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Current system
03421+1657
A 2422


Nearby doubles
13' : 03415+1705
UC 1045

14' : 03414+1650
HEI 100

16' : 03411+1651
LDS3521

22' : 03435+1702
CVR 444

22' : 03426+1718
RAO 78AB

31' : 03439+1640
GIC 44AB

39' : 03444+1637
BPM 82

41' : 03442+1630
GRV 189

42' : 03392+1702
KPP1016

43' : 03402+1730
SLW 160

46' : 03394+1632
HJ 3250

59' : 03397+1611
HU 1064

61' : 03462+1710
HJ 3252

62' : 03460+1721
BPM 83

63' : 03392+1744
GWP 492AB

64' : 03380+1629
HEI 30

66' : 03384+1736
A 2420

72' : 03464+1733
CVR 445

75' : 03420+1812
COU 362

78' : 03370+1632
HEI 29

85' : 03376+1751
LDS3512

94' : 03396+1823
TOK 14AB

95' : 03373+1803
HJ 3249

101' : 03420+1838
GWP 502

102' : 03353+1725
GWP 483

103' : 03489+1628
TOK 478



Selections
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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.

03421+1657 A 2422

 
 
03h 42m 06.46s +16° 57' 21.7" P.A. 290.00 sep 2.2 mag 9.05,12.61 Sp K0 dist. 276.24 pc (901.09 l.y.)
 
 
Coord 2000 03421+1657 Discov num A  2422 Comp Coord arcsec 2000 03 42 06.46 +16 57 21.7
Date first 1912 Date last 2016 Obs 9
Pa first 289 Pa last 290 P.A. Now (θ) 290°
Sep first 1.7 Sep last 2.15 Sep. Now (ρ) 2.15"
Mag pri 9.05 Mag sec 12.61 delta mag (ΔM) 3.56 Spectral class K0 (yellow-orange)
Pri motion ra +010 Sec motion ra +009
Pri motion dec +000 Sec motion dec +001
Notes
rPM=0.141 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus SAO 93555 HIP 17291 Tycho2 1239-00241-1
Gaia DR2 44132923567200384 HD 23121 BD BD+16 492 Distance 276.24
Distance ly 901.09
 
 
WDS 03421+1657 A 2422 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
03421+1657 A 2422 1991 8 289 2.2 9.05 12.61 K0 +16 492 034206.46+165721.7
03421+1657 A 2422 2016 9 290 2.2 9.05 12.61 K0 +16 492 034206.46+165721.7

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

 
 
WDS 03421+1657 A 2422 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03421+1657 A 2422 : MEASURES
 
 
No records found.

 
 
WDS 03421+1657 : VIRTUAL EYEPIECE
 
 

03421+1657 A 2422A mag 9.05 Sp K0 03421+1657 A 2422B sep 2.1 P.A. 290.00 mag 12.61 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03421+1657 : ALADIN DSS IMAGE @ 03h 42m 06.46s +16° 57' 21.7"
 
 
 
