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Doubles in session


Current system
03306+4947
HLD 8
HD 21539


Nearby doubles
16' : 03298+5001
ES 2599AB

21' : 03294+4931
BU 1179

23' : 03329+4951
PAT 43

24' : 03298+5010
UC 48

25' : 03283+4957
PAT 35

36' : 03288+4916
PAT 37

40' : 03284+4915
PAT 36

42' : 03322+4908
PAT 42

43' : 03287+5026
STF 388

45' : 03351+4945
MET 29AB

49' : 03315+4900
MET 28AB

54' : 03263+4914
PAT 32

55' : 03285+4857
ES 1136

61' : 03243+4952
BUP 44
Mirfak

65' : 03319+4844
PAT 41

65' : 03283+5049
COU2570

66' : 03245+4918
PAT 28

70' : 03378+4943
WFC 250

72' : 03283+4840
SKF2335AB

72' : 03297+5058
COU2571

77' : 03237+4911
PRS 36

77' : 03227+4941
PRS 35

78' : 03355+4847
BVD 190

78' : 03372+4905
ES 54

79' : 03248+4853
PAT 29AB

79' : 03248+4852
PAT 30AB



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.

03306+4947 HLD 8 (HD 21539)

 
 
03h 30m 34.67s +49° 47' 21.2" P.A. 177.00 sep 2.4 mag 9.42,9.79 Sp F0
 
 
Coord 2000 03306+4947 Discov num HLD   8 Comp Coord arcsec 2000 03 30 34.67 +49 47 21.2
Date first 1881 Date last 2018 Obs 23
Pa first 177 Pa last 176.6 P.A. Now (θ) 176.6°
Sep first 1.9 Sep last 2.363 Sep. Now (ρ) 2.363"
Mag pri 9.42 Mag sec 9.79 delta mag (ΔM) 0.37 Spectral class F0 (yellow-white)
Pri motion ra -010 Sec motion ra -011
Pri motion dec +003 Sec motion dec +004
Notes V (Proper motion indicates physical)
rPM=0.121 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21539 Constellation Perseus SAO 38889 Tycho2 3320-01240-1
Gaia DR2 441554248988231168 HD 21539
 
 
WDS 03306+4947 HLD 8 (HD 21539) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hld1874 Ma - Holden, E.S. .
Hld1874 Washington Observations, 1874
Hld1875 Ma - Holden, E.S. .
Hld1875 Washington Observations, 1875
Hld1875b Ma j Holden, E.S. & Newcomb, S. 1875AN.....86..321H
Hld1875b AN 86, 321, 1875
Hld1875c Ma j Holden, E.S. 1875AN.....86..321H
Hld1875c AN 86, 321, 1875
Hld1876 Ma - Holden, E.S. .
Hld1876 Washington Observations, 1876
Hld1876b Ma j Holden, E.S. 1876AN.....88..131H
Hld1876b AN 88, 131, 1876
Hld1877 Ma - Holden, E.S. 1877AN.....90..161H
Hld1877 AN 90, 161, 1877
Hld1877b Ma j Holden, E.S. 1877AN.....90..161H
Hld1877b AN 90, 161, 1877
Hld1878 Ma - Holden, E.S. .
Hld1878 Washington Observations, 1878
Hld1878b Ma j Holden, E.S. 1878AN.....93...65H
Hld1878b AN 93, 65, 1878 (data also in Hld1878)
Hld1879 Ma - Holden, E.S. .
Hld1879 Washington Observations, 1879
Hld1879b Ma j Holden, E.S. 1879AN.....95..329H
Hld1879b AN 95, 329, 1879 (data also in Hld1879)
Hld1880 Ma - Holden, E.S. .
Hld1880 Washington Observations, 1880
Hld1880b Ma j Holden, E.S. 1880AN.....97..319H
Hld1880b AN 97, 319, 1880 (data also in Hld1880)
Hld1881 Ma - Holden, E.S. .
Hld1881 Washington Observations, 1881
Hld1881b Ma j Holden, E.S. 1881MNRAS..41..416.
Hld1881b MNRAS 41, 416, 1881
Hld1882 Ma - Holden, E.S. 1882PWasO...1...77H
Hld1882 Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894) 1894PLicO...2.....B
Hld1884 Ma - Holden, E.S. 1884PWasO...2...97H
Hld1884 Pub. Washburn Obs. 2, 97, 1884
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03306+4947 HLD 8 1998 16 177 2.3 9.42 9.79 F0 033034.67+494721.2
03306+4947 HLD 8 2008 17 177 2.3 9.42 9.79 F0 033034.67+494721.2
03306+4947 HLD 8 2009 18 177 2.3 9.42 9.79 F0 033034.67+494721.2
03306+4947 HLD 8 2015 18 176 2.4 9.42 9.79 F0 033034.67+494721.2
03306+4947 HLD 8 2018 19 177 2.4 9.42 9.79 F0 033034.67+494721.2

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

 
 
WDS 03306+4947 HLD 8 (HD 21539) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03306+4947 HLD 8 (HD 21539) : MEASURES
 
 
No records found.

