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Current system
07461+2107
HO 247
HD 62720


Nearby doubles
20' : 07453+2052
HJ 428

26' : 07470+2045
HU 845

29' : 07449+2044
BAR9007AB

38' : 07452+2142
GRV 739

38' : 07440+2044
SKF2629

42' : 07450+2146
TVB 170

63' : 07455+2006
BAR 33AB

66' : 07492+2157
STJ 36

67' : 07459+2000
HJ 2414

68' : 07467+2001
RED 9

69' : 07492+2015
OCC 815

69' : 07417+2138
HO 523AB

78' : 07517+2104
HO 248

79' : 07448+1954
HJ 2412

80' : 07463+2227
SLW 203

83' : 07410+2148
STF1124AB

85' : 07486+2224
BRT2378

85' : 07521+2123
SLW 208

88' : 07483+1946
TDS5217

88' : 07416+2207
OCC 786

88' : 07411+2016
TDS5056

91' : 07524+2046
KPP3205

92' : 07506+2001
HJ 2418

93' : 07419+1956
SLW 200

95' : 07409+2007
KPP 164

103' : 07400+2203
WAA 32



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.

07461+2107 HO 247 (HD 62720)

 
 
07h 46m 07.95s +21° 07' 19.2" P.A. 260.00 sep 0.5 mag 7.67,9.19 Sp F2 dist. 110.5 pc (360.45 l.y.)
 
 
Coord 2000 07461+2107 Discov num HO  247 Comp Coord arcsec 2000 07 46 07.95 +21 07 19.2
Date first 1887 Date last 2014 Obs 90
Pa first 101 Pa last 259.6 P.A. Now (θ) 259.6°
Sep first 0.4 Sep last 0.482 Sep. Now (ρ) 0.482"
Mag pri 7.67 Mag sec 9.19 delta mag (ΔM) 1.52 Spectral class F2 (yellow-white)
Pri motion ra +033 Sec motion ra +033
Pri motion dec -007 Sec motion dec -007
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 62720 Constellation Gemini SAO 79680 HIP 37909
Tycho2 1374-01571-1 HD 62720 ADS 6347 BD BD+21 1679
Distance 110.5 Distance ly 360.45
 
 
ORBITAL ELEMENTS
 
 
Period (P)350.8y Periastron (T)1892.44y Semi-major axis (a)0.561a
Eccentricity (e)0.291 Inclination (i)52.9° Longitude of periastron (ω)339.8°
Node (Ω)117.2° Notes ReferenceUSN1999b
Equinox2000 Last observation1995 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 247.3 0.459
2001 248.2 0.463
2002 249.0 0.468
2003 249.9 0.472
2004 250.7 0.477
2005 251.5 0.481
2006 252.3 0.486
2007 253.1 0.491
2008 253.9 0.495
2009 254.6 0.500
2010 255.4 0.504
2011 256.1 0.509
2012 256.8 0.513
2013 257.5 0.517
2014 258.2 0.522
2015 258.9 0.526
2016 259.5 0.531
2017 260.2 0.535
2018 260.8 0.539
2019 261.5 0.544
2020 262.1 0.548
2021 262.7 0.552
2022 263.3 0.557
2023 263.9 0.561
2024 264.5 0.565
2025 265.1 0.569
2026 265.7 0.573
2027 266.2 0.577
2028 266.8 0.581
2029 267.3 0.585
2030 267.9 0.589


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


 
  


wds07461%2B2107a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 07461+2107 HO 247 (HD 62720) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
USN1999b orb - Seymour, D. & Hartkopf, W. 1999IAUDS.139Q...2S
USN1999b Inf. Circ. 139, 2, 1999
 
 
DISCOVERER
 
 
idgroup discov author
1 HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
07461+2107 HO 247 2005 83 251 0.4 7.67 9.19 F2 NOD 074607.95+210719.2
07461+2107 HO 247 2007 85 254 0.5 7.67 9.19 F2 NOD 074607.95+210719.2
07461+2107 HO 247 2010 86 259 0.4 7.67 9.19 F2 NOD 074607.95+210719.2
07461+2107 HO 247 2012 89 257 0.5 7.67 9.19 F2 O 074607.95+210719.2
07461+2107 HO 247 2014 90 260 0.5 7.67 9.19 F2 O 074607.95+210719.2

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

 
 
WDS 07461+2107 HO 247 (HD 62720) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07461+2107 HO 247 (HD 62720) : MEASURES
 
 
No records found.

