stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
07508-7047
HJ 4023 AB
HD 64981


Nearby doubles
34' : 07442-7053
TDS 404

48' : 07470-7003
UC 1614

49' : 07432-7117
UC 1607

60' : 07395-7027
B 1976

67' : 07537-6942
TOI 791

69' : 07547-6941
TDS5331

83' : 07537-6926
TDS5313

83' : 07443-6931
DON 204

86' : 07350-7015
DON 194

86' : 08081-7053
B 2172

87' : 07338-7110
TDS4934

88' : 07535-6920
UC 1622

89' : 07348-7009
GLI 69

90' : 08088-7044
UC 1645

91' : 07515-7217
TOI2214

91' : 07332-7116
B 2147

92' : 07596-6927
TDS5421

93' : 08055-6952
HJ 4055

93' : 08018-7203
B 2167

98' : 07485-7224
TDS5223

100' : 08042-6934
MLO 26

105' : 07381-7211
TDS 389

108' : 07595-6909
MLO 25

109' : 07545-6900
DON 215

118' : 07418-7236
DUN 57

124' : 08087-6924
HJ 4064



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.

07508-7047 HJ 4023 AB (HD 64981)

 
 
07h 50m 47.33s -70° 46' 41.7" P.A. 207.00 sep 1.9 mag 8.47,8.83 Sp A9III dist. 111.36 pc (363.26 l.y.)
 
 
Coord 2000 07508-7047 Discov num HJ 4023 Comp AB Coord arcsec 2000 07 50 47.33 -70 46 41.7
Date first 1901 Date last 2019 Obs 15
Pa first 220 Pa last 206.8 P.A. Now (θ) 206.8°
Sep first 1.8 Sep last 1.944 Sep. Now (ρ) 1.944"
Mag pri 8.47 Mag sec 8.83 delta mag (ΔM) 0.36 Spectral class A9III (white)
Pri motion ra -033 Sec motion ra -033
Pri motion dec +042 Sec motion dec +042
Notes
Nature of this double is uncertain.
 
 
07508-7047 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 64981 256454 07 50 47 -70 46 42 HJ 4023 AB 2019 15 207 1.9 8.47 8.83 0.36 <===
Show 256454 07 50 47 -70 46 42 HJ 4023 AC 2015 4 40 10.9 8.47 13.50 5.03
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 64981 Constellation Volans SAO 256454 HIP 38299
Tycho2 9184-00363-1 Gaia DR2 5270339083135699200 HD 64981 GC 10665
CP CP-70 694 Distance 111.36 Distance ly 363.26
 
 
WDS 07508-7047 HJ 4023 AB (HD 64981) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
07508-7047 HJ 4023 AB 1991 11 210 2.0 8.47 8.83 A9III D 075047.33-704641.7
07508-7047 HJ 4023 AB 2015 11 207 1.9 8.47 8.83 A9III 075047.33-704641.7
07508-7047 HJ 4023 AB 2019 14 207 1.9 8.47 8.83 A9III 075047.33-704641.7

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

 
 
WDS 07508-7047 HJ 4023 AB (HD 64981) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07508-7047 HJ 4023 AB (HD 64981) : MEASURES
 
 
No records found.

 
 
WDS 07508-7047 (HD 64981) : VIRTUAL EYEPIECE
 
 

07508-7047 HJ 4023A mag 8.47 Sp A9III 07508-7047 HJ 4023B sep 1.8 P.A. 189.40 mag 8.83 07508-7047 HJ 4023C sep 8.6 P.A. 15.50 mag 13.5 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 07508-7047 (HD 64981) : ALADIN DSS IMAGE @ 07h 50m 47.33s -70° 46' 41.7"
 
 
 