 
 
WDS 03306+4947 (HD 21539) : VIRTUAL EYEPIECE
 
 

03306+4947 HLD 8A mag 9.42 Sp F0 03306+4947 HLD 8B sep 2.4 P.A. 177.80 mag 9.79 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 03306+4947 (HD 21539) : ALADIN DSS IMAGE @ 03h 30m 34.67s +49° 47' 21.2"
 
 
 
 
WDS 03306+4947 HLD 8 (HD 21539) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03306+4947 HLD 8 distance=0' 03298+5001 COU2265Aa,Ab distance=16' 03298+5001 ES 2599AB distance=16' 03294+4931 BU 1179 distance=21' 03329+4951 PAT 43 distance=23' 03298+5010 UC 48 distance=24' 03283+4957 PAT 35 distance=25' 03288+4916 PAT 37 distance=36' 03284+4915 PAT 36 distance=40' 03322+4908 PAT 42 distance=42' 03287+5026 STF 388 distance=43' 03351+4945 MET 29AB distance=45' 03351+4945 MET 29AC distance=45' 03351+4945 MET 29AD distance=45' 03351+4945 MET 29AE distance=45' 03351+4945 MET 29AF distance=45' 03315+4900 PAT 40Aa,Ab distance=49' 03315+4900 MET 28AB distance=49' 03263+4914 PAT 32 distance=54' 03285+4857 ES 1136 distance=55' 03243+4952 BUP 44 (Mirfak) distance=61' 03319+4844 PAT 41 distance=65' 03283+5049 COU2570 distance=65' 03245+4918 PAT 28 distance=66' 03378+4943 WFC 250 distance=70' 03283+4840 SKF2335BC distance=71' 03283+4840 SKF2335AB distance=72' 03297+5058 COU2571 distance=72' 03237+4911 PRS 36 distance=77' 03227+4941 PRS 35 distance=77' 03355+4847 BVD 190 distance=78' 03372+4905 ES 54 distance=78' 03248+4853 PAT 29AB distance=79' 03248+4853 PAT 29AC distance=79' 03248+4853 PAT 29AD distance=79' 03248+4852 PAT 30AB distance=79' 03248+4852 MET 27AC distance=79' 03248+4852 MET 27AD distance=79' 03248+4852 MET 27AE distance=79' 03248+4852 MET 27AF distance=79' 03342+4837 BU 787AB distance=79' 03342+4837 BU 787AD distance=79' 03342+4837 ARN 57AE distance=79' 03304+4825 PAT 39 distance=83' 03236+4859 PAT 25 distance=84' 03244+4848 PAT 27 distance=85' 03276+4825 PAT 34 distance=88' 03214+4957 PAT 23 distance=90' 03367+4840 HU 102 distance=91' 03255+4830 PAT 31 distance=92' 03290+4814 PAT 38 distance=95' 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 03306+4947 HLD 8 177 2.4
Show 03298+5001 COU2265 Aa,Ab 283 0.7 16
Show 03298+5001 ES 2599 AB 299 19.2 16
Show 03294+4931 BU 1179 141 0.6 21
Show 03329+4951 PAT 43 337 0.5 23
Show 03298+5010 UC 48 163 28.9 24
Show 03283+4957 PAT 35 317 1.4 25
Show 03288+4916 PAT 37 79 1.9 36
Show 03284+4915 PAT 36 35 3.0 40
Show 03322+4908 PAT 42 51 2.1 42
Show 03287+5026 STF 388 214 2.8 43
Show 03351+4945 MET 29 AB 29 2.2 45
Show 03351+4945 MET 29 AC 247 5.3 45
Show 03351+4945 MET 29 AD 324 6.2 45
Show 03351+4945 MET 29 AE 280 6.2 45
Show 03351+4945 MET 29 AF 113 10.1 45
Show 03315+4900 PAT 40 Aa,Ab 91 0.1 49
Show 03315+4900 MET 28 AB 109 3.1 49
Show 03263+4914 PAT 32 357 0.4 54
Show 03285+4857 ES 1136 353 9.6 55
Show Mirfak 03243+4952 BUP 44 198 164.0 61
Show 03319+4844 PAT 41 350 0.1 65
Show 03283+5049 COU2570 289 1.4 65
Show 03245+4918 PAT 28 8 1.0 66
Show 03378+4943 WFC 250 68 11.1 70
Show 03283+4840 SKF2335 BC 242 7.4 71
Show 03283+4840 SKF2335 AB 348 71.0 72
Show 03297+5058 COU2571 49 0.9 72
Show 03237+4911 PRS 36 262 2.3 77
Show 03227+4941 PRS 35 8 4.4 77
Show 03355+4847 BVD 190 67 14.8 78
Show 03372+4905 ES 54 251 4.6 78
Show 03248+4853 PAT 29 AB 98 0.3 79
Show 03248+4853 PAT 29 AC 163 4.6 79
Show 03248+4853 PAT 29 AD 8 5.4 79
Show 03248+4852 PAT 30 AB 46 7.3 79
Show 03248+4852 MET 27 AC 313 10.2 79
Show 03248+4852 MET 27 AD 108 12.5 79
Show 03248+4852 MET 27 AE 110 12.4 79
Show 03248+4852 MET 27 AF 224 10.4 79
Show 03342+4837 BU 787 AB 293 5.2 79
Show 03342+4837 BU 787 AD 181 34.5 79
Show 03342+4837 ARN 57 AE 29 175.2 79
Show 03304+4825 PAT 39 66 5.4 83
Show 03236+4859 PAT 25 47 4.9 84
Show 03244+4848 PAT 27 198 3.5 85
Show 03276+4825 PAT 34 350 0.1 88
Show 03214+4957 PAT 23 163 4.5 90
Show 03367+4840 HU 102 64 3.2 91
Show 03255+4830 PAT 31 337 4.4 92
Show 03290+4814 PAT 38 234 1.6 95

