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Doubles in session


Current system
07186-3048
HJ 3949
HD 57120


Nearby doubles
22' : 07170-3054
BSO 2

26' : 07167-3043
DAW 124

28' : 07165-3047
BRT2887

34' : 07171-3117
BRT2889

35' : 07163-3029
JSP 146

40' : 07210-3111
FMP 3AB

40' : 07214-3102
FMP 4AB

40' : 07164-3116
TDS4655

41' : 07208-3116
DAM 334

42' : 07216-3102
DAM 338

43' : 07178-3130
BRT1602

44' : 07214-3025
B 1538

44' : 07214-3112
DAM 337AB

45' : 07151-3045
JSP 145

47' : 07219-3105
NSN 326

47' : 07206-3126
BRT2896

51' : 07153-3020
TDS4631

51' : 07161-3008
RSS 127

52' : 07184-2957
RST 243

58' : 07141-3050
LDS5691

66' : 07182-2943
B 1534

66' : 07146-3130
COO 48

67' : 07136-3101
HO 520

70' : 07132-3058
HJ 3940

72' : 07240-3102
FMP 6

72' : 07185-3200
B 1535



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.

07186-3048 HJ 3949 (HD 57120)

 
 
07h 18m 33.41s -30° 47' 55.6" P.A. 75.00 sep 3.1 mag 7.67,7.87 Sp B2V dist. 613.5 pc (2001.24 l.y.)
 
 
Coord 2000 07186-3048 Discov num HJ 3949 Comp Coord arcsec 2000 07 18 33.41 -30 47 55.6
Date first 1835 Date last 2020 Obs 28
Pa first 80 Pa last 74.6 P.A. Now (θ) 74.6°
Sep first 2.0 Sep last 3.107 Sep. Now (ρ) 3.107"
Mag pri 7.67 Mag sec 7.87 delta mag (ΔM) 0.2 Spectral class B2V (blue-white)
Pri motion ra -003 Sec motion ra -003
Pri motion dec +005 Sec motion dec +005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 57120 Constellation Canis Major SAO 197827 HIP 35391
Tycho2 7103-02653-1 Gaia DR2 5605186106611784576 HD 57120 GC 9735
CD CD-30 4276 CP CP-30 1612 Distance 613.5 Distance ly 2001.24
 
 
WDS 07186-3048 HJ 3949 (HD 57120) : 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
07186-3048 HJ 3949 1993 26 77 3.0 7.67 7.87 B2V 071833.41-304755.6
07186-3048 HJ 3949 1999 27 77 3.0 7.67 7.87 B2V 071833.41-304755.6
07186-3048 HJ 3949 2020 28 75 3.1 7.67 7.87 B2V 071833.41-304755.6

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

 
 
WDS 07186-3048 HJ 3949 (HD 57120) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07186-3048 HJ 3949 (HD 57120) : MEASURES
 
 
No records found.

 
 
WDS 07186-3048 (HD 57120) : VIRTUAL EYEPIECE
 
 

07186-3048 HJ 3949A mag 7.67 Sp B2V 07186-3048 HJ 3949B sep 2.7 P.A. 72.20 mag 7.87 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 07186-3048 (HD 57120) : ALADIN DSS IMAGE @ 07h 18m 33.41s -30° 47' 55.6"
 
 
 