 
 
WDS 07461+2107 (HD 62720) : VIRTUAL EYEPIECE
 
 

07461+2107 HO 247A mag 7.67 Sp F2 07461+2107 HO 247B sep 0.5 P.A. 258.90 mag 9.19 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 07461+2107 (HD 62720) : ALADIN DSS IMAGE @ 07h 46m 07.95s +21° 07' 19.2"
 
 
 
 
WDS 07461+2107 HO 247 (HD 62720) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07461+2107 HO 247 distance=1' 07453+2052 HJ 428 distance=20' 07470+2045 HU 845 distance=26' 07449+2044 BAR9007AB distance=29' 07449+2044 BAR9007AC distance=29' 07452+2142 GRV 739 distance=38' 07440+2044 SKF2629 distance=38' 07450+2146 TVB 170 distance=42' 07455+2006 BAR 33AB distance=63' 07455+2006 BAR 33AB,C distance=63' 07492+2157 STJ 36 distance=66' 07459+2000 HJ 2414 distance=67' 07467+2001 RED 9 distance=68' 07492+2015 OCC 815 distance=69' 07417+2138 HO 523AB distance=69' 07417+2138 HO 523AC distance=69' 07417+2138 BKO 113AD distance=69' 07517+2104 HO 248 distance=78' 07448+1954 HJ 2412 distance=79' 07463+2227 SLW 203 distance=80' 07410+2148 OCC 212Aa,Ab distance=83' 07410+2148 STF1124AB distance=83' 07410+2148 VAS 14AC distance=83' 07410+2148 VAS 14AD distance=83' 07410+2148 VAS 14AE distance=83' 07486+2224 BRT2378 distance=85' 07521+2123 SLW 208 distance=85' 07483+1946 TDS5217 distance=88' 07416+2207 OCC 786 distance=88' 07411+2016 TDS5056 distance=88' 07524+2046 KPP3205 distance=91' 07506+2001 HJ 2418 distance=92' 07419+1956 SLW 200 distance=93' 07409+2007 KPP 164 distance=95' 07400+2203 WAA 32 distance=103' 07534+2050 SIN 33BC distance=104' 07528+2022 NSN 580 distance=104' 07534+2050 HJ 432AB distance=104' 07534+2050 SIN 33AC distance=104' 07506+1944 COU 926 distance=105' 07519+2215 AG 144AB distance=106' 07519+2215 COU 927BC distance=106' 07451+1921 WAA 33 distance=108' 07540+2104 OCC 640 distance=110' 07527+2003 COU 928 distance=113' 07445+1912 TDS5150 distance=118' 07481+2301 POU2892 distance=118' 07503+2251 POU2896 distance=118' 07382+2150 SKF1616 distance=119' 07377+2101 BAR 32AB distance=119' 07377+2101 BAR 32AC distance=119' 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 07461+2107 HO 247 260 0.5 1
Show 07453+2052 HJ 428 277 14.5 20
Show 07470+2045 HU 845 140 0.7 26
Show 07449+2044 BAR9007 AB 169 5.7 29
Show 07449+2044 BAR9007 AC 153 69.6 29
Show 07452+2142 GRV 739 251 19.3 38
Show 07440+2044 SKF2629 26 1.2 38
Show 07450+2146 TVB 170 309 24.6 42
Show 07455+2006 BAR 33 AB 344 1.7 63
Show 07455+2006 BAR 33 AB,C 293 138.1 63
Show 07492+2157 STJ 36 227 1.1 66
Show 07459+2000 HJ 2414 239 9.2 67
Show 07467+2001 RED 9 206 0.3 68
Show 07492+2015 OCC 815 -1 0.1 69
Show 07417+2138 HO 523 AB 325 8.7 69
Show 07417+2138 HO 523 AC 3 33.9 69
Show 07417+2138 BKO 113 AD 130 13.2 69
Show 07517+2104 HO 248 75 20.9 78
Show 07448+1954 HJ 2412 169 7.3 79
Show 07463+2227 SLW 203 340 123.6 80
Show 07410+2148 OCC 212 Aa,Ab -1 0.3 83
Show 07410+2148 STF1124 AB 325 19.3 83
Show 07410+2148 VAS 14 AC 347 78.3 83
Show 07410+2148 VAS 14 AD 305 106.3 83
Show 07410+2148 VAS 14 AE 38 125.9 83
Show 07486+2224 BRT2378 111 5.0 85
Show 07521+2123 SLW 208 333 55.2 85
Show 07483+1946 TDS5217 130 0.4 88
Show 07416+2207 OCC 786 -1 0.1 88
Show 07411+2016 TDS5056 168 0.5 88
Show 07524+2046 KPP3205 39 0.9 91
Show 07506+2001 HJ 2418 217 21.5 92
Show 07419+1956 SLW 200 117 27.3 93
Show 07409+2007 KPP 164 240 5.0 95
Show 07400+2203 WAA 32 213 1.6 103
Show 07534+2050 SIN 33 BC 356 95.2 104
Show 07528+2022 NSN 580 138 3.1 104
Show 07534+2050 HJ 432 AB 277 15.0 104
Show 07534+2050 SIN 33 AC 348 99.1 104
Show 07506+1944 COU 926 250 0.2 105
Show 07519+2215 AG 144 AB 339 11.6 106
Show 07519+2215 COU 927 BC 209 0.9 106
Show 07451+1921 WAA 33 68 1.3 108
Show 07540+2104 OCC 640 -1 0.1 110
Show 07527+2003 COU 928 99 5.6 113
Show 07445+1912 TDS5150 111 0.7 118
Show 07481+2301 POU2892 234 8.3 118
Show 07503+2251 POU2896 352 4.7 118
Show 07382+2150 SKF1616 51 2.1 119
Show 07377+2101 BAR 32 AB 127 1.3 119
Show 07377+2101 BAR 32 AC 29 46.2 119