 
 
WDS 03306+4947 : COMPONENTS
 
 
  A
B pa=177.8°
sep=2.36"
 
 
03306+4947 A
 
 
Componente originario normalizzato AB Name HD 21539 Coord arcsec 2000 033034.67+494721.2 Mag 9.42
Spectral class F0 (yellow-white) PmRA -10.00 PmDE 3.0 SAO 38889
Tycho2 3320-01240-1 HD 21539 DM BD+49 950
Tycho2
Tycho2 3320-01240-1 Pflag RAmdeg 52.64446630 DEmdeg 49.78921868
PmRA -11.1 PmDE 14.7 E RAmdeg 14 E DEmdeg 15
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.18 EpDEm 1989.91
Num 7 Q RAmdeg 1.1 Q DEmdeg 1.4 Q pmRA 1.2
Q pmDE 1.5 BTmag 9.877 E BTmag 0.026 VTmag 9.424
E VTmag 0.023 Prox 23 TYC T HIP
CCDM RAdeg 52.64450667 DEdeg 49.78918472 EpRA 1990 1.69
EpDE 1990 1.58 E RAdeg 13.8 E DEdeg 15.3 Posflg D
Corr 0.1
SAO
SAO 38889 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 0.01 Vmag 8.6 SpType F0
Double code Source 3 CatNum 421 DM BD+49 950
DMcomp BDsup HD 21539 M HD 0
GC RA1950rad 0.9031115 DE1950rad 0.86600083 PmRA2000 -0.0019
PmDE2000 0.007
CCDM
Ccdm 03306+4947 RComp Comp A Note1
Note2 Discov num DRAs -1.35 DDEs 21.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp F0 PmNote *
PmRA -7 PmDE 30 Dm number +49 950 Cat1 BD
Name2 +49 421 Cat2 AGK2/3 HD 21539 M HD
ADS BDS A 2574 M ADS BDS N IDS IDS 03234N4927A
HIC
 
 
03306+4947 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 033034.68+494718.8 Mag 9.79 PmRA -11.00
PmDE 4.0 Calc delta mag 0.37 Calc coord yes
CCDM
Ccdm 03306+4947 RComp Comp B Note1
Note2 Discov num HLD 8 DRAs DDEs
R dRAs Year 1881 Theta 175 Rho 2.4
Obs 8 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2574 M ADS BDS N IDS IDS 03234N4927B
HIC