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Current system
03310+2937
A 983
HD 21674


Nearby doubles
44' : 03321+3018
LDS3502

46' : 03286+2904
STF 395

55' : 03350+2919
LSC 28

57' : 03307+3033
TBN 11

57' : 03277+3013
TBN 5

57' : 03326+2844
JNN 24AB

58' : 03276+3014
TBN 4

64' : 03262+2950
ALP 10

65' : 03317+3041
COU 757

65' : 03360+2936
KPP1974

66' : 03298+3041
CRB 59

69' : 03314+3046
CHX 5AB

72' : 03362+2959
BU 1040

74' : 03289+3045
CHN 1AB

75' : 03323+3050
TBN 14

79' : 03266+2843
TOK 13AB

80' : 03277+2829
MLB 518

83' : 03372+2954
COU 689

86' : 03332+2817
HO 14

94' : 03380+2953
AZC 36

95' : 03287+3106
CHX 3AB

95' : 03332+3107
TBN 15

96' : 03243+3016
KU 14

96' : 03258+3044
A 979

96' : 03334+3108
CHX 6AB

96' : 03333+3108
TBN 13



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.

03310+2937 A 983 (HD 21674)

 
 
03h 30m 59.31s +29° 36' 49.3" P.A. 145.00 sep 0.5 mag 9.64,10.24 Sp G0 dist. 172.71 pc (563.38 l.y.)
 
 
Coord 2000 03310+2937 Discov num A   983 Comp Coord arcsec 2000 03 30 59.31 +29 36 49.3
Date first 1905 Date last 2016 Obs 47
Pa first 308 Pa last 144.5 P.A. Now (θ) 144.5°
Sep first 0.5 Sep last 0.548 Sep. Now (ρ) 0.548"
Mag pri 9.64 Mag sec 10.24 delta mag (ΔM) 0.6 Spectral class G0 (yellow)
Pri motion ra -014 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21674 Constellation Taurus SAO 75961 HIP 16376
Tycho2 1810-00747-1 Gaia DR2 120620480016164480 HD 21674 ADS 2578
BD BD+29 570 Distance 172.71 Distance ly 563.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)587y Periastron (T)1964.83y Semi-major axis (a)0.748a
Eccentricity (e)0.591 Inclination (i)63.2° Longitude of periastron (ω)245.3°
Node (Ω)150.8° Notes ReferenceDoc2010d
Equinox2000 Last observation2007 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 133.3 0.378
2001 134.1 0.388
2002 134.9 0.397
2003 135.7 0.407
2004 136.5 0.416
2005 137.2 0.425
2006 137.8 0.434
2007 138.5 0.443
2008 139.1 0.452
2009 139.7 0.460
2010 140.3 0.469
2011 140.8 0.477
2012 141.4 0.485
2013 141.9 0.494
2014 142.4 0.501
2015 142.9 0.509
2016 143.4 0.517
2017 143.8 0.525
2018 144.3 0.532
2019 144.7 0.539
2020 145.1 0.546
2021 145.5 0.553
2022 145.9 0.560
2023 146.3 0.567
2024 146.7 0.574
2025 147.1 0.580
2026 147.5 0.587
2027 147.8 0.593
2028 148.2 0.599
2029 148.5 0.606
2030 148.9 0.612


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds03310%2B2937c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 03310+2937 A 983 (HD 21674) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doc2010d orb - Docobo, J.A. & Ling, J.F. 2010IAUDS.171Q...1D
Doc2010d Inf. Circ. 171, 1, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03310+2937 A 983 1996 38 134 0.3 9.64 10.24 G0 NO 033059.31+293649.3
03310+2937 A 983 2007 39 139 0.5 9.64 10.24 G0 NO 033059.31+293649.3
03310+2937 A 983 2009 43 141 0.5 9.64 10.24 G0 NO 033059.31+293649.3
03310+2937 A 983 2015 45 147 0.7 9.64 10.24 G0 O 033059.31+293649.3
03310+2937 A 983 2016 47 145 0.5 9.64 10.24 G0 O 033059.31+293649.3

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

 
 
WDS 03310+2937 A 983 (HD 21674) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03310+2937 A 983 (HD 21674) : MEASURES
 
 
No records found.

