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Current system
21282-5510
R 331
HD 204084


Nearby doubles
49' : 21244-5435
HU 1537

59' : 21233-5429
TVB 319

61' : 21226-5547
HU 1536

64' : 21354-5523
HJ 5276

71' : 21218-5428
UC 4458

75' : 21358-5435
RST5554

78' : 21192-5455
BRT3188

85' : 21324-5626
UC 4489

104' : 21164-5451
HDS3026

106' : 21362-5632
UC 4506AB

107' : 21174-5419
RST3282

111' : 21408-5535
TDT3103

116' : 21161-5421
TDT2870

119' : 21419-5456
BRT3189

121' : 21149-5552
WSP 46AB

123' : 21418-5435
TDT3113

124' : 21199-5331
ARY 79

124' : 21146-5552
HU 1535

126' : 21404-5402
TOI2203

127' : 21199-5327
HJ 5258AB

128' : 21353-5318
HJ 5277

130' : 21392-5641
KPP 572

135' : 21263-5257
RST1089

135' : 21143-5615
HU 1534

139' : 21141-5428
LDS 735

144' : 21208-5302
LWR 18AB



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

21282-5510 R 331 (HD 204084)

 
 
21h 28m 13.34s -55° 10' 03.7" P.A. 106.00 sep 29.0 mag 9.65,10.14 Sp F3/5V
 
 
Coord 2000 21282-5510 Discov num R   331 Comp Coord arcsec 2000 21 28 13.34 -55 10 03.7
Date first 1880 Date last 2015 Obs 15
Pa first 110 Pa last 106.3 P.A. Now (θ) 106.3°
Sep first 31.5 Sep last 29.011 Sep. Now (ρ) 29.011"
Mag pri 9.65 Mag sec 10.14 delta mag (ΔM) 0.49 Spectral class F3/5V (yellow-white)
Pri motion ra +014 Sec motion ra -011
Pri motion dec -016 Sec motion dec -010
Notes N (See Notes)
rPM=1.209
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204084 Constellation Indus SAO 247037 Tycho2 8810-00742-1
Gaia DR2 6460363367102459008 HD 204084
 
 
WDS 21282-5510 R 331 (HD 204084) : NOTES
 
 
discov_num notes refcode
R 331 CPD-55@9593.
 
 
REFERENCES
 
 
refcode metd author reference
R__1871 Ma - Russell, H.C. 1884QB821.R94......
R__1871 Sydney Obs. Results, 1871-1881
R__1882 Ma j Russell, H.C. 1882MmRAS..47..109R
R__1882 MemRAS 47, 109, 1882
R__1892 Ma - Russell, H.C. 1892MmRAS..50...57R
R__1892 MemRAS 50, 57, 1892
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21282-5510 R 331 1999 12 106 29.4 9.65 10.14 F3/5V N D 212813.34-551003.7
21282-5510 R 331 2010 14 107 29.1 9.65 10.14 F3/5V N 212813.34-551003.7
21282-5510 R 331 2015 15 106 29.0 9.65 10.14 F3/5V N 212813.34-551003.7

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

 
 
WDS 21282-5510 R 331 (HD 204084) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21282-5510 R 331 (HD 204084) : MEASURES
 
 
No records found.

 
 
WDS 21282-5510 (HD 204084) : VIRTUAL EYEPIECE
 
 

21282-5510 R 331A mag 9.65 Sp F3/5V 21282-5510 R 331B sep 17.9 P.A. 117.10 mag 10.14 virtual eyepiece
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Radius:
Components only
 
 
WDS 21282-5510 (HD 204084) : ALADIN DSS IMAGE @ 21h 28m 13.34s -55° 10' 03.7"
 
 
 
