stampa
Login

Never registered to Stelle Doppie? It's like a Ferrari without wheels. Register now to releveal the full potential!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
08447+1809
TOK 3 Aa,Ab


Nearby doubles
22' : 08462+1811
HDS1268

36' : 08469+1753
CUD 4

42' : 08455+1849
SKF1629

45' : 08453+1853
HJL1052AB

46' : 08477+1757
CVR 506

48' : 08423+1843
SLW 281

49' : 08445+1858
SLW 284

51' : 08481+1757
BPM 453

54' : 08439+1902
BLL 26

56' : 08481+1836
COU 956

60' : 08449+1710
COU 954

60' : 08431+1904
OCC 630

63' : 08415+1852
BOV 49AB

64' : 08407+1839
BOV 46

64' : 08478+1723
DAM1484

67' : 08481+1724
HJ 4135

68' : 08461+1705
COU 955

71' : 08406+1731
KPP3757

71' : 08462+1915
STF1269AB

72' : 08397+1801
CBL 264

72' : 08466+1915
SLW 291

75' : 08411+1904
BOV 48

77' : 08448+1926
GWP1074

77' : 08437+1654
A 2546

78' : 08419+1915
SLE 337

78' : 08500+1752
KU 33



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.

08447+1809 TOK 3 Aa,Ab

 
 
08h 44m 41.10s +18° 09' 15.5" P.A. 166.00 sep 0.0 mag 3.94,4.90 Sp K0III dist. 40.03 pc (130.58 l.y.)
 
 
Coord 2000 08447+1809 Discov num TOK   3 Comp Aa,Ab Coord arcsec 2000 08 44 41.10 +18 09 15.5
Date first 1982 Date last 1988 Obs 3
Pa first 194 Pa last 165.5 P.A. Now (θ) 165.5°
Sep first 0.1 Sep last 0.048 Sep. Now (ρ) 0.048"
Mag pri 3.94 Mag sec 4.90 delta mag (ΔM) 0.96 Spectral class K0III (yellow-orange)
Pri motion ra -018 Sec motion ra
Pri motion dec -229 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
08447+1809 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 98087 08 44 41 +18 09 16 TOK 3 Aa,Ab 1988 3 166 0.0 3.94 4.90 0.96 <===
Show Asellus Australis 98087 08 44 41 +18 09 16 HJ 457 AB 2018 15 71 40.9 3.94 12.20 8.26
Show 08 44 44 +18 09 25 DAM 1478 BC 2015 2 80 2.9 12.20 16.60 4.40
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Asellus Australis Constellation Cancer SAO 98087 HIP 42911
Tycho2 1396-02758-1 Gaia DR2 660136821288967296 HD 74442 HR 3461
GC 12022 ADS 6967 BD BD+18 2027 Bayer Delta Cancri
Bayer name Del Cnc Flamsteed 47 Cancri Flamsteed name 47 Cnc FK5 326
Distance 40.03 Distance ly 130.58 Bayer greek δ Cnc
Meaning Southern ass
 
 
WDS 08447+1809 TOK 3 Aa,Ab : NOTES
 
 
discov_num notes refcode
TOK 3 Aa,Ab: del Cnc = 47 Cnc = Asellus Australis.
HJ 457 AB: Optical pair, based on study of relative motion of the
components using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 DAM Damm, F.
403 HJ Herschel, J.F.W.
452 TOK Tokovinin, A.A.
499 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
499 TOK Weigelt, G.
513 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
513 TOK Martinez, M., & Mondaca, E.
581 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
581 TOK Ratzloff, J. & Walter, F.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08447+1809 TOK 3 Aa,Ab 1988 3 166 0.0 3.94 4.90 K0III N D 084441.11+180917.5

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

 
 
WDS 08447+1809 TOK 3 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08447+1809 TOK 3 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 08447+1809 : VIRTUAL EYEPIECE
 
 

08447+1809 HJ 457A mag 3.94 Sp K0III 08447+1809 TOK 3Ab mag 4.9 08447+1809 DAM1478B sep 39.6 P.A. 76.40 mag 12.2 08447+1809 DAM1478C sep 42.3 P.A. 76.60 mag 16.6 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 08447+1809 : ALADIN DSS IMAGE @ 08h 44m 41.10s +18° 09' 15.5"
 
 
 
