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Doubles in session


Current system
21324-2058
LDS 6354
HD 204941


Nearby doubles
23' : 21308-2055
UC 4481

64' : 21337-2158
HDS3068

70' : 21308-2204
OL 76

75' : 21282-2144
EGN 26

80' : 21376-2026
YSC 119

80' : 21336-2216
ARA1941

81' : 21314-2217
HJ 3030

81' : 21275-2016
BU 683

83' : 21342-2215
DON1011

84' : 21384-2058
ARA1586

90' : 21264-2025
HLD 166AB

97' : 21291-1932
RST3286

104' : 21270-2208
ALD 16

105' : 21314-1914
SEE 449AB

111' : 21353-1915
OCC 70

112' : 21371-1928
H 6 6AB

118' : 21403-2137
KPP1262

119' : 21267-2225
SEE 446AB

120' : 21297-2251
LDS4889

124' : 21410-2038
ARA1587

125' : 21278-1911
OCC 58

127' : 21282-1906
HJ 3029

131' : 21380-1913
LDS 751

135' : 21242-1948
HU 1312AB

139' : 21355-1846
I 380AB

140' : 21345-1841
UC 4499AB



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.

21324-2058 LDS 6354 (HD 204941)

 
 
21h 32m 23.51s -20° 57' 26.7" P.A. 219.00 sep 56.1 mag 8.60,11.39 Sp K2V+M0V dist. 34.41 pc (112.25 l.y.)
 
 
Coord 2000 21324-2058 Discov num LDS6354 Comp Coord arcsec 2000 21 32 23.51 -20 57 26.7
Date first 1920 Date last 2016 Obs 15
Pa first 219 Pa last 219.1 P.A. Now (θ) 219.1°
Sep first 56.2 Sep last 56.068 Sep. Now (ρ) 56.068"
Mag pri 8.60 Mag sec 11.39 delta mag (ΔM) 2.79 Spectral class K2V+M0V (yellow-orange/red)
Pri motion ra -279 Sec motion ra -285
Pri motion dec -124 Sec motion dec -123
Notes N T (See Notes, Parallax indicates physical)
rPM=0.02 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204941 Constellation Capricornus SAO 190421 HIP 106350
Tycho2 6373-00214-1 Gaia DR2 6830027182179257472 HD 204941 GC 30147
BD BD-21 6035 Distance 34.41 Distance ly 112.25
 
 
WDS 21324-2058 LDS 6354 (HD 204941) : NOTES
 
 
discov_num notes refcode
LDS6354 CPD-21@7952. Also known as RSS 562.
NLTT 51476/51475 Chm2004
SHY 342. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21324-2058 LDS6354 2000 8 219 56.0 8.60 11.39 K1/K2V NYD 213223.51-205726.7
21324-2058 LDS6354 2013 10 219 56.6 8.60 11.39 K1/K2V NY V 213223.51-205726.7
21324-2058 LDS6354 2015 14 219 56.0 8.60 11.39 K1/K2V NVWY 213223.51-205726.7
21324-2058 LDS6354 2016 15 219 56.1 8.60 11.39 K2V+M0V NT 213223.51-205726.7

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

 
 
WDS 21324-2058 LDS 6354 (HD 204941) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21324-2058 LDS 6354 (HD 204941) : MEASURES
 
 
No records found.

 
 
WDS 21324-2058 (HD 204941) : VIRTUAL EYEPIECE
 
 

21324-2058 LDS6354A mag 8.6 Sp K2V 21324-2058 LDS6354B sep 54.6 P.A. 217.20 mag 11.39 Sp M0V 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 21324-2058 (HD 204941) : ALADIN DSS IMAGE @ 21h 32m 23.51s -20° 57' 26.7"
 
 
 
