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Doubles in session


Current system
07490+0040
STTA 88 AB
DD CMi


Nearby doubles
8' : 07493-0034
HJ 64

11' : 07487-0030
HJ 63

22' : 07501-0053
SAN 1

25' : 07477-0056
J 66

27' : 07487+0014
RST5273

32' : 07472+0055
YSC 197

32' : 07510+0050
BAL1415

34' : 07474-0015
ROE 71

47' : 07476+0122
J 418

49' : 07470+0001
STF1141AB

50' : 07500+0127
BAL1413

50' : 07457+0033
CVR 475

57' : 07492+0136
RST5274

57' : 07453-0026
HJ 767AB

60' : 07519+0001
LDS6210AB

69' : 07493+0148
BAL1820

69' : 07506+0144
BAL1414

70' : 07443-0040
BAL 825AB

74' : 07535-0012
RST5276

77' : 07487+0156
A 2742

79' : 07502+0156
BAL1824

79' : 07537-0007
BAL1119

80' : 07466+0151
A 2879

87' : 07437-0004
HJ 2413

87' : 07545-0011
BAL1121

87' : 07545+0015
J 67



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.

07490+0040 STTA 88 AB (DD CMi)

 
 
07h 48m 58.22s +00° 39' 42.9" P.A. 6.00 sep 57.1 mag 7.48,8.90 Sp F2 dist. 69.83 pc (227.79 l.y.)
 
 
Coord 2000 07490+0040 Discov num STTA 88 Comp AB Coord arcsec 2000 07 48 58.22 +00 39 42.9
Date first 1875 Date last 2016 Obs 28
Pa first 5 Pa last 5.5 P.A. Now (θ) 5.5°
Sep first 56.9 Sep last 57.123 Sep. Now (ρ) 57.123"
Mag pri 7.48 Mag sec 8.90 delta mag (ΔM) 1.42 Spectral class F2 (yellow-white)
Pri motion ra -003 Sec motion ra -004
Pri motion dec -017 Sec motion dec -016
Notes N T (See Notes, Parallax indicates physical)
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
07490+0040 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show DD CMi 115967 07 48 58 +00 39 43 STTA 88 AB 2016 28 6 57.1 7.48 8.90 1.42 <===
Show 115967 07 48 58 +00 39 43 STTA 88 AC 2015 14 51 95.8 7.48 10.85 3.37
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name DD CMi Constellation Canis Minor SAO 115967 HIP 38138
Tycho2 0180-01880-1 Gaia DR2 3086002004397666304 HD 63436 BD BD+01 1911
Distance 69.83 Distance ly 227.79
 
 
WDS 07490+0040 STTA 88 AB (DD CMi) : NOTES
 
 
discov_num notes refcode
STTA 88 B is BD+01@1912.
 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
07490+0040 STTA 88 AB 2003 20 6 57.3 7.48 8.90 F2 N D 074858.22+003942.9
07490+0040 STTA 88 AB 2011 21 5 57.6 7.48 8.90 F2 N D 074858.22+003942.9
07490+0040 STTA 88 AB 2015 23 6 57.1 7.48 8.90 F2 NT 074858.22+003942.9
07490+0040 STTA 88 AB 2016 28 6 57.1 7.48 8.90 F2 NT 074858.22+003942.9

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

 
 
WDS 07490+0040 STTA 88 AB (DD CMi) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07490+0040 STTA 88 AB (DD CMi) : MEASURES
 
 
No records found.

 
 
WDS 07490+0040 (DD CMi) : VIRTUAL EYEPIECE
 
 

07490+0040 STTA 88A mag 7.48 Sp F2 07490+0040 STTA 88B sep 57.1 P.A. 5.50 mag 8.9 07490+0040 STTA 88C sep 95.8 P.A. 51.30 mag 10.85 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 07490+0040 (DD CMi) : ALADIN DSS IMAGE @ 07h 48m 58.22s +00° 39' 42.9"
 
 
 