 
WDS 21282-5510 R 331 (HD 204084) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21282-5510 R 331 distance=0' 21244-5435 HU 1537 distance=49' 21233-5429 TVB 319 distance=59' 21226-5547 HU 1536 distance=61' 21354-5523 HJ 5276 distance=64' 21218-5428 UC 4458 distance=71' 21358-5435 RST5554 distance=75' 21192-5455 BRT3188 distance=78' 21324-5626 UC 4489 distance=85' 21164-5451 HDS3026 distance=104' 21362-5632 UC 4506AB distance=106' 21174-5419 RST3282 distance=107' 21408-5535 TDT3103 distance=111' 21161-5421 TDT2870 distance=116' 21419-5456 BRT3189 distance=119' 21149-5552 WSP 46AB distance=121' 21149-5552 WSP 46AC distance=121' 21418-5435 TDT3113 distance=123' 21199-5331 ARY 79 distance=124' 21146-5552 HU 1535 distance=124' 21404-5402 TOI2203 distance=126' 21199-5327 HJ 5258AB distance=127' 21199-5327 MRN 3Aa,Ab distance=127' 21353-5318 HJ 5277 distance=128' 21392-5641 KPP 572 distance=130' 21263-5257 RST1089 distance=135' 21143-5615 HU 1534 distance=135' 21141-5428 LDS 735 distance=139' 21208-5302 LWR 18AB distance=144' 21208-5302 SHY 340AC distance=144' 21116-5533 UC 4398 distance=144' 21249-5732 GAO 3 distance=145' 21351-5250 RST1096 distance=153' 21445-5408 HJ 5290 distance=155' 21104-5434 HJ 5246 distance=158' 21158-5316 FIN 329 distance=159' 21472-5512 RST1108 distance=163' 21462-5419 LDS 754AB distance=164' 21420-5706 KPP1729 distance=164' 21452-5346 TDT3138 distance=170' 21209-5229 UC 4449 distance=174' 21210-5229 CVN 66AB distance=174' 21210-5229 CVN 66AC distance=174' 21210-5229 CVN 66Aa,Ab distance=174' 21386-5750 TDT3079 distance=182' 21440-5720 JC 25AB distance=185' 21440-5720 JC 25AC distance=185' 21408-5742 UC 4523 distance=185' 21387-5228 UC 4518 distance=187' 21411-5744 B 2497 distance=188' 21173-5758 NSN 447 distance=191' 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 21282-5510 R 331 106 29.0
Show 21244-5435 HU 1537 353 3.5 49
Show 21233-5429 TVB 319 359 14.7 59
Show 21226-5547 HU 1536 172 5.2 61
Show 21354-5523 HJ 5276 31 13.5 64
Show 21218-5428 UC 4458 171 11.4 71
Show 21358-5435 RST5554 254 1.2 75
Show 21192-5455 BRT3188 77 4.6 78
Show 21324-5626 UC 4489 24 17.7 85
Show 21164-5451 HDS3026 223 0.4 104
Show 21362-5632 UC 4506 AB 69 60.9 106
Show 21174-5419 RST3282 277 0.5 107
Show 21408-5535 TDT3103 68 0.5 111
Show 21161-5421 TDT2870 246 1.0 116
Show 21419-5456 BRT3189 293 4.5 119
Show 21149-5552 WSP 46 AB 66 9.3 121
Show 21149-5552 WSP 46 AC 292 17.5 121
Show 21418-5435 TDT3113 301 0.5 123
Show 21199-5331 ARY 79 98 29.2 124
Show 21146-5552 HU 1535 217 8.6 124
Show 21404-5402 TOI2203 81 0.1 126
Show 21199-5327 HJ 5258 AB 269 7.3 127
Show 21199-5327 MRN 3 Aa,Ab 21 0.1 127
Show 21353-5318 HJ 5277 59 14.9 128
Show 21392-5641 KPP 572 65 5.3 130
Show 21263-5257 RST1089 99 1.0 135
Show 21143-5615 HU 1534 346 5.5 135
Show 21141-5428 LDS 735 60 15.3 139
Show 21208-5302 LWR 18 AB 230 13.6 144
Show 21208-5302 SHY 340 AC 3 999.9 144
Show 21116-5533 UC 4398 100 7.2 144
Show 21249-5732 GAO 3 50 35.7 145
Show 21351-5250 RST1096 188 2.0 153
Show 21445-5408 HJ 5290 291 11.1 155
Show 21104-5434 HJ 5246 135 3.4 158
Show 21158-5316 FIN 329 92 0.2 159
Show 21472-5512 RST1108 104 1.6 163
Show 21462-5419 LDS 754 AB 270 32.7 164
Show 21420-5706 KPP1729 177 13.4 164
Show 21452-5346 TDT3138 247 0.7 170
Show 21209-5229 UC 4449 284 51.6 174
Show 21210-5229 CVN 66 AB 48 3.3 174
Show 21210-5229 CVN 66 AC 161 5.9 174
Show 21210-5229 CVN 66 Aa,Ab 238 0.1 174
Show 21386-5750 TDT3079 289 0.6 182
Show 21440-5720 JC 25 AB 4 152.3 185
Show 21440-5720 JC 25 AC 214 187.0 185
Show 21408-5742 UC 4523 226 34.4 185
Show 21387-5228 UC 4518 48 50.8 187
Show 21411-5744 B 2497 234 9.9 188
Show 21173-5758 NSN 447 123 6.9 191

