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Doubles in session


Current system
04466-2247
OL 3
HD 30421


Nearby doubles
23' : 04463-2309
TDS2962

26' : 04455-2226
DON 77

41' : 04490-2224
DON 80

56' : 04431-2219
B 689

66' : 04468-2141
DON 78

68' : 04505-2328
BRT1377

72' : 04512-2213
BRT1378

80' : 04462-2128
OL 2

81' : 04410-2223
SKF2471

82' : 04427-2147
LDS3608

88' : 04410-2329
BRT1376

94' : 04422-2136
UC 1204

95' : 04470-2113
DON 79

105' : 04434-2113
TDS2946

113' : 04504-2108
DON 82

114' : 04432-2430
HU 1374

114' : 04519-2414
UC 1226

115' : 04507-2427
BRT2855

115' : 04493-2059
TDS2978

120' : 04478-2049
BU 312

121' : 04547-2206
RST3406

123' : 04425-2058
DON 75

126' : 04384-2154
DON 74

127' : 04545-2143
ARA1271

129' : 04555-2214
BRT1379

133' : 04372-2319
RST2351



Selections
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Binocular doubles
Binary Systems
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Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

04466-2247 OL 3 (HD 30421)

 
 
04h 46m 34.57s -22° 46' 46.6" P.A. 52.00 sep 1.7 mag 8.81,9.62 Sp F5/6V dist. 146.63 pc (478.31 l.y.)
 
 
Coord 2000 04466-2247 Discov num OL    3 Comp Coord arcsec 2000 04 46 34.57 -22 46 46.6
Date first 1906 Date last 2016 Obs 16
Pa first 59 Pa last 51.8 P.A. Now (θ) 51.8°
Sep first 1.3 Sep last 1.663 Sep. Now (ρ) 1.663"
Mag pri 8.81 Mag sec 9.62 delta mag (ΔM) 0.81 Spectral class F5/6V (yellow-white)
Pri motion ra +002 Sec motion ra +002
Pri motion dec -029 Sec motion dec -029
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 30421 Constellation Eridanus SAO 195287 HIP 22209
Tycho2 6465-00212-1 Gaia DR2 2973534330082894720 HD 30421 CD CD-23 2149
CP CP-23 615 Distance 146.63 Distance ly 478.31
 
 
WDS 04466-2247 OL 3 (HD 30421) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
OL Olivier, C.P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
04466-2247 OL 3 1991 14 54 1.7 8.81 9.62 F5/6V -23 2149 D 044634.57-224646.6
04466-2247 OL 3 2015 15 52 1.7 8.81 9.62 F5/6V -23 2149 044634.57-224646.6
04466-2247 OL 3 2016 16 52 1.7 8.81 9.62 F5/6V -23 2149 044634.57-224646.6

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

 
 
WDS 04466-2247 OL 3 (HD 30421) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04466-2247 OL 3 (HD 30421) : MEASURES
 
 
No records found.

 
 
WDS 04466-2247 (HD 30421) : VIRTUAL EYEPIECE
 
 

04466-2247 OL 3A mag 8.81 Sp F5/6V 04466-2247 OL 3B sep 1.7 P.A. 51.80 mag 9.62 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 04466-2247 (HD 30421) : ALADIN DSS IMAGE @ 04h 46m 34.57s -22° 46' 46.6"
 
 
 