 
WDS 21324-2058 LDS 6354 (HD 204941) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21324-2058 LDS6354 distance=0' 21308-2055 UC 4481 distance=23' 21337-2158 HDS3068 distance=64' 21308-2204 OL 76 distance=70' 21282-2144 EGN 26 distance=75' 21376-2026 YSC 119 distance=80' 21336-2216 ARA1941 distance=80' 21314-2217 HJ 3030 distance=81' 21275-2016 BU 683 distance=81' 21342-2215 DON1011 distance=83' 21384-2058 ARA1586 distance=84' 21264-2025 HLD 166AB distance=90' 21264-2025 HWE 56AC distance=90' 21291-1932 RST3286 distance=97' 21270-2208 ALD 16 distance=104' 21314-1914 SEE 449AB distance=105' 21353-1915 OCC 70 distance=111' 21371-1928 H 6 6AB distance=112' 21371-1928 BU 9024AC distance=112' 21403-2137 KPP1262 distance=118' 21267-2225 SEE 446AB distance=119' 21267-2225 SZM 3AC distance=119' 21297-2251 LDS4889 distance=120' 21410-2038 ARA1587 distance=124' 21278-1911 OCC 58 distance=125' 21282-1906 HJ 3029 distance=127' 21380-1913 LDS 751 distance=131' 21242-1948 HU 1312AB distance=135' 21355-1846 I 380AB distance=139' 21355-1846 I 380AC distance=139' 21345-1841 UC 4499AB distance=140' 21345-1841 JNN 326Aa,Ab distance=140' 21332-1836 BRT1568 distance=142' 21395-1913 HJ 3043 distance=145' 21429-2119 TDT3120 distance=149' 21238-2227 TDT2943 distance=149' 21226-1957 BHA 45 distance=150' 21285-1836 ARA 810 distance=152' 21250-2250 UC 4466 distance=152' 21430-2025 SEE 456 distance=153' 21402-2245 UC 4522 distance=154' 21415-2228 UC 4527 distance=157' 21212-2138 KPP1448 distance=162' 21405-2301 ARA2279 distance=168' 21220-2224 HJ 5265 distance=169' 21406-1854 OCC9197 distance=170' 21416-1907 UC 4529 distance=171' 21261-2325 HJ 5269 distance=172' 21270-1824 OCC 747 distance=172' 21432-1937 OCC9199 distance=173' 21209-1953 SKF 928 distance=174' 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 21324-2058 LDS6354 219 56.1
Show 21308-2055 UC 4481 306 15.7 23
Show 21337-2158 HDS3068 80 0.5 64
Show 21308-2204 OL 76 346 2.4 70
Show 21282-2144 EGN 26 205 6.2 75
Show 21376-2026 YSC 119 232 0.4 80
Show 21336-2216 ARA1941 9 12.1 80
Show 21314-2217 HJ 3030 114 9.4 81
Show 21275-2016 BU 683 194 2.9 81
Show 21342-2215 DON1011 304 0.7 83
Show 21384-2058 ARA1586 43 11.7 84
Show 21264-2025 HLD 166 AB 68 2.8 90
Show 21264-2025 HWE 56 AC 160 5.1 90
Show 21291-1932 RST3286 3 1.6 97
Show 21270-2208 ALD 16 300 3.5 104
Show 21314-1914 SEE 449 AB 179 2.2 105
Show 21353-1915 OCC 70 -1 0.1 111
Show 21371-1928 H 6 6 AB 46 65.8 112
Show 21371-1928 BU 9024 AC 164 62.7 112
Show 21403-2137 KPP1262 176 9.7 118
Show 21267-2225 SEE 446 AB 14 16.3 119
Show 21267-2225 SZM 3 AC 76 85.0 119
Show 21297-2251 LDS4889 289 1.7 120
Show 21410-2038 ARA1587 208 11.5 124
Show 21278-1911 OCC 58 -1 0.1 125
Show 21282-1906 HJ 3029 352 19.0 127
Show 21380-1913 LDS 751 355 18.9 131
Show 21242-1948 HU 1312 AB 86 2.6 135
Show 21355-1846 I 380 AB 354 1.2 139
Show 21355-1846 I 380 AC 69 42.5 139
Show 21345-1841 UC 4499 AB 293 18.7 140
Show 21345-1841 JNN 326 Aa,Ab 270 0.3 140
Show 21332-1836 BRT1568 132 5.7 142
Show 21395-1913 HJ 3043 150 34.8 145
Show 21429-2119 TDT3120 281 0.9 149
Show 21238-2227 TDT2943 226 0.4 149
Show 21226-1957 BHA 45 203 4.3 150
Show 21285-1836 ARA 810 219 15.9 152
Show 21250-2250 UC 4466 200 56.3 152
Show 21430-2025 SEE 456 59 3.3 153
Show 21402-2245 UC 4522 214 11.3 154
Show 21415-2228 UC 4527 41 61.6 157
Show 21212-2138 KPP1448 333 10.9 162
Show 21405-2301 ARA2279 276 14.2 168
Show 21220-2224 HJ 5265 190 32.3 169
Show 21406-1854 OCC9197 -1 0.0 170
Show 21416-1907 UC 4529 171 54.7 171
Show 21261-2325 HJ 5269 342 8.2 172
Show 21270-1824 OCC 747 -1 0.1 172
Show 21432-1937 OCC9199 -1 0.0 173
Show 21209-1953 SKF 928 47 14.0 174

