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Current system
21284-1715
RST 3285


Nearby doubles
14' : 21293-1720
LEO 27AB

17' : 21278-1731
LDS4887

37' : 21285-1751
LDS 744

42' : 21313-1716
RST3288

46' : 21310-1740
HU 1313

49' : 21269-1632
KPP1601

58' : 21247-1737
CVR 899

71' : 21270-1824
OCC 747

72' : 21237-1744
SHN 250

78' : 21245-1620
SLN 90

79' : 21251-1612
GWP3059

81' : 21285-1836
ARA 810

83' : 21341-1716
HJ 3037

96' : 21247-1835
HJ 3024

100' : 21337-1612
A 2096

105' : 21230-1605
GWP3055

107' : 21332-1836
BRT1568

111' : 21282-1906
HJ 3029

111' : 21314-1534
RST4088

112' : 21357-1639
FAL 72

116' : 21352-1616
OCC 170

116' : 21278-1911
OCC 58

118' : 21211-1811
UC 4453AB

120' : 21216-1825
ARA 502

123' : 21345-1841
UC 4499AB

126' : 21198-1738
DON1008



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

21284-1715 RST 3285

 
 
21h 28m 21.65s -17° 15' 28.2" P.A. 242.00 sep 2.9 mag 8.60,14.00 Sp A1V dist. 223.71 pc (729.74 l.y.)
 
 
Coord 2000 21284-1715 Discov num RST3285 Comp Coord arcsec 2000 21 28 21.65 -17 15 28.2
Date first 1935 Date last 2016 Obs 4
Pa first 241 Pa last 241.6 P.A. Now (θ) 241.6°
Sep first 2.8 Sep last 2.949 Sep. Now (ρ) 2.949"
Mag pri 8.60 Mag sec 14.00 delta mag (ΔM) 5.4 Spectral class A1V (white)
Pri motion ra +002 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus SAO 164416 HIP 106016 Tycho2 6365-00787-1
Gaia DR2 6834895476069640064 HD 204347 BD BD-17 6288 Distance 223.71
Distance ly 729.74
 
 
WDS 21284-1715 RST 3285 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21284-1715 RST3285 1943 2 241 2.5 8.60 14.00 A1V 212821.65-171528.2
21284-1715 RST3285 2015 3 242 2.9 8.60 14.00 A1V S 212821.65-171528.2
21284-1715 RST3285 2016 4 242 2.9 8.60 14.00 A1V S 212821.65-171528.2

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

 
 
WDS 21284-1715 RST 3285 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21284-1715 RST 3285 : MEASURES
 
 
No records found.

 
 
WDS 21284-1715 : VIRTUAL EYEPIECE
 
 

21284-1715 RST3285A mag 8.6 Sp A1V 21284-1715 RST3285B sep 2.9 P.A. 240.50 mag 14 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 21284-1715 : ALADIN DSS IMAGE @ 21h 28m 21.65s -17° 15' 28.2"
 
 
 
 
WDS 21284-1715 RST 3285 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21284-1715 RST3285 distance=0' 21293-1720 LEO 27AB distance=14' 21293-1720 SHT 37AC distance=14' 21293-1720 SHT 37AD distance=14' 21278-1731 LDS4887 distance=17' 21285-1751 LDS 744 distance=37' 21313-1716 RST3288 distance=42' 21310-1740 HU 1313 distance=46' 21269-1632 KPP1601 distance=49' 21247-1737 CVR 899 distance=58' 21270-1824 OCC 747 distance=71' 21237-1744 SHN 250 distance=72' 21245-1620 SLN 90 distance=78' 21251-1612 GWP3059 distance=79' 21285-1836 ARA 810 distance=81' 21341-1716 HJ 3037 distance=83' 21247-1835 HJ 3024 distance=96' 21337-1612 A 2096 distance=100' 21230-1605 GWP3055 distance=105' 21332-1836 BRT1568 distance=107' 21282-1906 HJ 3029 distance=111' 21314-1534 RST4088 distance=111' 21357-1639 FAL 72 distance=112' 21352-1616 OCC 170 distance=116' 21278-1911 OCC 58 distance=116' 21211-1811 UC 4453AB distance=118' 21216-1825 ARA 502 distance=120' 21345-1841 UC 4499AB distance=123' 21345-1841 JNN 326Aa,Ab distance=123' 21198-1738 DON1008 distance=126' 21314-1914 SEE 449AB distance=127' 21371-1622 HJ 5282AB distance=137' 21371-1622 HJ 5282BC distance=137' 21355-1846 I 380AB distance=137' 21355-1846 I 380AC distance=137' 21291-1932 RST3286 distance=138' 21375-1618 HJ 5284 distance=144' 21281-1450 RST4085 distance=146' 21288-1450 LDS 745 distance=147' 21353-1915 OCC 70 distance=156' 21174-1746 UC 4430 distance=160' 21242-1948 HU 1312AB distance=164' 21175-1625 KPP3120 distance=164' 21286-1432 LDS1481 distance=165' 21223-1455 BU 1262 distance=166' 21249-1435 FOX 260 distance=169' 21337-1444 HJ 3036 distance=171' 21401-1757 LDS6357 distance=174' 21187-1528 RST4081 distance=176' 21380-1913 LDS 751 distance=181' 21275-2016 BU 683 distance=182' 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 21284-1715 RST3285 242 2.9
Show 21293-1720 LEO 27 AB 3.4 14
Show 21293-1720 SHT 37 AC 326 35.5 14
Show 21293-1720 SHT 37 AD 330 27.1 14
Show 21278-1731 LDS4887 243 53.5 17
Show 21285-1751 LDS 744 146 19.4 37
Show 21313-1716 RST3288 121 3.1 42
Show 21310-1740 HU 1313 224 0.7 46
Show 21269-1632 KPP1601 143 12.2 49
Show 21247-1737 CVR 899 112 9.0 58
Show 21270-1824 OCC 747 -1 0.1 71
Show 21237-1744 SHN 250 -1 0.0 72
Show 21245-1620 SLN 90 8 7.6 78
Show 21251-1612 GWP3059 196 13.6 79
Show 21285-1836 ARA 810 219 15.9 81
Show 21341-1716 HJ 3037 354 26.7 83
Show 21247-1835 HJ 3024 73 14.5 96
Show 21337-1612 A 2096 15 0.9 100
Show 21230-1605 GWP3055 236 74.4 105
Show 21332-1836 BRT1568 132 5.7 107
Show 21282-1906 HJ 3029 352 19.0 111
Show 21314-1534 RST4088 317 1.3 111
Show 21357-1639 FAL 72 153 9.4 112
Show 21352-1616 OCC 170 -1 0.1 116
Show 21278-1911 OCC 58 -1 0.1 116
Show 21211-1811 UC 4453 AB 293 18.2 118
Show 21216-1825 ARA 502 123 6.8 120
Show 21345-1841 UC 4499 AB 293 18.7 123
Show 21345-1841 JNN 326 Aa,Ab 270 0.3 123
Show 21198-1738 DON1008 176 4.7 126
Show 21314-1914 SEE 449 AB 179 2.2 127
Show 21371-1622 HJ 5282 AB 95 20.5 137
Show 21371-1622 HJ 5282 BC 10 29.7 137
Show 21355-1846 I 380 AB 354 1.2 137
Show 21355-1846 I 380 AC 69 42.5 137
Show 21291-1932 RST3286 3 1.6 138
Show 21375-1618 HJ 5284 268 55.9 144
Show 21281-1450 RST4085 279 1.1 146
Show 21288-1450 LDS 745 81 14.3 147
Show 21353-1915 OCC 70 -1 0.1 156
Show 21174-1746 UC 4430 14 12.3 160
Show 21242-1948 HU 1312 AB 86 2.6 164
Show 21175-1625 KPP3120 150 13.5 164
Show 21286-1432 LDS1481 89 3.3 165
Show 21223-1455 BU 1262 109 1.9 166
Show 21249-1435 FOX 260 30 11.0 169
Show 21337-1444 HJ 3036 91 6.1 171
Show 21401-1757 LDS6357 44 8.3 174
Show 21187-1528 RST4081 238 1.7 176
Show 21380-1913 LDS 751 355 18.9 181
Show 21275-2016 BU 683 194 2.9 182