 
WDS 04466-2247 OL 3 (HD 30421) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04466-2247 OL 3 distance=0' 04463-2309 TDS2962 distance=23' 04455-2226 DON 77 distance=26' 04490-2224 DON 80 distance=41' 04431-2219 B 689 distance=56' 04468-2141 DON 78 distance=66' 04505-2328 BRT1377 distance=68' 04512-2213 BRT1378 distance=72' 04462-2128 OL 2 distance=80' 04410-2223 SKF2471 distance=81' 04427-2147 LDS3608 distance=82' 04410-2329 BRT1376 distance=88' 04410-2329 GKM9101Aa,Ab distance=88' 04422-2136 UC 1204 distance=94' 04470-2113 DON 79 distance=95' 04434-2113 TDS2946 distance=105' 04504-2108 DON 82 distance=113' 04432-2430 HU 1374 distance=114' 04519-2414 UC 1226 distance=114' 04507-2427 BRT2855 distance=115' 04493-2059 TDS2978 distance=115' 04478-2049 BU 312 distance=120' 04547-2206 RST3406 distance=121' 04425-2058 DON 75 distance=123' 04384-2154 DON 74 distance=126' 04545-2143 ARA1271 distance=127' 04555-2214 BRT1379 distance=129' 04372-2319 RST2351 distance=133' 04396-2115 BU 1236AB distance=134' 04396-2115 BU 1236AC distance=134' 04421-2045 ARA 839 distance=138' 04519-2046 UC 1225 distance=142' 04421-2039 SHN 91 distance=143' 04441-2027 TDS2952 distance=144' 04486-2026 ARA 840 distance=144' 04430-2507 TDS2943 distance=148' 04574-2300 NSC 21 distance=151' 04549-2110 SKF2472 distance=151' 04532-2046 HJ 3700 distance=152' 04358-2343 GKM9098Ca,Cb distance=159' 04358-2343 GKM9098BC distance=159' 04580-2248 I 473 distance=159' 04358-2343 GKM9098Aa,Ab distance=159' 04518-2025 ARA 841 distance=161' 04577-2157 KPP1105 distance=163' 04522-2512 BRT2857 distance=165' 04575-2358 LDS3630 distance=167' 04428-2525 TDS2941 distance=167' 04539-2032 HDS 633 distance=170' 04577-2132 SPM 14 distance=172' 04535-2509 HJ 3702 distance=172' 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 04466-2247 OL 3 52 1.7 0
Show 04463-2309 TDS2962 26 1.7 23
Show 04455-2226 DON 77 97 0.7 26
Show 04490-2224 DON 80 337 0.7 41
Show 04431-2219 B 689 291 0.6 56
Show 04468-2141 DON 78 242 2.0 66
Show 04505-2328 BRT1377 93 5.1 68
Show 04512-2213 BRT1378 61 7.8 72
Show 04462-2128 OL 2 227 4.4 80
Show 04410-2223 SKF2471 256 39.0 81
Show 04427-2147 LDS3608 113 9.0 82
Show 04410-2329 BRT1376 276 4.9 88
Show 04410-2329 GKM9101 Aa,Ab 32 0.3 88
Show 04422-2136 UC 1204 293 16.5 94
Show 04470-2113 DON 79 327 9.2 95
Show 04434-2113 TDS2946 68 0.7 105
Show 04504-2108 DON 82 47 0.7 113
Show 04432-2430 HU 1374 262 0.5 114
Show 04519-2414 UC 1226 238 12.7 114
Show 04507-2427 BRT2855 10 3.2 115
Show 04493-2059 TDS2978 192 0.6 115
Show 04478-2049 BU 312 347 3.3 120
Show 04547-2206 RST3406 252 0.1 121
Show 04425-2058 DON 75 88 0.2 123
Show 04384-2154 DON 74 314 0.7 126
Show 04545-2143 ARA1271 200 15.5 127
Show 04555-2214 BRT1379 132 3.4 129
Show 04372-2319 RST2351 7 1.4 133
Show 04396-2115 BU 1236 AB 95 1.5 134
Show 04396-2115 BU 1236 AC 314 39.9 134
Show 04421-2045 ARA 839 337 7.0 138
Show 04519-2046 UC 1225 132 38.3 142
Show 04421-2039 SHN 91 -1 0.2 143
Show 04441-2027 TDS2952 125 1.5 144
Show 04486-2026 ARA 840 117 1.4 144
Show 04430-2507 TDS2943 318 0.5 148
Show 04574-2300 NSC 21 317 17.0 151
Show 04549-2110 SKF2472 152 69.4 151
Show 04532-2046 HJ 3700 349 26.2 152
Show 04358-2343 GKM9098 Ca,Cb 56 0.1 159
Show 04358-2343 GKM9098 BC 26 0.5 159
Show 04580-2248 I 473 243 0.9 159
Show 04358-2343 GKM9098 Aa,Ab 14 0.3 159
Show 04518-2025 ARA 841 200 10.5 161
Show 04577-2157 KPP1105 202 8.8 163
Show 04522-2512 BRT2857 84 5.6 165
Show 04575-2358 LDS3630 291 3.0 167
Show 04428-2525 TDS2941 22 1.0 167
Show 04539-2032 HDS 633 152 0.3 170
Show 04577-2132 SPM 14 287 19.0 172
Show 04535-2509 HJ 3702 232 15.1 172