 
 
WDS 03310+2937 (HD 21674) : VIRTUAL EYEPIECE
 
 

03310+2937 A 983A mag 9.64 Sp G0 03310+2937 A 983B sep 0.5 P.A. 148.20 mag 10.24 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03310+2937 (HD 21674) : ALADIN DSS IMAGE @ 03h 30m 59.31s +29° 36' 49.3"
 
 
 
 
WDS 03310+2937 A 983 (HD 21674) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03310+2937 A 983 distance=0' 03321+3018 LDS3502 distance=44' 03286+2904 STF 395 distance=46' 03350+2919 LSC 28 distance=55' 03307+3033 TBN 11 distance=57' 03277+3013 TBN 5 distance=57' 03326+2844 JNN 24AB distance=57' 03326+2844 JNN 24AC distance=57' 03276+3014 TBN 4 distance=58' 03262+2950 ALP 10 distance=64' 03317+3041 COU 757 distance=65' 03360+2936 KPP1974 distance=65' 03298+3041 CRB 59 distance=66' 03314+3046 CHX 5AB distance=69' 03314+3046 TBN 12Aa,Ab distance=69' 03362+2959 BU 1040 distance=72' 03289+3045 CHN 1AB distance=74' 03289+3045 SKF1042AC distance=74' 03323+3050 TBN 14 distance=75' 03266+2843 CHR 9Aa,Ab distance=79' 03266+2843 TOK 13AB distance=79' 03266+2843 CIA 10Aa1,2 distance=79' 03277+2829 MLB 518 distance=80' 03372+2954 COU 689 distance=83' 03332+2817 HO 14 distance=86' 03380+2953 AZC 36 distance=94' 03287+3106 CHX 3AB distance=95' 03287+3106 CHX 3BC distance=95' 03332+3107 TBN 15 distance=95' 03243+3016 KU 14 distance=96' 03258+3044 A 979 distance=96' 03334+3108 TBN 16BC distance=96' 03334+3108 CHX 6AB distance=96' 03333+3108 TBN 13 distance=96' 03256+3044 CHX 2 distance=97' 03256+3045 LOO 1AB distance=98' 03256+3045 LOO 1AC distance=98' 03256+3045 TBN 2Ba,Bb distance=98' 03256+3045 TBN 2Bb,Bc distance=98' 03256+3045 TBN 2BD distance=98' 03256+3045 TBN 2Da,Db distance=99' 03292+3114 LOO 4BC distance=100' 03292+3114 LOO 4Aa,Ab distance=100' 03292+3114 LOO 4Aa,B distance=100' 03254+3045 TBN 3 distance=100' 03289+3115 TBN 1Ba,Bb distance=101' 03289+3115 LOO 2AB distance=102' 03289+3115 CHX 4Aa,Ab distance=102' 03289+3115 TBN 1Aa,Ac distance=102' 03286+3114 TBN 6 distance=102' 03291+3116 LOO 3BC distance=103' 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 03310+2937 A 983 145 0.5
Show 03321+3018 LDS3502 109 13.5 44
Show 03286+2904 STF 395 90 1.8 46
Show 03350+2919 LSC 28 126 0.2 55
Show 03307+3033 TBN 11 246 0.6 57
Show 03277+3013 TBN 5 149 0.3 57
Show 03326+2844 JNN 24 AB 282 0.1 57
Show 03326+2844 JNN 24 AC 104 0.3 57
Show 03276+3014 TBN 4 -1 0.3 58
Show 03262+2950 ALP 10 269 24.8 64
Show 03317+3041 COU 757 50 0.2 65
Show 03360+2936 KPP1974 21 15.6 65
Show 03298+3041 CRB 59 88 12.6 66
Show 03314+3046 CHX 5 AB 102 1.6 69
Show 03314+3046 TBN 12 Aa,Ab 256 0.1 69
Show 03362+2959 BU 1040 338 3.2 72
Show 03289+3045 CHN 1 AB 246 8.0 74
Show 03289+3045 SKF1042 AC 131 14.7 74
Show 03323+3050 TBN 14 303 0.1 75
Show 03266+2843 CHR 9 Aa,Ab 235 0.4 79
Show 03266+2843 TOK 13 AB 129 95.6 79
Show 03266+2843 CIA 10 Aa1,2 245 0.0 79
Show 03277+2829 MLB 518 255 3.4 80
Show 03372+2954 COU 689 177 0.2 83
Show 03332+2817 HO 14 26 2.2 86
Show 03380+2953 AZC 36 58 21.8 94
Show 03287+3106 CHX 3 AB 287 3.9 95
Show 03287+3106 CHX 3 BC 10 7.5 95
Show 03332+3107 TBN 15 -1 31.9 95
Show 03243+3016 KU 14 168 3.6 96
Show 03258+3044 A 979 268 1.7 96
Show 03334+3108 TBN 16 BC -1 14.0 96
Show 03334+3108 CHX 6 AB 174 17.4 96
Show 03333+3108 TBN 13 37 0.5 96
Show 03256+3044 CHX 2 154 7.0 97
Show 03256+3045 LOO 1 AB 198 7.4 98
Show 03256+3045 LOO 1 AC 320 16.5 98
Show 03256+3045 TBN 2 Ba,Bb 105 0.8 98
Show 03256+3045 TBN 2 Bb,Bc 329 0.3 98
Show 03256+3045 TBN 2 BD -1 21.5 98
Show 03256+3045 TBN 2 Da,Db 25 0.3 99
Show 03292+3114 LOO 4 BC 96 10.5 100
Show 03292+3114 LOO 4 Aa,Ab 312 1.7 100
Show 03292+3114 LOO 4 Aa,B 140 29.7 100
Show 03254+3045 TBN 3 264 0.7 100
Show 03289+3115 TBN 1 Ba,Bb 0.3 101
Show 03289+3115 LOO 2 AB 133 31.3 102
Show 03289+3115 CHX 4 Aa,Ab 350 1.5 102
Show 03289+3115 TBN 1 Aa,Ac 195 0.6 102
Show 03286+3114 TBN 6 60 1.9 102
Show 03291+3116 LOO 3 BC 226 19.8 103

