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Doubles in session


Current system
06234-3001
DAW 120
HD 44970


Nearby doubles
10' : 06235-2952
B 1046

30' : 06224-3028
JSP 866AB

34' : 06210-2949
UC 1424

41' : 06203-3004
SMY 1AB
Furud

46' : 06237-3046
JSP 867AB

48' : 06203-2937
JC 3

49' : 06208-3034
TDS3760

64' : 06197-3042
ALC 6

66' : 06264-2908
COO 266

68' : 06214-2859
KPP 134

69' : 06225-3107
LDS5675

75' : 06186-2922
I 1116

76' : 06178-2940
TDS3712AB

77' : 06188-2914
KPP1314

77' : 06283-2919
TDS3855

84' : 06290-2921
RST 193

89' : 06241-2833
TDS3796

94' : 06263-3127
KPP2251

94' : 06233-2827
WFC 34

96' : 06253-3134
WNO 4

101' : 06257-3137
PRO 22

105' : 06234-2817
B 698

106' : 06159-2922
BRT2871

111' : 06299-2850
RST1311

112' : 06261-2816
RST1308

113' : 06318-2930
TDS3902



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.

06234-3001 DAW 120 (HD 44970)

 
 
06h 23m 25.77s -30° 01' 00.4" P.A. 254.00 sep 0.2 mag 9.20,9.40 Sp A9V
 
 
Coord 2000 06234-3001 Discov num DAW 120 Comp Coord arcsec 2000 06 23 25.77 -30 01 00.4
Date first 1923 Date last 2019 Obs 9
Pa first 88 Pa last 253.6 P.A. Now (θ) 253.6°
Sep first 0.5 Sep last 0.154 Sep. Now (ρ) 0.154"
Mag pri 9.20 Mag sec 9.40 delta mag (ΔM) 0.2 Spectral class A9V (white)
Pri motion ra -003 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 44970 Constellation Canis Major SAO 171675 Tycho2 7073-01173-1
Gaia DR2 2895061433592812800 HD 44970 ADS 5019
 
 
ORBITAL ELEMENTS
 
 
Period (P)375y Periastron (T)2034.82y Semi-major axis (a)0.407a
Eccentricity (e)0.27 Inclination (i)83.8° Longitude of periastron (ω)145.4°
Node (Ω)84.8° Notes ReferenceTok2020g
Equinox2000 Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 165.9 0.036
2001 179.1 0.035
2002 191.9 0.037
2003 203.3 0.040
2004 212.8 0.044
2005 220.5 0.049
2006 226.6 0.055
2007 231.4 0.062
2008 235.4 0.068
2009 238.6 0.075
2010 241.3 0.082
2011 243.5 0.090
2012 245.4 0.097
2013 247.1 0.104
2014 248.5 0.111
2015 249.7 0.119
2016 250.8 0.126
2017 251.8 0.133
2018 252.7 0.140
2019 253.5 0.147
2020 254.2 0.155
2021 254.9 0.161
2022 255.5 0.168
2023 256.1 0.175
2024 256.6 0.182
2025 257.1 0.188
2026 257.5 0.195
2027 257.9 0.201
2028 258.3 0.207
2029 258.7 0.213
2030 259.1 0.219


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


 
  


wds06234-3001a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 06234-3001 DAW 120 (HD 44970) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2020g orb - Tokovinin, A. 2020IAUDS.201....1A
Tok2020g Inf. Circ. 201, 1, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 DAW Dawson, B.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
06234-3001 DAW 120 1989 7 107 0.1 9.20 9.40 A9V 062325.77-300100.4
06234-3001 DAW 120 2016 8 253 0.1 9.20 9.40 A9V 062325.77-300100.4
06234-3001 DAW 120 2019 9 254 0.2 9.20 9.40 A9V 062325.77-300100.4

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

 
 
WDS 06234-3001 DAW 120 (HD 44970) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06234-3001 DAW 120 (HD 44970) : MEASURES
 
 
No records found.