 
 
WDS 07461+2107 : COMPONENTS
 
 
  A
B pa=258.9°
sep=0.45"
 
 
07461+2107 A
 
 
Componente originario normalizzato AB Name HD 62720 Coord arcsec 2000 074607.95+210719.2 Mag 7.67
Spectral class F2 (yellow-white) PmRA 33.00 PmDE -7.0 SAO 79680
HIP 37909 Tycho2 1374-01571-1 HD 62720 ADS 6347
BD BD+21 1679
Tycho2
Tycho2 1374-01571-1 Pflag RAmdeg 116.53311696 DEmdeg 21.12197913
PmRA 33.0 PmDE -7.1 E RAmdeg 4 E DEmdeg 5
E pmRA 0.8 E pmDE 0.7 EpRAm 1991.37 EpDEm 1991.05
Num 20 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.1 BTmag 7.900 E BTmag 0.015 VTmag 7.478
E VTmag 0.011 Prox 999 TYC T HIP 37909
CCDM AB RAdeg 116.53303667 DEdeg 21.12199528 EpRA 1990 1.82
EpDE 1990 1.71 E RAdeg 4.4 E DEdeg 5.2 Posflg P
Corr 0.2
SAO
SAO 79680 DelFlag RA1950 PmRA1950 0.0024
DE1950 PmDE1950 -0.003 Vmag 7.8 SpType F2
Double code Source 35 CatNum 3111 DM BD+21 1679
DMcomp BDsup HD 62720 M HD 0
GC RA1950rad 2.02100865 DE1950rad 0.37079261 PmRA2000 0.0023
PmDE2000 0
Hipparcos
Catalog H HIP 37909 Proxy H RAhms 07 46 07.94
DEdms +21 07 19.3 Vmag 7.41 VarFlag R Vmag G
RAdeg 116.533 DEdeg 21.122 AstroRef A Plx 9.49
CCDM 07461+2107 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 238 Rho 0.418 HD 62720 BD BD+21 1679
CD CP Dm number +21 1679 VIred 0.45
SpType F2 R SpType Coord arcsec 2000 074607.94+210719.3
Hipparcos 2
HIP 37909 Sn 15 So 3 Nc 2
RArad 2.0338857332 DErad 0.3686488127 Plx 9.05 PmRA 29.94
PmDE -5.95 E RArad 0.82 E DErad 0.45 E Plx 0.83
E pmRA 0.81 E pmDE 0.43 Hpmag 7.4957 E Hpmag 0.0012
SHp 0.009 VA 0 BV 0.384 E BV 0.005
VI 0.45
CCDM
Ccdm 07461+2107 RComp Comp A Note1
Note2 Discov num DRAs 1.90 DDEs 18.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F2 PmNote *
PmRA 29 PmDE -13 Dm number +21 1679 Cat1 BD
Name2 +21 864 Cat2 AGK2/3 HD 62720 M HD
ADS BDS A 6347 M ADS BDS N IDS IDS 07402N2122A
HIC 37909
 
 
07461+2107 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 074607.92+210719.1 Mag 9.19 PmRA 33.00
PmDE -7.0 Calc delta mag 1.52 Calc coord yes
CCDM
Ccdm 07461+2107 RComp Comp B Note1 *
Note2 Discov num HO 247 DRAs DDEs
R dRAs Year 1958 Theta 200 Rho 0.4
Obs 99 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6347 M ADS BDS N IDS IDS 07402N2122B
HIC 37909