 
WDS 08447+1809 TOK 3 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08447+1809 TOK 3Aa,Ab (Asellus Australis) distance=0' 08447+1809 DAM1478BC distance=1' 08462+1811 HDS1268 distance=22' 08469+1753 CUD 4 distance=36' 08455+1849 SKF1629 distance=42' 08453+1853 HJL1052AB distance=45' 08477+1757 CVR 506 distance=46' 08453+1853 BRT2391BC distance=46' 08423+1843 SLW 281 distance=48' 08445+1858 SLW 284 distance=49' 08481+1757 BPM 453 distance=51' 08439+1902 BLL 26 distance=54' 08481+1836 COU 956 distance=56' 08449+1710 COU 954 distance=60' 08431+1904 OCC 630 distance=60' 08415+1852 BOV 49AB distance=63' 08415+1852 BOV 49AC distance=63' 08407+1839 BOV 46 distance=64' 08478+1723 DAM1484 distance=64' 08481+1724 HJ 4135 distance=67' 08461+1705 COU 955 distance=68' 08406+1731 KPP3757 distance=71' 08462+1915 STF1269AB distance=71' 08462+1915 FYM 619AC distance=71' 08397+1801 CBL 264 distance=72' 08466+1915 SLW 291 distance=72' 08411+1904 BOV 48 distance=75' 08448+1926 GWP1074 distance=77' 08437+1654 A 2546 distance=77' 08419+1915 SLE 337 distance=78' 08500+1752 KU 33 distance=78' 08489+1718 FMR 82 distance=79' 08431+1926 BOV 53AB distance=81' 08425+1924 BOV 50 distance=81' 08413+1916 KU 32 distance=82' 08389+1758 OCC 787 distance=84' 08400+1900 SLE 333 distance=84' 08507+1800 A 2473 distance=86' 08404+1911 BOV 44 distance=88' 08404+1913 BOV 43 distance=88' 08510+1802 BRT2392 distance=90' 08509+1802 SCA 206 distance=90' 08392+1856 SLE 332 distance=92' 08466+1937 SLW 292 distance=93' 08452+1941 BOV 54AB distance=93' 08452+1941 BOV 54Aa,Ab distance=93' 08452+1941 BOV 54AC distance=93' 08448+1942 GII 57 distance=93' 08403+1921 CHR 130 distance=95' 08431+1947 BOV 52 distance=101' 08392+1703 GWP1061 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 Asellus Australis 08447+1809 TOK 3 Aa,Ab 166 0.0
Show Asellus Australis 08447+1809 HJ 457 AB 71 40.9
Show 08447+1809 DAM1478 BC 80 2.9 1
Show 08462+1811 HDS1268 182 0.3 22
Show 08469+1753 CUD 4 147 5.1 36
Show 08455+1849 SKF1629 298 8.5 42
Show 08453+1853 HJL1052 AB 326 64.3 45
Show 08477+1757 CVR 506 301 19.8 46
Show 08453+1853 BRT2391 BC 45 7.6 46
Show 08423+1843 SLW 281 344 69.3 48
Show 08445+1858 SLW 284 284 76.3 49
Show 08481+1757 BPM 453 200 92.1 51
Show 08439+1902 BLL 26 270 72.7 54
Show 08481+1836 COU 956 23 0.3 56
Show 08449+1710 COU 954 55 0.2 60
Show 08431+1904 OCC 630 -1 0.1 60
Show 08415+1852 BOV 49 AB 238 1.8 63
Show 08415+1852 BOV 49 AC 287 1.8 63
Show 08407+1839 BOV 46 187 0.6 64
Show 08478+1723 DAM1484 340 7.7 64
Show 08481+1724 HJ 4135 49 43.1 67
Show 08461+1705 COU 955 232 3.5 68
Show 08406+1731 KPP3757 9 1.9 71
Show 08462+1915 STF1269 AB 309 11.4 71
Show 08462+1915 FYM 619 AC 198 11.9 71
Show 08397+1801 CBL 264 206 28.3 72
Show 08466+1915 SLW 291 50 100.4 72
Show 08411+1904 BOV 48 123 0.4 75
Show 08448+1926 GWP1074 330 130.4 77
Show 08437+1654 A 2546 219 1.2 77
Show 08419+1915 SLE 337 348 22.8 78
Show 08500+1752 KU 33 99 8.6 78
Show 08489+1718 FMR 82 245 169.4 79
Show 08431+1926 BOV 53 AB 159 0.1 81
Show 08425+1924 BOV 50 306 2.9 81
Show 08413+1916 KU 32 165 2.2 82
Show 08389+1758 OCC 787 -1 0.1 84
Show 08400+1900 SLE 333 25 25.2 84
Show 08507+1800 A 2473 92 0.2 86
Show 08404+1911 BOV 44 192 2.5 88
Show 08404+1913 BOV 43 205 0.5 88
Show 08510+1802 BRT2392 88 3.7 90
Show 08509+1802 SCA 206 88 3.7 90
Show 08392+1856 SLE 332 214 19.2 92
Show 08466+1937 SLW 292 312 160.9 93
Show 08452+1941 BOV 54 AB 238 0.4 93
Show 08452+1941 BOV 54 Aa,Ab 119 0.1 93
Show 08452+1941 BOV 54 AC 287 5.3 93
Show 08448+1942 GII 57 287 5.2 93
Show 08403+1921 CHR 130 160 0.1 95
Show 08431+1947 BOV 52 222 0.4 101