 
 
WDS 06234-3001 (HD 44970) : VIRTUAL EYEPIECE
 
 

06234-3001 DAW 120A mag 9.2 Sp A9V 06234-3001 DAW 120B sep 0.1 P.A. 251.20 mag 9.4 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 06234-3001 (HD 44970) : ALADIN DSS IMAGE @ 06h 23m 25.77s -30° 01' 00.4"
 
 
 
 
WDS 06234-3001 DAW 120 (HD 44970) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06234-3001 DAW 120 distance=0' 06235-2952 B 1046 distance=10' 06224-3028 JSP 866AB distance=30' 06224-3028 JSP 866AC distance=30' 06210-2949 UC 1424 distance=34' 06203-3004 SMY 1AB (Furud) distance=41' 06203-3004 TOK 821Aa,Ab (Furud) distance=41' 06237-3046 JSP 867AB distance=46' 06237-3046 JSP 867AC distance=46' 06237-3046 JSP 867AD distance=46' 06203-2937 JC 3 distance=48' 06208-3034 TDS3760 distance=49' 06197-3042 ALC 6 distance=64' 06264-2908 COO 266 distance=66' 06214-2859 KPP 134 distance=68' 06225-3107 LDS5675 distance=69' 06186-2922 I 1116 distance=75' 06178-2940 TDS3712AB distance=76' 06178-2940 DAM1345AB,C distance=76' 06188-2914 KPP1314 distance=77' 06283-2919 TDS3855 distance=77' 06290-2921 RST 193 distance=84' 06241-2833 TDS3796 distance=89' 06263-3127 KPP2251 distance=94' 06233-2827 WFC 34 distance=94' 06253-3134 WNO 4 distance=96' 06257-3137 PRO 22 distance=101' 06234-2817 B 698 distance=105' 06159-2922 BRT2871 distance=106' 06299-2850 RST1311 distance=111' 06261-2816 RST1308 distance=112' 06318-2930 TDS3902 distance=113' 06157-2908 UC 1416 distance=115' 06240-3156 B 1507 distance=116' 06186-2822 DAW 119 distance=118' 06201-2811 TDS3741 distance=119' 06145-2936 I 349 distance=119' 06243-2801 I 753AB distance=121' 06243-2801 COO 36AB,C distance=121' 06328-3031 I 1117AB distance=126' 06272-3158 NSN 77 distance=127' 06139-3030 HJ 3840 distance=127' 06189-2807 RSS 106 distance=129' 06227-2751 B 697 distance=131' 06244-2747 TDS3799 distance=135' 06331-2911 RST1313 distance=136' 06141-3106 TDS3651 distance=137' 06285-3201 JSP 103 distance=137' 06335-2913 HDS 895 distance=140' 06341-2938 HJ 3871 distance=142' 06150-2831 LDS5673 distance=142' 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 06234-3001 DAW 120 254 0.2
Show 06235-2952 B 1046 32 1.6 10
Show 06224-3028 JSP 866 AB 150 7.0 30
Show 06224-3028 JSP 866 AC 310 12.3 30
Show 06210-2949 UC 1424 63 16.0 34
Show Furud 06203-3004 SMY 1 AB 340 169.6 41
Show Furud 06203-3004 TOK 821 Aa,Ab 87 0.0 41
Show 06237-3046 JSP 867 AB 23 4.9 46
Show 06237-3046 JSP 867 AC 286 12.5 46
Show 06237-3046 JSP 867 AD 339 15.5 46
Show 06203-2937 JC 3 209 13.0 48
Show 06208-3034 TDS3760 21 0.5 49
Show 06197-3042 ALC 6 60 699.0 64
Show 06264-2908 COO 266 219 4.3 66
Show 06214-2859 KPP 134 310 3.8 68
Show 06225-3107 LDS5675 298 29.7 69
Show 06186-2922 I 1116 108 1.8 75
Show 06178-2940 TDS3712 AB 195 0.5 76
Show 06178-2940 DAM1345 AB,C 74 11.5 76
Show 06188-2914 KPP1314 319 10.0 77
Show 06283-2919 TDS3855 324 0.8 77
Show 06290-2921 RST 193 318 1.2 84
Show 06241-2833 TDS3796 308 0.7 89
Show 06263-3127 KPP2251 105 18.7 94
Show 06233-2827 WFC 34 244 9.0 94
Show 06253-3134 WNO 4 352 7.9 96
Show 06257-3137 PRO 22 342 10.1 101
Show 06234-2817 B 698 36 0.2 105
Show 06159-2922 BRT2871 122 4.9 106
Show 06299-2850 RST1311 110 0.5 111
Show 06261-2816 RST1308 288 1.0 112
Show 06318-2930 TDS3902 84 0.5 113
Show 06157-2908 UC 1416 113 18.7 115
Show 06240-3156 B 1507 252 3.9 116
Show 06186-2822 DAW 119 201 3.9 118
Show 06201-2811 TDS3741 14 2.2 119
Show 06145-2936 I 349 42 6.3 119
Show 06243-2801 I 753 AB 51 0.3 121
Show 06243-2801 COO 36 AB,C 241 9.1 121
Show 06328-3031 I 1117 AB 220 4.0 126
Show 06272-3158 NSN 77 30 4.5 127
Show 06139-3030 HJ 3840 232 11.8 127
Show 06189-2807 RSS 106 298 6.8 129
Show 06227-2751 B 697 266 0.2 131
Show 06244-2747 TDS3799 138 0.5 135
Show 06331-2911 RST1313 172 2.4 136
Show 06141-3106 TDS3651 351 0.7 137
Show 06285-3201 JSP 103 23 0.6 137
Show 06335-2913 HDS 895 261 0.3 140
Show 06341-2938 HJ 3871 354 7.7 142
Show 06150-2831 LDS5673 232 216.4 142

