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Doubles in session


Current system
03281-0229
RST 4228
HD 21517


Nearby doubles
17' : 03292-0226
GWP 471

48' : 03252-0212
ITF 251

58' : 03320-0223
BRT 363

73' : 03328-0247
GWP 477

81' : 03335-0233
STF 417

84' : 03245-0332
YSC 26

84' : 03239-0136
BAL 285

86' : 03226-0210
GWP 456

86' : 03266-0106
RST4757

90' : 03252-0111
SKF1684

90' : 03254-0109
SCJ 2

92' : 03263-0102
STF 393

94' : 03240-0118
LDS5423

99' : 03233-0337
GWP 460

100' : 03249-0356
GWP 467

104' : 03237-0109
TDS2536

105' : 03304-0408
KPP3531

114' : 03307-0416
STF 408

118' : 03227-0353
BRT 362

126' : 03284-0434
BU 1180AB

128' : 03263-0433
RST4227

130' : 03216-0105
BAL 284

130' : 03361-0320
J 1457

134' : 03193-0232
GWP 449

134' : 03199-0321
GWP 450

138' : 03254-0441
LDS3492



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.

03281-0229 RST 4228 (HD 21517)

 
 
03h 28m 08.74s -02° 28' 46.6" P.A. 29.00 sep 1.4 mag 8.20,12.30 Sp F5 dist. 112.99 pc (368.57 l.y.)
 
 
Coord 2000 03281-0229 Discov num RST4228 Comp Coord arcsec 2000 03 28 08.74 -02 28 46.6
Date first 1939 Date last 2015 Obs 5
Pa first 12 Pa last 29.4 P.A. Now (θ) 29.4°
Sep first 1.3 Sep last 1.44 Sep. Now (ρ) 1.44"
Mag pri 8.20 Mag sec 12.30 delta mag (ΔM) 4.1 Spectral class F5 (yellow-white)
Pri motion ra +049 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21517 Constellation Eridanus SAO 130506 HIP 16151
Tycho2 4709-00127-1 Gaia DR2 3261308065311360128 HD 21517 BD BD-02 633
Distance 112.99 Distance ly 368.57
 
 
WDS 03281-0229 RST 4228 (HD 21517) : 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
03281-0229 RST4228 1987 4 331 0.8 8.20 12.30 F5 032808.74-022846.6
03281-0229 RST4228 2015 5 29 1.4 8.20 12.30 F5 032808.74-022846.6

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

 
 
WDS 03281-0229 RST 4228 (HD 21517) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03281-0229 RST 4228 (HD 21517) : MEASURES
 
 
No records found.

 
 
WDS 03281-0229 (HD 21517) : VIRTUAL EYEPIECE
 
 

03281-0229 RST4228A mag 8.2 Sp F5 03281-0229 RST4228B sep 1.4 P.A. 29.40 mag 12.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03281-0229 (HD 21517) : ALADIN DSS IMAGE @ 03h 28m 08.74s -02° 28' 46.6"
 
 
 