 
WDS 07508-7047 HJ 4023 AB (HD 64981) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07508-7047 HJ 4023AB distance=1' 07508-7047 HJ 4023AC distance=1' 07442-7053 TDS 404 distance=34' 07470-7003 UC 1614 distance=48' 07432-7117 UC 1607 distance=49' 07395-7027 B 1976 distance=60' 07537-6942 TOI 791 distance=67' 07547-6941 TDS5331 distance=69' 07537-6926 TDS5313 distance=83' 07443-6931 DON 204 distance=83' 07350-7015 DON 194 distance=86' 08081-7053 B 2172 distance=86' 07338-7110 TDS4934 distance=87' 07535-6920 UC 1622 distance=88' 08032-7151 KPP3736BC distance=88' 07348-7009 GLI 69 distance=89' 08088-7044 UC 1645 distance=90' 07515-7217 TOI2214 distance=91' 07332-7116 B 2147 distance=91' 07596-6927 TDS5421 distance=92' 08055-6952 HJ 4055 distance=93' 08018-7203 B 2167 distance=93' 07485-7224 TDS5223 distance=98' 08042-6934 MLO 26 distance=100' 07381-7211 TDS 389 distance=105' 07595-6909 MLO 25 distance=108' 07545-6900 DON 215 distance=109' 07418-7236 DUN 57 distance=118' 08087-6924 HJ 4064 distance=124' 07319-6926 TDS4901 distance=126' 07378-7244 TDS4995 distance=132' 08061-7246 SKF1448 distance=140' 07417-6835 TDS5076 distance=141' 08089-6859 I 192 distance=143' 07351-6838 TDS4957 distance=153' 08079-6837 RMK 7 distance=158' 08083-7302 KPP2882AB distance=158' 08083-7302 TSN 144Aa,Ab distance=158' 07343-6822 TDS4945 distance=169' 07448-6758 SWR 31 distance=173' 07495-6741 DON 208 distance=186' 08027-6748 UC 1639 distance=190' 07579-6741 GLI 78 distance=190' 07572-7356 KPP 168 distance=192' 07468-6736 TDS5195 distance=193' 07322-6801 TOI 925 distance=193' 07535-6733 DON 214 distance=195' 07547-6733 TDS5330 distance=195' 08095-6745 DON1071 distance=207' 07546-7415 B 2161 distance=209' 07390-6728 HJ 4001 distance=209' 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 07508-7047 HJ 4023 AB 207 1.9 1
Show 07508-7047 HJ 4023 AC 40 10.9 1
Show 07442-7053 TDS 404 332 1.4 34
Show 07470-7003 UC 1614 148 29.9 48
Show 07432-7117 UC 1607 66 113.4 49
Show 07395-7027 B 1976 244 1.3 60
Show 07537-6942 TOI 791 26 0.7 67
Show 07547-6941 TDS5331 182 2.7 69
Show 07537-6926 TDS5313 4 0.5 83
Show 07443-6931 DON 204 128 6.2 83
Show 07350-7015 DON 194 17 6.5 86
Show 08081-7053 B 2172 245 1.0 86
Show 07338-7110 TDS4934 313 0.4 87
Show 07535-6920 UC 1622 347 22.6 88
Show 08032-7151 KPP3736 BC 125 3.0 88
Show 07348-7009 GLI 69 329 2.9 89
Show 08088-7044 UC 1645 252 28.5 90
Show 07515-7217 TOI2214 135 0.1 91
Show 07332-7116 B 2147 302 0.9 91
Show 07596-6927 TDS5421 320 0.5 92
Show 08055-6952 HJ 4055 191 5.8 93
Show 08018-7203 B 2167 35 0.8 93
Show 07485-7224 TDS5223 41 0.5 98
Show 08042-6934 MLO 26 115 2.7 100
Show 07381-7211 TDS 389 218 0.7 105
Show 07595-6909 MLO 25 169 4.6 108
Show 07545-6900 DON 215 337 0.9 109
Show 07418-7236 DUN 57 117 16.0 118
Show 08087-6924 HJ 4064 273 14.8 124
Show 07319-6926 TDS4901 213 2.5 126
Show 07378-7244 TDS4995 216 0.5 132
Show 08061-7246 SKF1448 172 12.3 140
Show 07417-6835 TDS5076 339 0.6 141
Show 08089-6859 I 192 172 1.8 143
Show 07351-6838 TDS4957 275 0.6 153
Show 08079-6837 RMK 7 24 5.7 158
Show 08083-7302 KPP2882 AB 51 9.9 158
Show 08083-7302 TSN 144 Aa,Ab 344 0.3 158
Show 07343-6822 TDS4945 86 0.8 169
Show 07448-6758 SWR 31 62 4.9 173
Show 07495-6741 DON 208 255 1.1 186
Show 08027-6748 UC 1639 226 54.0 190
Show 07579-6741 GLI 78 353 2.6 190
Show 07572-7356 KPP 168 89 4.9 192
Show 07468-6736 TDS5195 70 0.5 193
Show 07322-6801 TOI 925 205 2.7 193
Show 07535-6733 DON 214 209 3.2 195
Show 07547-6733 TDS5330 71 0.9 195
Show 08095-6745 DON1071 133 4.2 207
Show 07546-7415 B 2161 301 1.6 209
Show 07390-6728 HJ 4001 313 6.0 209

 
 
WDS 07508-7047 : COMPONENTS
 
 
  A B
B pa=189.4°
sep=1.76"
 
C pa=15.5°
sep=8.64"
pa=14.5°
sep=10.39"
 
