpRA 1990 1.60
EpDE 1990 1.37 E RAdeg 21.1 E DEdeg 25.6 Posflg
Corr -0.1
SAO
SAO 164546 DelFlag RA1950 PmRA1950 -0.0035
DE1950 PmDE1950 0.029 Vmag 9.1 SpType G0
Double code Source 20 CatNum 7672 DM BD-13 5982
DMcomp BDsup HD 205957 M HD 0
GC RA1950rad 5.65664503 DE1950rad -0.21952382 PmRA2000 -0.0033
PmDE2000 0.027
CCDM
Ccdm 21391-1221 RComp Comp A Note1
Note2 Discov num DRAs 0.65 DDEs -3.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 10.4 Sp G0 PmNote *
PmRA -51 PmDE 29 Dm number -13 5982 Cat1 BD
Name2 164546 Cat2 SAO HD 205957 M HD
ADS BDS M ADS BDS N IDS IDS 21337S1249A
HIC
 
 
21391-1221 B
 
 
Coord arcsec 2000 213906.67-122105.1 Mag 10.6 Calc delta mag 0.3 Calc coord yes
CCDM
Ccdm 21391-1221 RComp Comp B Note1
Note2 Discov num VBS DRAs DDEs
R dRAs Year 1958 Theta 100 Rho 0.2
Obs 4 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 21337S1249B
HIC
 
 
21391-1221 C
 
 
Coord arcsec 2000 213906.70-122104.4 Mag 12.5 Calc delta mag 2.2 Calc coord yes
CCDM
Ccdm 21391-1221 RComp Comp C Note1
Note2 Discov num B DRAs DDEs
R dRAs Year 1958 Theta 020 Rho 0.8
Obs 1 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 21337S1249C
HIC