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Doubles in session


Current system
03161-0204
RST 4756
HD 20331


Nearby doubles
35' : 03144-0227
GWP 440

55' : 03193-0232
GWP 449

61' : 03175-0107
GWP 445

72' : 03127-0254
HJ 3554

73' : 03128-0112
HJ 663AB

76' : 03189-0101
BU 1177

87' : 03188-0321
GWP 447

88' : 03167-0332
TOK 78AB

96' : 03199-0321
GWP 450

98' : 03226-0210
GWP 456

102' : 03216-0105
BAL 284

110' : 03130-0343
GWP 434

117' : 03096-0100
HDS 405

119' : 03239-0136
BAL 285

126' : 03080-0135
GWP 425

126' : 03237-0109
TDS2536

127' : 03240-0118
LDS5423

127' : 03113-0349
BU 400

132' : 03174+0006
GAU 3

136' : 03252-0212
ITF 251

137' : 03192-0005
BAL 657

139' : 03128-0414
STF 365AB

142' : 03233-0337
GWP 460

146' : 03252-0111
SKF1684

147' : 03227-0353
BRT 362

147' : 03085-0335
BU 528AB



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.

03161-0204 RST 4756 (HD 20331)

 
 
03h 16m 08.46s -02° 04' 18.7" P.A. 124.00 sep 0.5 mag 10.20,10.34 Sp G0
 
 
Coord 2000 03161-0204 Discov num RST4756 Comp Coord arcsec 2000 03 16 08.46 -02 04 18.7
Date first 1941 Date last 1991 Obs 5
Pa first 132 Pa last 123.8 P.A. Now (θ) 123.8°
Sep first 0.7 Sep last 0.49 Sep. Now (ρ) 0.49"
Mag pri 10.20 Mag sec 10.34 delta mag (ΔM) 0.14 Spectral class G0 (yellow)
Pri motion ra +011 Sec motion ra +011
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 20331 Constellation Eridanus SAO 130389 Tycho2 4708-01128-1
Gaia DR2 3262178504859192448 HD 20331
 
 
WDS 03161-0204 RST 4756 (HD 20331) : 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
03161-0204 RST4756 1991 5 124 0.5 10.20 10.34 G0 031608.46-020418.7

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

 
 
WDS 03161-0204 RST 4756 (HD 20331) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03161-0204 RST 4756 (HD 20331) : MEASURES
 
 
No records found.

 
 
WDS 03161-0204 (HD 20331) : VIRTUAL EYEPIECE
 
 

03161-0204 RST4756A mag 10.2 Sp G0 03161-0204 RST4756B sep 0.5 P.A. 123.80 mag 10.34 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03161-0204 (HD 20331) : ALADIN DSS IMAGE @ 03h 16m 08.46s -02° 04' 18.7"
 
 
 