 
07508-7047 A
 
 
Name HD 64981 Coord arcsec 2000 075047.33-704641.7 Mag 8.47 Spectral class A9III (white)
PmRA -33.00 PmDE 42.0 SAO 256454 HIP 38299
Tycho2 9184-00363-1 HD 64981 GC 10665 CP CP-70 694
Tycho2
Tycho2 9184-00363-1 Pflag P RAmdeg 117.69668606 DEmdeg -70.77828991
PmRA -32.8 PmDE 41.5 E RAmdeg 7 E DEmdeg 7
E pmRA 1.9 E pmDE 1.8 EpRAm 1991.57 EpDEm 1991.55
Num 5 Q RAmdeg 0.6 Q DEmdeg 1.4 Q pmRA 0.6
Q pmDE 1.4 BTmag 8.781 E BTmag 0.018 VTmag 8.468
E VTmag 0.014 Prox 20 TYC T HIP 38299
CCDM A RAdeg 117.69718056 DEdeg -70.77823583 EpRA 1990 1.74
EpDE 1990 1.72 E RAdeg 6.8 E DEdeg 7.3 Posflg D
Corr 0.1
SAO
SAO 256454 DelFlag RA1950 PmRA1950 -0.0074
DE1950 PmDE1950 0.041 Vmag 8 SpType F0
Double code Source 70 CatNum 10665 DM CP-70 694
DMcomp BDsup HD 64981 M HD 0
GC 10665 RA1950rad 2.05533342 DE1950rad -1.23306249 PmRA2000 -0.0081
PmDE2000 0.045
Hipparcos
Catalog H HIP 38299 Proxy H RAhms 07 50 47.33
DEdms -70 46 41.7 Vmag 7.86 VarFlag R Vmag H
RAdeg 117.697 DEdeg -70.7782 AstroRef A Plx 7.47
CCDM 07508-7047 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 210 Rho 1.953 HD 64981 BD
CD CP CP-70 694 Dm number -70 694 VIred 0.37
SpType A9III R SpType Coord arcsec 2000 075047.33-704641.7
Hipparcos 2
HIP 38299 Sn 15 So 3 Nc 2
RArad 2.0542035797 DErad -1.2353133705 Plx 8.98 PmRA -37.08
PmDE 39.53 E RArad 0.89 E DErad 1.01 E Plx 0.93
E pmRA 1.25 E pmDE 1.15 Hpmag 7.9355 E Hpmag 0.0013
SHp 0.011 VA 0 BV 0.322 E BV 0.002
VI 0.37
CCDM
Ccdm 07508-7047 RComp Comp A Note1
Note2 Discov num DRAs -0.90 DDEs 18.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.5 Sp F0 PmNote *
PmRA -39 PmDE 42 Dm number -70 694 Cat1 CPD
Name2 256454 Cat2 SAO HD 64981 M HD
ADS BDS M ADS BDS N IDS IDS 07513S7031A
HIC 38299
 
 
07508-7047 B
 
 
Coord arcsec 2000 075047.27-704643.4 Mag 8.83 PmRA -33.00 PmDE 42.0
Tycho2 9184-00363-2 Calc delta mag 0.36 Calc coord yes
Tycho2
Tycho2 9184-00363-2 Pflag P RAmdeg 117.69668606 DEmdeg -70.77828991
PmRA -32.8 PmDE 41.5 E RAmdeg 7 E DEmdeg 7
E pmRA 1.9 E pmDE 1.8 EpRAm 1991.57 EpDEm 1991.55
Num 5 Q RAmdeg 0.6 Q DEmdeg 1.4 Q pmRA 0.6
Q pmDE 1.4 BTmag 9.270 E BTmag 0.020 VTmag 8.833
E VTmag 0.016 Prox 20 TYC T HIP 38299
CCDM B RAdeg 117.69634917 DEdeg -70.77870389 EpRA 1990 1.75
EpDE 1990 1.70 E RAdeg 9.2 E DEdeg 10.0 Posflg D
Corr 0.1
CCDM
Ccdm 07508-7047 RComp Comp B Note1
Note2 Discov num HJ 4023 DRAs DDEs
R dRAs Year 1901 Theta 219 Rho 2.0
Obs 6 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 07513S7031B
HIC 38299
 
 
07508-7047 C
 
 
Coord arcsec 2000 075047.80-704633.4 Mag 13.5 PmRA 10.00 PmDE 25.0
Calc delta mag 5.03 Calc coord yes
CCDM
Ccdm 07508-7047 RComp Comp C Note1
Note2 Discov num HJ 4023 DRAs DDEs
R dRAs Year Theta 018 Rho 12.0
Obs Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 07513S7031C
HIC