 
WDS 07186-3048 HJ 3949 (HD 57120) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07186-3048 HJ 3949 distance=0' 07170-3054 BSO 2 distance=22' 07167-3043 DAW 124 distance=26' 07165-3047 BRT2887 distance=28' 07171-3117 BRT2889 distance=34' 07163-3029 JSP 146 distance=35' 07210-3111 FMP 3AB distance=40' 07210-3111 FMP 3AC distance=40' 07214-3102 FMP 4AB distance=40' 07214-3102 FMP 4AC distance=40' 07214-3102 FMP 4AD distance=40' 07214-3102 FMP 4AE distance=40' 07214-3102 FMP 4AF distance=40' 07164-3116 TDS4655 distance=40' 07208-3116 DAM 334 distance=41' 07216-3102 DAM 338 distance=42' 07178-3130 BRT1602 distance=43' 07214-3025 B 1538 distance=44' 07214-3112 DAM 337AB distance=44' 07214-3112 DAM 337AC distance=44' 07151-3045 JSP 145 distance=45' 07219-3105 NSN 326 distance=47' 07206-3126 BRT2896 distance=47' 07153-3020 TDS4631 distance=51' 07161-3008 RSS 127 distance=51' 07184-2957 RST 243 distance=52' 07141-3050 LDS5691 distance=58' 07182-2943 B 1534 distance=66' 07160-3145 TDS4649BC distance=66' 07160-3145 DAM1370A,BC distance=66' 07146-3130 COO 48 distance=66' 07136-3101 HO 520 distance=67' 07132-3058 HJ 3940 distance=70' 07240-3102 FMP 6 distance=72' 07185-3200 B 1535 distance=72' 07126-3105 JSP 879 distance=79' 07246-3104 FMP 9AB distance=80' 07246-3104 FMP 9AC distance=80' 07159-2934 KPP1147 distance=82' 07207-2930 TDS4721 distance=83' 07207-3207 FMP 1 distance=84' 07121-3049 VIG 9AB distance=84' 07121-3049 VIG 9AC distance=84' 07121-3049 SKF1442AD distance=84' 07160-2930 HJ 2370 distance=86' 07121-3026 JSP 877 distance=88' 07253-3028 I 1061 distance=90' 07208-3213 DAM 333 distance=90' 07186-2918 HDS1014 distance=91' 07203-2920 B 1537 distance=91' 07241-3146 FMP 7AB distance=93' 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 07186-3048 HJ 3949 75 3.1
Show 07170-3054 BSO 2 183 37.5 22
Show 07167-3043 DAW 124 308 4.8 26
Show 07165-3047 BRT2887 343 5.0 28
Show 07171-3117 BRT2889 279 2.6 34
Show 07163-3029 JSP 146 210 1.2 35
Show 07210-3111 FMP 3 AB 12 7.5 40
Show 07210-3111 FMP 3 AC 330 8.8 40
Show 07214-3102 FMP 4 AB 137 9.9 40
Show 07214-3102 FMP 4 AC 53 13.5 40
Show 07214-3102 FMP 4 AD 95 13.2 40
Show 07214-3102 FMP 4 AE 142 23.6 40
Show 07214-3102 FMP 4 AF 201 24.6 40
Show 07164-3116 TDS4655 114 0.6 40
Show 07208-3116 DAM 334 62 6.0 41
Show 07216-3102 DAM 338 201 4.0 42
Show 07178-3130 BRT1602 314 6.7 43
Show 07214-3025 B 1538 358 1.1 44
Show 07214-3112 DAM 337 AB 286 8.0 44
Show 07214-3112 DAM 337 AC 116 10.0 44
Show 07151-3045 JSP 145 233 2.0 45
Show 07219-3105 NSN 326 164 39.9 47
Show 07206-3126 BRT2896 73 4.0 47
Show 07153-3020 TDS4631 189 0.7 51
Show 07161-3008 RSS 127 41 9.8 51
Show 07184-2957 RST 243 282 1.0 52
Show 07141-3050 LDS5691 79 132.0 58
Show 07182-2943 B 1534 136 2.1 66
Show 07160-3145 TDS4649 BC 329 0.4 66
Show 07160-3145 DAM1370 A,BC 104 17.3 66
Show 07146-3130 COO 48 9 7.8 66
Show 07136-3101 HO 520 299 6.0 67
Show 07132-3058 HJ 3940 96 6.6 70
Show 07240-3102 FMP 6 186 7.0 72
Show 07185-3200 B 1535 69 3.1 72
Show 07126-3105 JSP 879 81 8.6 79
Show 07246-3104 FMP 9 AB 20 4.8 80
Show 07246-3104 FMP 9 AC 266 12.1 80
Show 07159-2934 KPP1147 199 8.9 82
Show 07207-2930 TDS4721 87 0.5 83
Show 07207-3207 FMP 1 349 10.3 84
Show 07121-3049 VIG 9 AB 318 8.5 84
Show 07121-3049 VIG 9 AC 146 8.6 84
Show 07121-3049 SKF1442 AD 11 24.9 84
Show 07160-2930 HJ 2370 55 31.1 86
Show 07121-3026 JSP 877 8 5.8 88
Show 07253-3028 I 1061 51 1.1 90
Show 07208-3213 DAM 333 322 8.2 90
Show 07186-2918 HDS1014 254 0.2 91
Show 07203-2920 B 1537 194 0.6 91
Show 07241-3146 FMP 7 AB 254 9.4 93

 
 
WDS 07186-3048 : COMPONENTS
 
 
  A
B pa=72.2°
sep=2.70"
 