 
 
WDS 21324-2058 : COMPONENTS
 
 
  A
B pa=217.2°
sep=54.62"
 
 
21324-2058 A
 
 
Componente originario normalizzato AB Name HD 204941 Coord arcsec 2000 213223.51-205726.7 Mag 8.6
Spectral class K2V (yellow-orange) PmRA -279.00 PmDE -124.0 SAO 190421
HIP 106353 Tycho2 6373-00214-1 HD 204941 GC 30147
BD BD-21 6035
Tycho2
Tycho2 6373-00214-1 Pflag RAmdeg 323.09796065 DEmdeg -20.95742265
PmRA -279.3 PmDE -124.6 E RAmdeg 8 E DEmdeg 9
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.73 EpDEm 1990.40
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 9.575 E BTmag 0.022 VTmag 8.522
E VTmag 0.014 Prox 560 TYC T HIP 106353
CCDM RAdeg 323.09865667 DEdeg -20.95712917 EpRA 1990 1.62
EpDE 1990 1.52 E RAdeg 8.0 E DEdeg 9.3 Posflg
Corr -0.2
SAO
SAO 190421 DelFlag RA1950 PmRA1950 -0.0219
DE1950 PmDE1950 -0.136 Vmag 8.6 SpType K0
Double code Source 70 CatNum 30147 DM BD-21 6035
DMcomp BDsup HD 204941 M HD 0
GC 30147 RA1950rad 5.62687415 DE1950rad -0.3696188 PmRA2000 -0.0218
PmDE2000 -0.14
Hipparcos
Catalog H HIP 106353 Proxy RAhms 21 32 23.68
DEdms -20 57 25.6 Vmag 8.45 VarFlag R Vmag G
RAdeg 323.099 DEdeg -20.9571 AstroRef Plx 37.1
CCDM 21324-2058 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 204941 BD BD-21 6035
CD CP Dm number -21 6035 VIred 0.89
SpType K1/K2V R SpType Coord arcsec 2000 213223.68-205725.6
Hipparcos 2
HIP 106353 Sn 5 So 0 Nc 1
RArad 5.6391358326 DErad -0.365770739 Plx 37.17 PmRA -279.35
PmDE -125.28 E RArad 0.9 E DErad 0.66 E Plx 1.05
E pmRA 1.1 E pmDE 0.59 Hpmag 8.5956 E Hpmag 0.0016
SHp 0.013 VA 0 BV 0.878 E BV 0.002
VI 0.92
CCDM
Ccdm 21324-2058 RComp Comp A Note1
Note2 Discov num DRAs -0.54 DDEs 32.9
R dRAs 40 Year Theta Rho
Obs 2 Vmag 8.5 Sp K0 PmNote
PmRA -306 PmDE -137 Dm number -21 6035 Cat1 BD
Name2 190421 Cat2 SAO HD 204941 M HD
ADS BDS M ADS BDS N IDS * IDS 21267S2124A
HIC 106353
 
 
21324-2058 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213221.15-205810.2 Mag 11.39 Spectral class M0V (red)
PmRA -285.00 PmDE -123.0 HIP 106350 Calc delta mag 2.79
Calc coord yes
Hipparcos
Catalog H HIP 106350 Proxy RAhms 21 32 21.17
DEdms -20 58 09.1 Vmag 11.39 VarFlag R Vmag H
RAdeg 323.088 DEdeg -20.9692 AstroRef Plx 30.64
CCDM 21324-2058 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.74
SpType R SpType Coord arcsec 2000 213221.17-205809.1
Hipparcos 2
HIP 106350 Sn 5 So 0 Nc 1
RArad 5.6389527722 DErad -0.3659816374 Plx 29.06 PmRA -289.9
PmDE -126.1 E RArad 2.73 E DErad 1.86 E Plx 3.11
E pmRA 3.31 E pmDE 1.78 Hpmag 11.5298 E Hpmag 0.0069
SHp 0.06 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 21324-2058 RComp Comp B Note1
Note2 Discov num RSU DRAs -3.07 DDEs -10.5
R dRAs 40 Year 1976 Theta 219 Rho 55.9
Obs 1 Vmag 10.8 Sp PmNote
PmRA -309 PmDE -138 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 21267S2124B
HIC 106350