 
WDS 03161-0204 RST 4756 (HD 20331) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03161-0204 RST4756 distance=0' 03144-0227 GWP 440 distance=35' 03193-0232 GWP 449 distance=55' 03175-0107 GWP 445 distance=61' 03127-0254 HJ 3554 distance=72' 03128-0112 HJ 663AB distance=73' 03128-0112 LAF 30AC distance=73' 03128-0112 LAF 30AD distance=73' 03128-0112 LAF 30AE distance=73' 03128-0112 TOK 654AF distance=73' 03128-0112 HJ 663Ba,Bb distance=73' 03189-0101 BU 1177 distance=76' 03188-0321 GWP 447 distance=87' 03167-0332 TOK 189Aa,Ab distance=88' 03167-0332 TOK 78AB distance=88' 03214-0257 ITF 279AC distance=95' 03199-0321 GWP 450 distance=96' 03226-0210 GWP 456 distance=98' 03216-0105 BAL 284 distance=102' 03130-0343 GWP 434 distance=110' 03096-0100 HDS 405 distance=117' 03239-0136 BAL 285 distance=119' 03080-0135 GWP 425 distance=126' 03237-0109 TDS2536 distance=126' 03240-0118 LDS5423 distance=127' 03113-0349 BU 400 distance=127' 03174+0006 GAU 3 distance=132' 03252-0212 ITF 251 distance=136' 03192-0005 BAL 657 distance=137' 03128-0414 TDS2479Aa,Ab distance=139' 03128-0414 STF 365AB distance=139' 03233-0337 GWP 460 distance=142' 03252-0111 SKF1684 distance=146' 03227-0353 BRT 362 distance=147' 03085-0335 FOX9023CD distance=147' 03085-0335 BU 528AB distance=147' 03085-0335 BU 528AC distance=147' 03088-0341 STF 358 distance=148' 03254-0109 SCJ 2 distance=150' 03164-0025 A 1285 distance=150' 03192+0022 SKF1680 distance=154' 03245-0332 YSC 26 distance=154' 03104-0004 GWP 429 distance=155' 03107+0010 BAL 654 distance=157' 03188-0028 ABT 3 distance=158' 03188+0030 SLW 150 distance=160' 03056-0238 GWP 419 distance=163' 03216-0017 SKF1681 distance=163' 03052-0156 GWP 417 distance=164' 03263-0102 STF 393 distance=165' 03266-0106 RST4757 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 03161-0204 RST4756 124 0.5
Show 03144-0227 GWP 440 190 17.7 35
Show 03193-0232 GWP 449 233 18.2 55
Show 03175-0107 GWP 445 76 421.5 61
Show 03127-0254 HJ 3554 353 21.5 72
Show 03128-0112 HJ 663 AB 195 2.3 73
Show 03128-0112 LAF 30 AC 187 6.2 73
Show 03128-0112 LAF 30 AD 185 6.3 73
Show 03128-0112 LAF 30 AE 73 11.6 73
Show 03128-0112 TOK 654 AF 137 999.9 73
Show 03128-0112 HJ 663 Ba,Bb 102 0.0 73
Show 03189-0101 BU 1177 193 0.6 76
Show 03188-0321 GWP 447 320 106.0 87
Show 03167-0332 TOK 189 Aa,Ab 122 0.8 88
Show 03167-0332 TOK 78 AB 295 14.0 88
Show 03214-0257 ITF 279 AC 179 16.1 95
Show 03199-0321 GWP 450 249 89.2 96
Show 03226-0210 GWP 456 305 19.9 98
Show 03216-0105 BAL 284 230 4.8 102
Show 03130-0343 GWP 434 317 14.0 110
Show 03096-0100 HDS 405 61 0.3 117
Show 03239-0136 BAL 285 190 14.1 119
Show 03080-0135 GWP 425 352 30.7 126
Show 03237-0109 TDS2536 251 0.4 126
Show 03240-0118 LDS5423 187 22.7 127
Show 03113-0349 BU 400 55 25.2 127
Show 03174+0006 GAU 3 261 5.5 132
Show 03252-0212 ITF 251 86 3.9 136
Show 03192-0005 BAL 657 3 10.3 137
Show 03128-0414 TDS2479 Aa,Ab 72 0.5 139
Show 03128-0414 STF 365 AB 143 13.0 139
Show 03233-0337 GWP 460 134 11.6 142
Show 03252-0111 SKF1684 265 2.9 146
Show 03227-0353 BRT 362 352 4.4 147
Show 03085-0335 FOX9023 CD 155 17.4 147
Show 03085-0335 BU 528 AB 329 0.1 147
Show 03085-0335 BU 528 AC 103 49.4 147
Show 03088-0341 STF 358 349 15.2 148
Show 03254-0109 SCJ 2 183 16.9 150
Show 03164-0025 A 1285 289 1.8 150
Show 03192+0022 SKF1680 173 1.9 154
Show 03245-0332 YSC 26 52 1.1 154
Show 03104-0004 GWP 429 357 7.7 155
Show 03107+0010 BAL 654 224 5.9 157
Show 03188-0028 ABT 3 343 11.9 158
Show 03188+0030 SLW 150 328 14.2 160
Show 03056-0238 GWP 419 166 65.8 163
Show 03216-0017 SKF1681 49 4.9 163
Show 03052-0156 GWP 417 174 25.0 164
Show 03263-0102 STF 393 257 15.5 165
Show 03266-0106 RST4757 124 2.6 168

 
 
WDS 03161-0204 : COMPONENTS
 
 
  A
B pa=123.8°
sep=0.49"
 
 
03161-0204 A
 
 
Componente originario normalizzato AB Name HD 20331 Coord arcsec 2000 031608.46-020418.7 Mag 10.2
Spectral class G0 (yellow) PmRA 11.00 PmDE -15.0 SAO 130389
Tycho2 4708-01128-1 HD 20331 DM BD-02 587
Tycho2
Tycho2 4708-01128-1 Pflag RAmdeg 49.03531112 DEmdeg -2.07191251
PmRA 10.6 PmDE -14.6 E RAmdeg 14 E DEmdeg 17
E pmRA 1.2 E pmDE 1.2 EpRAm 1988.78 EpDEm 1985.86
Num 9 Q RAmdeg 0.9 Q DEmdeg 1.6 Q pmRA 0.8
Q pmDE 1.6 BTmag 10.314 E BTmag 0.034 VTmag 9.620
E VTmag 0.026 Prox 999 TYC T HIP
CCDM RAdeg 49.03528556 DEdeg -2.07187222 EpRA 1990 1.70
EpDE 1990 1.70 E RAdeg 15.1 E DEdeg 19.7 Posflg P
Corr -0.1
SAO
SAO 130389 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.026 Vmag 8.9 SpType G0
Double code Source 27 CatNum 783 DM BD-02 587
DMcomp BDsup HD 20331 M HD 0
GC RA1950rad 0.84478222 DE1950rad -0.03936623 PmRA2000 0.0022
PmDE2000 -0.029
CCDM
Ccdm 03161-0204 RComp Comp A Note1
Note2 Discov num DRAs 2.53 DDEs -20.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp G0 PmNote *
PmRA 28 PmDE -26 Dm number -02 587 Cat1 BD
Name2 130389 Cat2 SAO HD 20331 M HD
ADS BDS M ADS BDS N IDS IDS 03111S0226A
HIC
 
 
03161-0204 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 031608.49-020419.0 Mag 10.34 PmRA 11.00
PmDE -15.0 Calc delta mag 0.14 Calc coord yes
CCDM
Ccdm 03161-0204 RComp Comp B Note1
Note2 Discov num RST4756 DRAs DDEs
R dRAs Year 1941 Theta 130 Rho 0.7
Obs 5 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 03111S0226B
HIC