 
07186-3048 A
 
 
Componente originario normalizzato AB Name HD 57120 Coord arcsec 2000 071833.41-304755.6 Mag 7.67
Spectral class B2V (blue-white) PmRA -3.00 PmDE 5.0 SAO 197827
HIP 35391 Tycho2 7103-02653-1 HD 57120 GC 9735
CD CD-30 4276 CP CP-30 1612
Tycho2
Tycho2 7103-02653-1 Pflag RAmdeg 109.63920868 DEmdeg -30.79878526
PmRA 2.2 PmDE 6.8 E RAmdeg 6 E DEmdeg 4
E pmRA 2.1 E pmDE 2.2 EpRAm 1991.28 EpDEm 1991.71
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.1
Q pmDE 0.4 BTmag 7.467 E BTmag 0.016 VTmag 7.666
E VTmag 0.012 Prox 30 TYC T HIP 35391
CCDM A RAdeg 109.63920250 DEdeg -30.79880083 EpRA 1990 1.41
EpDE 1990 1.76 E RAdeg 6.0 E DEdeg 4.4 Posflg
Corr 0.0
SAO
SAO 197827 DelFlag RA1950 PmRA1950 -0.0032
DE1950 PmDE1950 -0.004 Vmag 6.9 SpType B3
Double code Source 70 CatNum 9735 DM CD-30 4276
DMcomp BDsup HD 57120 M HD 0
GC 9735 RA1950rad 1.90510185 DE1950rad -0.53592974 PmRA2000 -0.0028
PmDE2000 -0.002
Hipparcos
Catalog H HIP 35391 Proxy H RAhms 07 18 33.41
DEdms -30 47 55.7 Vmag 7.01 VarFlag R Vmag H
RAdeg 109.639 DEdeg -30.7988 AstroRef A Plx 2.5
CCDM 07186-3048 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 77 Rho 3.035 HD 57120 BD
CD CD-30 4276 CP CP-30 1612 Dm number -30 4276 VIred -0.19
SpType B2V R SpType Coord arcsec 2000 071833.41-304755.7
Hipparcos 2
HIP 35391 Sn 15 So 3 Nc 2
RArad 1.9135650278 DErad -0.5375404412 Plx 1.63 PmRA -2.22
PmDE 4.15 E RArad 0.53 E DErad 0.68 E Plx 0.78
E pmRA 0.77 E pmDE 0.94 Hpmag 6.9471 E Hpmag 0.001
SHp 0.01 VA 0 BV -0.185 E BV 0.008
VI -0.19
CCDM
Ccdm 07186-3048 RComp Comp A Note1
Note2 Discov num DRAs -2.61 DDEs 4.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp B3 PmNote *
PmRA -10 PmDE 2 Dm number -30 4276 Cat1 CD
Name2 197827 Cat2 SAO HD 57120 M HD
ADS BDS B 3981 M ADS BDS N IDS IDS 07147S3037A
HIC 35391
 
 
07186-3048 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 071833.61-304754.8 Mag 7.87 PmRA -3.00
PmDE 5.0 HIP 35391 Tycho2 7103-02652-1 Calc delta mag 0.2
Calc coord yes
Tycho2
Tycho2 7103-02652-1 Pflag RAmdeg 109.64016294 DEmdeg -30.79858949
PmRA 1.8 PmDE 7.8 E RAmdeg 7 E DEmdeg 5
E pmRA 6.3 E pmDE 5.7 EpRAm 1991.39 EpDEm 1991.73
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 7.653 E BTmag 0.016 VTmag 7.867
E VTmag 0.013 Prox 30 TYC T HIP 35391
CCDM B RAdeg 109.64015778 DEdeg -30.79860750 EpRA 1990 1.40
EpDE 1990 1.74 E RAdeg 6.5 E DEdeg 4.8 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 35391 Proxy H RAhms 07 18 33.41
DEdms -30 47 55.7 Vmag 7.01 VarFlag R Vmag H
RAdeg 109.639 DEdeg -30.7988 AstroRef A Plx 2.5
CCDM 07186-3048 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 77 Rho 3.035 HD 57120 BD
CD CD-30 4276 CP CP-30 1612 Dm number -30 4276 VIred -0.19
SpType B2V R SpType Coord arcsec 2000 071833.41-304755.7
Hipparcos 2
HIP 35391 Sn 15 So 3 Nc 2
RArad 1.9135650278 DErad -0.5375404412 Plx 1.63 PmRA -2.22
PmDE 4.15 E RArad 0.53 E DErad 0.68 E Plx 0.78
E pmRA 0.77 E pmDE 0.94 Hpmag 6.9471 E Hpmag 0.001
SHp 0.01 VA 0 BV -0.185 E BV 0.008
VI -0.19
CCDM
Ccdm 07186-3048 RComp Comp B Note1
Note2 Discov num HJ 3949 DRAs DDEs
R dRAs Year 1837 Theta 077 Rho 3.1
Obs 18 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 3981 M ADS BDS N IDS IDS 07147S3037B
HIC 35391