 
WDS 03421+1657 A 2422 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03421+1657 A 2422 distance=0' 03415+1705 UC 1045 distance=13' 03414+1650 HEI 100 distance=14' 03411+1651 LDS3521 distance=16' 03435+1702 CVR 444 distance=22' 03426+1718 RAO 78AB distance=22' 03439+1640 GIC 44AB distance=31' 03439+1640 LMP 3AC distance=31' 03439+1640 LMP 3AD distance=31' 03444+1637 BPM 82 distance=39' 03442+1630 GRV 189 distance=41' 03392+1702 KPP1016 distance=42' 03402+1730 SLW 160 distance=43' 03394+1632 HJ 3250 distance=46' 03397+1611 HU 1064 distance=59' 03462+1710 HJ 3252 distance=61' 03460+1721 BPM 83 distance=62' 03392+1744 GWP 492AB distance=63' 03392+1744 GKM9077Aa,Ab distance=63' 03380+1629 HEI 30 distance=64' 03384+1736 A 2420 distance=66' 03464+1733 CVR 445 distance=72' 03420+1812 COU 362 distance=75' 03370+1632 HEI 29 distance=78' 03376+1751 LDS3512 distance=85' 03396+1823 JAO 9Ba,Bb distance=94' 03396+1823 TOK 14AB distance=94' 03396+1823 LDS9159AC distance=94' 03373+1803 HJ 3249 distance=95' 03420+1838 GWP 502 distance=101' 03353+1725 GWP 483 distance=102' 03489+1628 TOK 478 distance=103' 03376+1535 BRT1176 distance=105' 03388+1521 GWP 491 distance=108' 03442+1510 SLN 61 distance=112' 03350+1743 J 1084 distance=112' 03402+1503 HU 1065 distance=116' 03392+1506 LDS3516 distance=119' 03353+1549 BPM 78 distance=120' 03337+1645 TDS2581 distance=121' 03377+1510 KPP1023 distance=125' 03427+1448 BPM 81 distance=130' 03363+1516 J 26AB distance=132' 03493+1819 HJ 5536 distance=133' 03335+1609 OCC 936 distance=133' 03330+1636 TOK 238AB distance=134' 03330+1636 OCC 485Aa,Ab distance=134' 03496+1817 STF 458 distance=135' 03377+1901 GWP 488 distance=139' 03478+1504 GRV 192 distance=141' 03338+1814 OCC 911AB distance=142' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 03421+1657 A 2422 290 2.2 0
Show 03415+1705 UC 1045 180 41.3 13
Show 03414+1650 HEI 100 166 0.9 14
Show 03411+1651 LDS3521 298 31.6 16
Show 03435+1702 CVR 444 306 10.5 22
Show 03426+1718 RAO 78 AB 269 10.1 22
Show 03439+1640 GIC 44 AB 261 106.5 31
Show 03439+1640 LMP 3 AC 186 75.3 31
Show 03439+1640 LMP 3 AD 221 125.4 31
Show 03444+1637 BPM 82 258 11.7 39
Show 03442+1630 GRV 189 311 39.2 41
Show 03392+1702 KPP1016 128 8.2 42
Show 03402+1730 SLW 160 48 31.5 43
Show 03394+1632 HJ 3250 155 34.8 46
Show 03397+1611 HU 1064 326 0.2 59
Show 03462+1710 HJ 3252 302 14.1 61
Show 03460+1721 BPM 83 151 36.3 62
Show 03392+1744 GWP 492 AB 121 16.3 63
Show 03392+1744 GKM9077 Aa,Ab 111 0.1 63
Show 03380+1629 HEI 30 16 0.9 64
Show 03384+1736 A 2420 268 2.0 66
Show 03464+1733 CVR 445 18 21.5 72
Show 03420+1812 COU 362 266 0.5 75
Show 03370+1632 HEI 29 78 0.8 78
Show 03376+1751 LDS3512 151 16.1 85
Show 03396+1823 JAO 9 Ba,Bb 252 0.0 94
Show 03396+1823 TOK 14 AB 246 10.0 94
Show 03396+1823 LDS9159 AC 176 254.8 94
Show 03373+1803 HJ 3249 99 7.1 95
Show 03420+1838 GWP 502 80 11.5 101
Show 03353+1725 GWP 483 87 23.6 102
Show 03489+1628 TOK 478 171 999.9 103
Show 03376+1535 BRT1176 157 2.5 105
Show 03388+1521 GWP 491 232 25.2 108
Show 03442+1510 SLN 61 167 37.5 112
Show 03350+1743 J 1084 135 4.3 112
Show 03402+1503 HU 1065 342 2.9 116
Show 03392+1506 LDS3516 190 13.3 119
Show 03353+1549 BPM 78 167 106.3 120
Show 03337+1645 TDS2581 121 0.7 121
Show 03377+1510 KPP1023 143 8.2 125
Show 03427+1448 BPM 81 135 45.2 130
Show 03363+1516 J 26 AB 325 2.6 132
Show 03493+1819 HJ 5536 23 8.9 133
Show 03335+1609 OCC 936 -1 0.1 133
Show 03330+1636 TOK 238 AB 90 466.9 134
Show 03330+1636 OCC 485 Aa,Ab -1 -1.0 134
Show 03496+1817 STF 458 202 5.1 135
Show 03377+1901 GWP 488 221 25.2 139
Show 03478+1504 GRV 192 27 40.5 141
Show 03338+1814 OCC 911 AB -1 0.2 142

 
 
WDS 03421+1657 : COMPONENTS
 
 
  A
B pa=290.0°
sep=2.15"
 
 
03421+1657 A
 
 
Coord arcsec 2000 034206.46+165721.7 Mag 9.05 Spectral class K0 (yellow-orange) PmRA 10.00
PmDE 0.0 HIP 17291 Tycho2 1239-00241-1 HD 23121
BD BD+16 492
Tycho2
Tycho2 1239-00241-1 Pflag RAmdeg 55.52690671 DEmdeg 16.95603103
PmRA 10.3 PmDE 0.4 E RAmdeg 12 E DEmdeg 15
E pmRA 0.9 E pmDE 0.9 EpRAm 1988.32 EpDEm 1986.90
Num 13 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 10.526 E BTmag 0.039 VTmag 9.054
E VTmag 0.019 Prox 22 TYC T HIP 17291
CCDM A RAdeg 55.52688167 DEdeg 16.95602861 EpRA 1990 1.66
EpDE 1990 1.48 E RAdeg 12.5 E DEdeg 15.8 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 17291 Proxy H RAhms 03 42 06.45
DEdms +16 57 21.7 Vmag 8.91 VarFlag R Vmag H
RAdeg 55.5269 DEdeg 16.956 AstroRef A Plx 0.39
CCDM 9.41 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 289 Rho 2.234 HD BD BD+16 492
CD CP Dm number +16 492 VIred 1.16
SpType K0 R SpType Coord arcsec 2000 034206.45+165721.7
Hipparcos 2
HIP 17291 Sn 15 So 3 Nc 2
RArad 0.9691269913 DErad 0.2959384811 Plx -3.62 PmRA 8.55
PmDE 1.88 E RArad 1.73 E DErad 1.16 E Plx 1.89
E pmRA 2.5 E pmDE 2.69 Hpmag E Hpmag 0.0021
SHp 0.019 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 03421+1657 RComp Comp A Note1
Note2 Discov num DRAs 0.40 DDEs 22.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp PmNote *
PmRA -7 PmDE 10 Dm number +16 492 Cat1 BD
Name2 +16 315 Cat2 AGK2/3 HD M HD
ADS BDS A 2702 M ADS BDS N IDS IDS 03364N1638A
HIC 17291
 
 
03421+1657 B
 
 
Coord arcsec 2000 034206.32+165722.4 Mag 12.61 PmRA 9.00 PmDE 1.0
Delta magnitude 3.56 Coordinate calculated yes
CCDM
Ccdm 03421+1657 RComp Comp B Note1
Note2 Discov num A 2422 DRAs DDEs
R dRAs Year 1912 Theta 290 Rho 1.8
Obs 4 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2702 M ADS BDS N IDS IDS 03364N1638B
HIC 17291