 
 
WDS 21282-5510 : COMPONENTS
 
 
  A
B pa=117.1°
sep=17.87"
 
 
21282-5510 A
 
 
Componente originario normalizzato AB Name HD 204084 Coord arcsec 2000 212813.34-551003.7 Mag 9.65
Spectral class F3/5V (yellow-white) PmRA 14.00 PmDE -16.0 SAO 247037
Tycho2 8810-00742-1 HD 204084 DM CP-55 9592
Tycho2
Tycho2 8810-00742-1 Pflag RAmdeg 322.05557553 DEmdeg -55.16769075
PmRA 16.5 PmDE -22.0 E RAmdeg 15 E DEmdeg 15
E pmRA 1.5 E pmDE 1.5 EpRAm 1988.12 EpDEm 1987.59
Num 9 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.6 BTmag 10.138 E BTmag 0.029 VTmag 9.645
E VTmag 0.026 Prox 296 TYC T HIP
CCDM RAdeg 322.05550972 DEdeg -55.16764083 EpRA 1990 1.73
EpDE 1990 1.67 E RAdeg 15.7 E DEdeg 17.1 Posflg
Corr -0.2
SAO
SAO 247037 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 -0.019 Vmag 9.7 SpType F5
Double code Source 42 CatNum 8370 DM CP-55 9592
DMcomp BDsup HD 204084 M HD 0
GC RA1950rad 5.6053835 DE1950rad -0.96666197 PmRA2000 -0.0013
PmDE2000 -0.023
CCDM
Ccdm 21282-5510 RComp Comp A Note1
Note2 Discov num DRAs 1.15 DDEs -3.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp F5 PmNote *
PmRA -8 PmDE -19 Dm number -55 9592 Cat1 CPD
Name2 247037 Cat2 SAO HD 204084 M HD
ADS BDS M ADS BDS N IDS IDS 21211S5536A
HIC
 
 
21282-5510 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212815.20-551011.8 Mag 10.14 PmRA -11.00
PmDE -10.0 Tycho2 8810-00937-1 Calc delta mag 0.49 Calc coord yes
Tycho2
Tycho2 8810-00937-1 Pflag RAmdeg 322.06925103 DEmdeg -55.17001340
PmRA -8.5 PmDE -7.9 E RAmdeg 23 E DEmdeg 24
E pmRA 1.8 E pmDE 1.8 EpRAm 1983.68 EpDEm 1982.76
Num 6 Q RAmdeg 1.6 Q DEmdeg 0.7 Q pmRA 1.6
Q pmDE 0.7 BTmag 11.242 E BTmag 0.062 VTmag 10.142
E VTmag 0.036 Prox 296 TYC T HIP
CCDM RAdeg 322.06928278 DEdeg -55.16999417 EpRA 1990 1.74
EpDE 1990 1.70 E RAdeg 27.6 E DEdeg 29.9 Posflg
Corr -0.2
CCDM
Ccdm 21282-5510 RComp Comp B Note1
Note2 Discov num R 331 DRAs 4.59 DDEs -12.8
R dRAs 10 Year 1880 Theta 108 Rho 31.5
Obs 3 Vmag 9.9 Sp G5 PmNote
PmRA PmDE Dm number -55 9593 Cat1 CPD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 21211S5536B
HIC