 
WDS 07490+0040 STTA 88 AB (DD CMi) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07490+0040 STTA 88AB distance=1' 07490+0040 STTA 88AC distance=1' 07493-0034 HJ 64 distance=8' 07487-0030 HJ 63 distance=11' 07501-0053 SAN 1 distance=22' 07477-0056 J 66 distance=25' 07487+0014 RST5273 distance=27' 07472+0055 YSC 197 distance=32' 07510+0050 BAL1415 distance=32' 07474-0015 ROE 71 distance=34' 07476+0122 J 418 distance=47' 07470+0001 STF1141AB distance=49' 07470+0001 HJ 5541AC distance=49' 07470+0001 ARN 45AD distance=49' 07470+0001 ARN 45AE distance=49' 07470+0001 FYM 617AF distance=49' 07470+0001 FYM 617EG distance=49' 07500+0127 BAL1413 distance=50' 07457+0033 CVR 475 distance=50' 07492+0136 RST5274 distance=57' 07453-0026 HJ 767AB distance=57' 07453-0026 SIN 31AC distance=57' 07453-0026 SIN 31AD distance=57' 07453-0026 SIN 31AE distance=57' 07453-0026 SIN 31AF distance=57' 07453-0026 SIN 31AG distance=57' 07453-0026 SIN 31AH distance=57' 07453-0026 SIN 31AI distance=57' 07453-0026 SIN 31AJ distance=57' 07453-0026 SIN 31AK distance=57' 07519+0001 LDS6210AB distance=60' 07519+0001 LMP 39AC distance=60' 07519+0001 LMP 39AD distance=60' 07519+0001 LMP 39AE distance=60' 07493+0148 BAL1820 distance=69' 07506+0144 BAL1414 distance=69' 07443-0040 BAL 825BC distance=70' 07443-0040 BAL 825AB distance=70' 07535-0012 RST5276 distance=74' 07487+0156 A 2742 distance=77' 07502+0156 BAL1824 distance=79' 07537-0007 BAL1119 distance=79' 07466+0151 A 2879 distance=80' 07437-0004 HJ 2413 distance=87' 07545-0011 BAL1121 distance=87' 07545+0015 J 67 distance=87' 07549+0039 BAL1122 distance=88' 07548-0056 BAL 832 distance=89' 07546+0111 BAL1417AB distance=89' 07546+0111 BAL1417AC distance=89' 07546+0111 BAL1417BC distance=90' 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 07490+0040 STTA 88 AB 6 57.1 1
Show 07490+0040 STTA 88 AC 51 95.8 1
Show 07493-0034 HJ 64 325 13.6 8
Show 07487-0030 HJ 63 310 17.0 11
Show 07501-0053 SAN 1 118 3.9 22
Show 07477-0056 J 66 196 3.9 25
Show 07487+0014 RST5273 31 1.2 27
Show 07472+0055 YSC 197 265 0.0 32
Show 07510+0050 BAL1415 274 17.2 32
Show 07474-0015 ROE 71 124 6.8 34
Show 07476+0122 J 418 140 2.4 47
Show 07470+0001 STF1141 AB 10 17.5 49
Show 07470+0001 HJ 5541 AC 89 24.9 49
Show 07470+0001 ARN 45 AD 46 63.8 49
Show 07470+0001 ARN 45 AE 277 62.0 49
Show 07470+0001 FYM 617 AF 256 10.8 49
Show 07470+0001 FYM 617 EG 121 14.9 49
Show 07500+0127 BAL1413 107 10.1 50
Show 07457+0033 CVR 475 2 24.9 50
Show 07492+0136 RST5274 103 0.4 57
Show 07453-0026 HJ 767 AB 164 21.2 57
Show 07453-0026 SIN 31 AC 333 11.1 57
Show 07453-0026 SIN 31 AD 100 26.0 57
Show 07453-0026 SIN 31 AE 28 27.8 57
Show 07453-0026 SIN 31 AF 160 28.2 57
Show 07453-0026 SIN 31 AG 164 31.6 57
Show 07453-0026 SIN 31 AH 323 42.6 57
Show 07453-0026 SIN 31 AI 107.1 57
Show 07453-0026 SIN 31 AJ 73 169.3 57
Show 07453-0026 SIN 31 AK 64 179.7 57
Show 07519+0001 LDS6210 AB 78 3.0 60
Show 07519+0001 LMP 39 AC 192 17.6 60
Show 07519+0001 LMP 39 AD 262 44.0 60
Show 07519+0001 LMP 39 AE 270 51.7 60
Show 07493+0148 BAL1820 179 13.1 69
Show 07506+0144 BAL1414 354 15.8 69
Show 07443-0040 BAL 825 BC 287 17.2 70
Show 07443-0040 BAL 825 AB 157 6.4 70
Show 07535-0012 RST5276 356 2.8 74
Show 07487+0156 A 2742 227 3.9 77
Show 07502+0156 BAL1824 145 4.2 79
Show 07537-0007 BAL1119 54 19.9 79
Show 07466+0151 A 2879 152 1.2 80
Show 07437-0004 HJ 2413 8 11.7 87
Show 07545-0011 BAL1121 82 3.3 87
Show 07545+0015 J 67 53 4.4 87
Show 07549+0039 BAL1122 91 10.8 88
Show 07548-0056 BAL 832 129 8.4 89
Show 07546+0111 BAL1417 AB 102 9.1 89
Show 07546+0111 BAL1417 AC 59 10.1 89
Show 07546+0111 BAL1417 BC 358 7.0 90

 
 
WDS 07490+0040 : COMPONENTS
 
 
  A B
B pa=5.5°
sep=57.12"
 