 
 
WDS 21284-1715 : COMPONENTS
 
 
  A
B pa=240.5°
sep=2.85"
 
 
21284-1715 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212821.65-171528.2 Mag 8.6 Spectral class A1V (white)
PmRA 2.00 PmDE -14.0 SAO 164416 HIP 106016
Tycho2 6365-00787-1 HD 204347 BD BD-17 6288
Tycho2
Tycho2 6365-00787-1 Pflag RAmdeg 322.09019277 DEmdeg -17.25785793
PmRA -2.9 PmDE -15.5 E RAmdeg 9 E DEmdeg 11
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.33 EpDEm 1989.53
Num 10 Q RAmdeg 0.9 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.6 BTmag 9.014 E BTmag 0.020 VTmag 8.857
E VTmag 0.019 Prox 999 TYC T HIP 106016
CCDM RAdeg 322.09019944 DEdeg -17.25782083 EpRA 1990 1.68
EpDE 1990 1.45 E RAdeg 9.0 E DEdeg 11.3 Posflg
Corr -0.2
SAO
SAO 164416 DelFlag RA1950 PmRA1950 0.0028
DE1950 PmDE1950 -0.014 Vmag 8.9 SpType A0
Double code Source 22 CatNum 9195 DM BD-17 6288
DMcomp BDsup HD 204347 M HD 0
GC RA1950rad 5.60941326 DE1950rad -0.30501913 PmRA2000 0.0029
PmDE2000 -0.016
Hipparcos
Catalog H HIP 106016 Proxy RAhms 21 28 21.65
DEdms -17 15 28.2 Vmag 8.83 VarFlag R Vmag H
RAdeg 322.09 DEdeg -17.2578 AstroRef Plx 4.1
CCDM 21284-1715 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 204347 BD BD-17 6288
CD CP Dm number -17 6288 VIred 0.09
SpType A1V R SpType Coord arcsec 2000 212821.65-171528.2
Hipparcos 2
HIP 106016 Sn 5 So 0 Nc 1
RArad 5.6215344957 DErad -0.3012058409 Plx 4.47 PmRA -5.72
PmDE -14.25 E RArad 0.8 E DErad 0.48 E Plx 0.96
E pmRA 0.93 E pmDE 0.55 Hpmag 8.8876 E Hpmag 0.0019
SHp 0.016 VA 0 BV 0.151 E BV 0.025
VI 0.17
CCDM
Ccdm 21284-1715 RComp Comp A Note1
Note2 Discov num DRAs -2.17 DDEs -28.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A0 PmNote *
PmRA 40 PmDE -14 Dm number -17 6288 Cat1 BD
Name2 164416 Cat2 SAO HD 204347 M HD
ADS BDS M ADS BDS N IDS IDS 21228S1742A
HIC 106016
 
 
21284-1715 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212821.48-171529.6 Mag 14 Calc delta mag 5.4
Calc coord yes
CCDM
Ccdm 21284-1715 RComp Comp B Note1
Note2 Discov num RST3285 DRAs DDEs
R dRAs Year 1934 Theta 242 Rho 2.8
Obs 3 Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21228S1742B
HIC 106016