 
WDS 03281-0229 RST 4228 (HD 21517) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03281-0229 RST4228 distance=0' 03292-0226 GWP 471 distance=17' 03252-0212 ITF 251 distance=48' 03320-0223 BRT 363 distance=58' 03328-0247 GWP 477 distance=73' 03335-0233 STF 417 distance=81' 03245-0332 YSC 26 distance=84' 03239-0136 BAL 285 distance=84' 03226-0210 GWP 456 distance=86' 03266-0106 RST4757 distance=86' 03252-0111 SKF1684 distance=90' 03254-0109 SCJ 2 distance=90' 03263-0102 STF 393 distance=92' 03240-0118 LDS5423 distance=94' 03233-0337 GWP 460 distance=99' 03249-0356 GWP 467 distance=100' 03237-0109 TDS2536 distance=104' 03214-0257 ITF 279AC distance=105' 03304-0408 KPP3531 distance=105' 03307-0416 STF 408 distance=114' 03227-0353 BRT 362 distance=118' 03284-0434 BU 1180AB distance=126' 03284-0434 BU 1180AB,C distance=126' 03263-0433 RST4227 distance=128' 03216-0105 BAL 284 distance=130' 03361-0320 J 1457 distance=130' 03193-0232 GWP 449 distance=134' 03199-0321 GWP 450 distance=134' 03254-0441 LDS3492 distance=138' 03379-0231 HDS 460AB distance=147' 03379-0231 SKF 418AC distance=147' 03332-0437 RST4229AB distance=149' 03332-0437 DAM 757AB,C distance=149' 03188-0321 GWP 447 distance=151' 03295-0503 TSN 44 distance=156' 03306-0505 HUB 2 distance=161' 03189-0101 BU 1177 distance=165' 03376-0103 GWP 486 distance=166' 03296+0016 SKF 846 distance=167' 03240-0007 GRV 997 distance=168' 03347-0451 TSN 127 distance=173' 03279+0025 SLW 154 distance=174' 03292+0025 KPP3530 distance=175' 03261-0024 SKF1117 distance=176' 03380-0405 UC 1034 distance=177' 03175-0107 GWP 445 distance=180' 03231-0016 KPP2549 distance=182' 03161-0204 RST4756 distance=182' 03304-0030 KPP1762 distance=182' 03311-0029 HDS 444 distance=183' 03167-0332 TOK 189Aa,Ab distance=183' 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 03281-0229 RST4228 29 1.4
Show 03292-0226 GWP 471 203 8.6 17
Show 03252-0212 ITF 251 86 3.9 48
Show 03320-0223 BRT 363 268 4.5 58
Show 03328-0247 GWP 477 256 11.1 73
Show 03335-0233 STF 417 180 25.8 81
Show 03245-0332 YSC 26 52 1.1 84
Show 03239-0136 BAL 285 190 14.1 84
Show 03226-0210 GWP 456 305 19.9 86
Show 03266-0106 RST4757 124 2.6 86
Show 03252-0111 SKF1684 265 2.9 90
Show 03254-0109 SCJ 2 183 16.9 90
Show 03263-0102 STF 393 257 15.5 92
Show 03240-0118 LDS5423 187 22.7 94
Show 03233-0337 GWP 460 134 11.6 99
Show 03249-0356 GWP 467 214 13.1 100
Show 03237-0109 TDS2536 251 0.4 104
Show 03214-0257 ITF 279 AC 179 16.1 105
Show 03304-0408 KPP3531 248 2.3 105
Show 03307-0416 STF 408 320 1.1 114
Show 03227-0353 BRT 362 352 4.4 118
Show 03284-0434 BU 1180 AB 24 0.4 126
Show 03284-0434 BU 1180 AB,C 117 7.4 126
Show 03263-0433 RST4227 355 1.3 128
Show 03216-0105 BAL 284 230 4.8 130
Show 03361-0320 J 1457 217 2.9 130
Show 03193-0232 GWP 449 233 18.2 134
Show 03199-0321 GWP 450 249 89.2 134
Show 03254-0441 LDS3492 203 1.9 138
Show 03379-0231 HDS 460 AB 72 3.0 147
Show 03379-0231 SKF 418 AC 205 13.5 147
Show 03332-0437 RST4229 AB 232 3.0 149
Show 03332-0437 DAM 757 AB,C 67 22.0 149
Show 03188-0321 GWP 447 320 106.0 151
Show 03295-0503 TSN 44 78 15.3 156
Show 03306-0505 HUB 2 115 14.1 161
Show 03189-0101 BU 1177 193 0.6 165
Show 03376-0103 GWP 486 62 17.6 166
Show 03296+0016 SKF 846 350 26.3 167
Show 03240-0007 GRV 997 192 10.8 168
Show 03347-0451 TSN 127 146 0.1 173
Show 03279+0025 SLW 154 327 17.3 174
Show 03292+0025 KPP3530 312 5.8 175
Show 03261-0024 SKF1117 75 8.0 176
Show 03380-0405 UC 1034 321 25.0 177
Show 03175-0107 GWP 445 76 421.5 180
Show 03231-0016 KPP2549 25 23.0 182
Show 03161-0204 RST4756 124 0.5 182
Show 03304-0030 KPP1762 125 13.6 182
Show 03311-0029 HDS 444 257 0.1 183
Show 03167-0332 TOK 189 Aa,Ab 122 0.8 183