 
 
WDS 04466-2247 : COMPONENTS
 
 
  A
B pa=51.8°
sep=1.66"
 
 
04466-2247 A
 
 
Name HD 30421 Coord arcsec 2000 044634.57-224646.6 Mag 8.81 Spectral class F5/6V (yellow-white)
PmRA 2.00 PmDE -29.0 SAO 195287 Tycho2 6465-00212-1
HD 30421 DM CD-34 1874
Tycho2
Tycho2 6465-00212-1 Pflag P RAmdeg 71.64402169 DEmdeg -22.77961466
PmRA 2.4 PmDE -28.7 E RAmdeg 8 E DEmdeg 8
E pmRA 3.4 E pmDE 3.4 EpRAm 1991.73 EpDEm 1991.70
Num 3 Q RAmdeg 1.5 Q DEmdeg 3.9 Q pmRA 1.5
Q pmDE 3.9 BTmag 9.328 E BTmag 0.018 VTmag 8.806
E VTmag 0.014 Prox 17 TYC T HIP 22209
CCDM A RAdeg 71.64391694 DEdeg -22.77961583 EpRA 1990 1.81
EpDE 1990 1.78 E RAdeg 8.1 E DEdeg 7.8 Posflg D
Corr 0.2
SAO
SAO 195287 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 0.079 Vmag 9.4 SpType G0
Double code Source 40 CatNum 1799 DM CD-34 1874
DMcomp BDsup HD 30474 M HD 0
GC RA1950rad 1.24260294 DE1950rad -0.59720956 PmRA2000 -0.0003
PmDE2000 0.078
CCDM
Ccdm 04466-2247 RComp Comp A Note1
Note2 Discov num DRAs -1.46 DDEs 15.4
R dRAs 35 Year Theta Rho
Obs 2 Vmag 8.7 Sp F2 PmNote
PmRA PmDE Dm number -23 2149 Cat1 CD
Name2 Cat2 HD 30421 M HD
ADS BDS A 3449 M ADS BDS N IDS IDS 04423S2258A
HIC 22209
 
 
04466-2247 B
 
 
Coord arcsec 2000 044634.66-224645.6 Mag 9.62 PmRA 2.00 PmDE -29.0
Tycho2 6465-00212-2 Delta magnitude 0.81 Coordinate calculated yes
Tycho2
Tycho2 6465-00212-2 Pflag P RAmdeg 71.64402169 DEmdeg -22.77961466
PmRA 2.4 PmDE -28.7 E RAmdeg 8 E DEmdeg 8
E pmRA 3.4 E pmDE 3.4 EpRAm 1991.73 EpDEm 1991.70
Num 3 Q RAmdeg 1.5 Q DEmdeg 3.9 Q pmRA 1.5
Q pmDE 3.9 BTmag 10.108 E BTmag 0.026 VTmag 9.621
E VTmag 0.023 Prox 17 TYC T HIP 22209
CCDM B RAdeg 71.64432028 DEdeg -22.77934389 EpRA 1990 1.83
EpDE 1990 1.79 E RAdeg 14.8 E DEdeg 14.3 Posflg D
Corr 0.2
CCDM
Ccdm 04466-2247 RComp Comp B Note1
Note2 Discov num OL 3 DRAs DDEs
R dRAs Year 1906 Theta 060 Rho 1.5
Obs 10 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3449 M ADS BDS N IDS IDS 04423S2258B
HIC 22209