 
 
WDS 03310+2937 : COMPONENTS
 
 
  A
B pa=148.2°
sep=0.52"
 
 
03310+2937 A
 
 
Componente originario normalizzato AB Name HD 21674 Coord arcsec 2000 033059.31+293649.3 Mag 9.64
Spectral class G0 (yellow) PmRA -14.00 PmDE 9.0 SAO 75961
HIP 16376 Tycho2 1810-00747-1 HD 21674 BD BD+29 570
Tycho2
Tycho2 1810-00747-1 Pflag RAmdeg 52.74710938 DEmdeg 29.61373362
PmRA -9.3 PmDE 10.1 E RAmdeg 10 E DEmdeg 12
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.64 EpDEm 1989.89
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.5 Q pmRA 0.7
Q pmDE 1.5 BTmag 9.648 E BTmag 0.024 VTmag 9.058
E VTmag 0.018 Prox 999 TYC T HIP 16376
CCDM AB RAdeg 52.74713306 DEdeg 29.61370972 EpRA 1990 1.79
EpDE 1990 1.50 E RAdeg 9.5 E DEdeg 12.4 Posflg P
Corr -0.2
SAO
SAO 75961 DelFlag RA1950 PmRA1950 -0.0031
DE1950 PmDE1950 -0.004 Vmag 8.5 SpType G0
Double code Source 34 CatNum 1712 DM BD+29 570
DMcomp BDsup HD 21674 M HD 0
GC RA1950rad 0.90724911 DE1950rad 0.51388626 PmRA2000 -0.0031
PmDE2000 -0.007
Hipparcos
Catalog H HIP 16376 Proxy H RAhms 03 30 59.31
DEdms +29 36 49.3 Vmag 9.04 VarFlag R Vmag H
RAdeg 52.7471 DEdeg 29.6137 AstroRef * Plx 7.82
CCDM 03310+2937 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 123 Rho 0.288 HD 21674 BD BD+29 570
CD CP Dm number +29 570 VIred 0.67
SpType G0 R SpType Coord arcsec 2000 033059.31+293649.3
Hipparcos 2
HIP 16376 Sn 55 So 3 Nc 2
RArad 0.9206112523 DErad 0.5168566687 Plx 5.79 PmRA -11.84
PmDE 12.36 E RArad 1.4 E DErad 0.73 E Plx 1.47
E pmRA 1.74 E pmDE 1.39 Hpmag 9.1488 E Hpmag 0.0026
SHp 0.017 VA 0 BV 0.491 E BV 0.029
VI 0.56
CCDM
Ccdm 03310+2937 RComp Comp A Note1
Note2 Discov num DRAs -0.75 DDEs -10.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp G0 PmNote *
PmRA -21 PmDE 13 Dm number +29 570 Cat1 BD
Name2 +29 392 Cat2 AGK2/3 HD 21674 M HD
ADS BDS A 2578 M ADS BDS N IDS IDS 03249N2916A
HIC 16376
 
 
03310+2937 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 033059.33+293648.9 Mag 10.24 Calc delta mag 0.6
Calc coord yes
CCDM
Ccdm 03310+2937 RComp Comp B Note1 *
Note2 Discov num A 983 DRAs DDEs
R dRAs Year 1958 Theta 004 Rho 0.3
Obs 9 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2578 M ADS BDS N IDS IDS 03249N2916B
HIC 16376