 
 
WDS 03281-0229 : COMPONENTS
 
 
  A
B pa=29.4°
sep=1.44"
 
 
03281-0229 A
 
 
Componente originario normalizzato AB Name HD 21517 Coord arcsec 2000 032808.74-022846.6 Mag 8.2
Spectral class F5 (yellow-white) PmRA 49.00 PmDE -14.0 SAO 130506
HIP 16151 Tycho2 4709-00127-1 HD 21517 BD BD-02 633
Tycho2
Tycho2 4709-00127-1 Pflag RAmdeg 52.03654119 DEmdeg -2.47966261
PmRA 46.9 PmDE -15.0 E RAmdeg 5 E DEmdeg 6
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.87 EpDEm 1990.71
Num 15 Q RAmdeg 1.4 Q DEmdeg 0.7 Q pmRA 1.3
Q pmDE 0.7 BTmag 8.635 E BTmag 0.017 VTmag 8.148
E VTmag 0.012 Prox 999 TYC T HIP 16151
CCDM RAdeg 52.03643389 DEdeg -2.47962778 EpRA 1990 1.77
EpDE 1990 1.61 E RAdeg 5.2 E DEdeg 6.3 Posflg
Corr -0.1
SAO
SAO 130506 DelFlag RA1950 PmRA1950 0.0037
DE1950 PmDE1950 -0.013 Vmag 8 SpType F5
Double code Source 27 CatNum 834 DM BD-02 633
DMcomp BDsup HD 21517 M HD 0
GC RA1950rad 0.89719003 DE1950rad -0.0462867 PmRA2000 0.004
PmDE2000 -0.016
Hipparcos
Catalog H HIP 16151 Proxy RAhms 03 28 08.74
DEdms -02 28 46.6 Vmag 8.07 VarFlag R Vmag G
RAdeg 52.0364 DEdeg -2.47962 AstroRef Plx 7.38
CCDM 03281-0229 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 21517 BD BD-02 633
CD CP Dm number -02 633 VIred 0.56
SpType F5 R SpType Coord arcsec 2000 032808.74-022846.6
Hipparcos 2
HIP 16151 Sn 5 So 0 Nc 1
RArad 0.9082070255 DErad -0.0432776079 Plx 8.85 PmRA 48.39
PmDE -10.8 E RArad 0.88 E DErad 0.62 E Plx 1.06
E pmRA 1.08 E pmDE 1.04 Hpmag 8.175 E Hpmag 0.0016
SHp 0.016 VA 0 BV 0.49 E BV 0.015
VI 0.56
CCDM
Ccdm 03281-0229 RComp Comp A Note1
Note2 Discov num DRAs 2.73 DDEs 13.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp F5 PmNote *
PmRA 36 PmDE -18 Dm number -02 633 Cat1 BD
Name2 130506 Cat2 SAO HD 21517 M HD
ADS BDS M ADS BDS N IDS IDS 03231S0250A
HIC 16151
 
 
03281-0229 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 032808.79-022845.3 Mag 12.3 Calc delta mag 4.1
Calc coord yes
CCDM
Ccdm 03281-0229 RComp Comp B Note1
Note2 Discov num RST4228 DRAs DDEs
R dRAs Year 1949 Theta 019 Rho 1.3
Obs 4 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 03231S0250B
HIC 16151