 
 
WDS 06234-3001 : COMPONENTS
 
 
  A
B pa=251.2°
sep=0.14"
 
 
06234-3001 A
 
 
Componente originario normalizzato AB Name HD 44970 Coord arcsec 2000 062325.77-300100.4 Mag 9.2
Spectral class A9V (white) PmRA -3.00 PmDE -1.0 SAO 171675
Tycho2 7073-01173-1 HD 44970 ADS 5019 DM CD-29 3054
Tycho2
Tycho2 7073-01173-1 Pflag RAmdeg 95.85739801 DEmdeg -30.01679930
PmRA -6.0 PmDE -0.7 E RAmdeg 6 E DEmdeg 6
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.13 EpDEm 1991.24
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.1 BTmag 8.774 E BTmag 0.017 VTmag 8.424
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 95.85741417 DEdeg -30.01679750 EpRA 1990 1.67
EpDE 1990 1.79 E RAdeg 6.0 E DEdeg 6.0 Posflg
Corr 0.0
SAO
SAO 171675 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 0.025 Vmag 8.5 SpType A5
Double code Source 40 CatNum 2711 DM CD-29 3054
DMcomp BDsup HD 44970 M HD 0
GC RA1950rad 1.66463683 DE1950rad -0.52340943 PmRA2000 -0.0012
PmDE2000 0.026
CCDM
Ccdm 06234-3001 RComp Comp A Note1
Note2 Discov num DRAs 1.65 DDEs 2.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp A5 PmNote *
PmRA -21 PmDE 25 Dm number -29 3054 Cat1 CD
Name2 171675 Cat2 SAO HD 44970 M HD
ADS BDS A 5019 M ADS BDS N IDS IDS 06196S2958A
HIC
 
 
06234-3001 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 062325.76-300100.4 Mag 9.4 Calc delta mag 0.2
Calc coord yes
CCDM
Ccdm 06234-3001 RComp Comp B Note1
Note2 Discov num DAW 120 DRAs DDEs
R dRAs Year 1923 Theta 087 Rho 0.4
Obs 4 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5019 M ADS BDS N IDS IDS 06196S2958B
HIC