C pa=51.3°
sep=95.75"
pa=87.5°
sep=69.31"
 
 
07490+0040 A
 
 
Name DD CMi Coord arcsec 2000 074858.22+003942.9 Mag 7.48 Spectral class F2 (yellow-white)
PmRA -3.00 PmDE -17.0 SAO 115967 HIP 38138
Tycho2 0180-01880-1 HD 63436 BD BD+01 1911
Tycho2
Tycho2 0180-01880-1 Pflag RAmdeg 117.24259638 DEmdeg 0.66194059
PmRA -1.3 PmDE -18.5 E RAmdeg 5 E DEmdeg 6
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.45 EpDEm 1991.15
Num 13 Q RAmdeg 0.6 Q DEmdeg 0.5 Q pmRA 0.6
Q pmDE 0.6 BTmag 7.852 E BTmag 0.016 VTmag 7.476
E VTmag 0.012 Prox 571 TYC T HIP 38138
CCDM RAdeg 117.24259944 DEdeg 0.66198389 EpRA 1990 1.71
EpDE 1990 1.54 E RAdeg 5.0 E DEdeg 6.3 Posflg
Corr 0.1
SAO
SAO 115967 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.026 Vmag 7.8 SpType F2
Double code Source 31 CatNum 2328 DM BD+01 1911
DMcomp BDsup HD 63436 M HD 0
GC RA1950rad 2.03503209 DE1950rad 0.01375468 PmRA2000 -0.0009
PmDE2000 -0.024
Hipparcos
Catalog H HIP 38138 Proxy RAhms 07 48 58.22
DEdms +00 39 43.1 Vmag 7.46 VarFlag 2 R Vmag G
RAdeg 117.243 DEdeg 0.661985 AstroRef Plx 16.26
CCDM 07490+0040 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 63436 BD BD+01 1911
CD CP Dm number +01 1911 VIred 0.42
SpType F2 R SpType Coord arcsec 2000 074858.22+003943.1
Hipparcos 2
HIP 38138 Sn 5 So 0 Nc 1
RArad 2.0462693059 DErad 0.0115538134 Plx 14.32 PmRA -1.09
PmDE -18.64 E RArad 0.85 E DErad 0.63 E Plx 0.97
E pmRA 1.11 E pmDE 0.83 Hpmag 7.5453 E Hpmag 0.0033
SHp 0.022 VA 2 BV 0.356 E BV 0.001
VI 0.42
CCDM
Ccdm 07490+0040 RComp Comp A Note1
Note2 Discov num DRAs -1.83 DDEs -17.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.6 Sp F2 PmNote *
PmRA -18 PmDE -25 Dm number +01 1911 Cat1 BD
Name2 +00 1026 Cat2 AGK2/3 HD 63436 M HD
ADS BDS B 4275 M ADS BDS N IDS IDS 07438N0055A
HIC 38138
 
 
07490+0040 B
 
 
Coord arcsec 2000 074858.58+004039.8 Mag 8.9 PmRA -4.00 PmDE -16.0
Tycho2 0180-01818-1 Calc delta mag 1.42 Calc coord yes
Tycho2
Tycho2 0180-01818-1 Pflag RAmdeg 117.24413752 DEmdeg 0.67772947
PmRA -0.7 PmDE -16.1 E RAmdeg 10 E DEmdeg 14
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.11 EpDEm 1988.01
Num 9 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 9.457 E BTmag 0.025 VTmag 8.896
E VTmag 0.020 Prox 571 TYC T HIP
CCDM RAdeg 117.24414000 DEdeg 0.67776583 EpRA 1990 1.76
EpDE 1990 1.49 E RAdeg 10.3 E DEdeg 15.1 Posflg
Corr 0.1
CCDM
Ccdm 07490+0040 RComp Comp B Note1
Note2 Discov num STT4088 DRAs -1.41 DDEs 39.2
R dRAs 10 Year 1875 Theta 005 Rho 57.1
Obs 7 Vmag 8.6 Sp PmNote *
PmRA -4 PmDE -26 Dm number +01 1912 Cat1 BD
Name2 +00 1027 Cat2 AGK2/3 HD M HD
ADS BDS B 4275 M ADS BDS N IDS IDS 07438N0055B
HIC
 
 
07490+0040 C
 
 
Coord arcsec 2000 074903.20+004042.8 Mag 10.85 PmRA 1.00 PmDE -2.0
Calc delta mag 3.37 Calc coord yes
CCDM
Ccdm 07490+0040 RComp Comp C Note1
Note2 Discov num STT4088 DRAs 3.15 DDEs 42.2
R dRAs 10 Year 1935 Theta 052 Rho 94.6
Obs 1 Vmag 9.8 Sp PmNote *
PmRA -17 PmDE -8 Dm number Cat1
Name2 +00 1028 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 07438N0055C
HIC