 
 
WDS 08447+1809 : COMPONENTS
 
 
  A Ab B
Ab pa=166.2°
sep=0.05"
 
B pa=76.4°
sep=39.59"
pa=76.3°
sep=39.59"
 
C pa=76.6°
sep=42.30"
pa=76.6°
sep=42.30"
pa=79.7°
sep=2.72"
 
 
08447+1809 A
 
 
Common name Asellus Australis Meaning Southern ass Coord arcsec 2000 084441.10+180915.5 Mag 3.94
Spectral class K0III (yellow-orange) PmRA -18.00 PmDE -229.0 SAO 98087
HIP 42911 Tycho2 1396-02758-1 HD 74442 HR 3461
GC 12022 BD BD+18 2027 Bayer Delta Cancri Bayer name Del Cnc
Flamsteed 47 Cancri Flamsteed name 47 Cnc FK5 326
Tycho2
Tycho2 1396-02758-1 Pflag RAmdeg 131.17125265 DEmdeg 18.15430914
PmRA -17.0 PmDE -227.9 E RAmdeg 3 E DEmdeg 4
E pmRA 0.3 E pmDE 0.4 EpRAm 1990.28 EpDEm 1989.28
Num 29 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 0.8 BTmag 5.311 E BTmag 0.014 VTmag 4.048
E VTmag 0.009 Prox 999 TYC T HIP 42911
CCDM RAdeg 131.17129278 DEdeg 18.15485889 EpRA 1990 1.90
EpDE 1990 1.32 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr 0.0
SAO
SAO 98087 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.233 Vmag 4.2 SpType K0
Double code Source 74 CatNum 326 DM BD+18 2027
DMcomp BDsup HD 74442 M HD 0
GC 12022 RA1950rad 2.27698176 DE1950rad 0.32008289 PmRA2000 -0.0013
PmDE2000 -0.229
Hipparcos
Catalog H HIP 42911 Proxy RAhms 08 44 41.11
DEdms +18 09 17.5 Vmag 3.94 VarFlag R Vmag G
RAdeg 131.171 DEdeg 18.1549 AstroRef Plx 23.97
CCDM 08447+1809 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 74442 BD BD+18 2027
CD CP Dm number +18 2027 VIred 1.01
SpType K0III R SpType Coord arcsec 2000 084441.11+180917.5
Hipparcos 2
HIP 42911 Sn 5 So 0 Nc 1
RArad 2.2893709279 DErad 0.3168621473 Plx 24.98 PmRA -17.67
PmDE -229.26 E RArad 0.23 E DErad 0.12 E Plx 0.24
E pmRA 0.27 E pmDE 0.18 Hpmag 4.1036 E Hpmag 0.0006
SHp 0.003 VA 0 BV 1.083 E BV 0.005
VI 1.01
CCDM
Ccdm 08447+1809 RComp Comp A Note1
Note2 Discov num DRAs -0.90 DDEs 15.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.2 Sp K0 PmNote *
PmRA -17 PmDE -233 Dm number +18 2027 Cat1 BD
Name2 98087 Cat2 SAO HD 74442 M HD
ADS BDS A 6967 M ADS BDS N IDS IDS 08390N1831A
HIC 42911
 
 
08447+1809 Ab
 
 
Coord arcsec 2000 084441.10+180915.5 Mag 4.9 Calc delta mag 0.96 Calc coord yes
 
 
08447+1809 B
 
 
Coord arcsec 2000 084443.80+180924.8 Coord calc 084443.80+180924.8 Mag 12.2 PmRA -18.00
PmDE -6.0 Calc delta mag 8.26
CCDM
Ccdm 08447+1809 RComp Comp B Note1
Note2 Discov num HJ 457 DRAs 1.80 DDEs 24.1
R dRAs 90 Year 1958 Theta 090 Rho 38.4
Obs 8 Vmag 12.2 Sp PmNote *
PmRA -10 PmDE -20 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6967 M ADS BDS N N IDS IDS 08390N1831B
HIC
 
 
08447+1809 C
 
 
Coord arcsec 2000 084443.99+180925.3 Mag 16.6 PmRA -15.00 PmDE -7.0
Calc delta mag 12.66 Calc coord yes