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Current system
08274+2309
STF 1227
HD 71309


Nearby doubles
7' : 08276+2303
POU2966

8' : 08269+2310
BRT2385

24' : 08277+2246
BRT2386

26' : 08288+2327
POU2969

28' : 08289+2327
POU2970

35' : 08268+2342
POU2964

37' : 08261+2341
SKF 640

40' : 08296+2244
UC 1680

47' : 08304+2247
POU2973

50' : 08310+2315
POU2979

51' : 08305+2337
POU2975AB

52' : 08241+2247
MRA 11

54' : 08305+2238
HJ 2451

55' : 08235+2311
STF1218

58' : 08233+2305
POU2958

59' : 08301+2354
KPP1740

60' : 08315+2250
POU2981

60' : 08317+2257
POU2984

65' : 08284+2206
SLW 255

68' : 08303+2214
HRO 1

69' : 08226+2258
POU2954

69' : 08302+2406
POU2972

69' : 08324+2304
POU2985

70' : 08324+2321
POU2986

73' : 08326+2318
POU2987

74' : 08258+2159
SKF 638



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.

08274+2309 STF 1227 (HD 71309)

 
 
08h 27m 25.68s +23° 09' 07.7" P.A. 164.00 sep 24.9 mag 8.08,9.69 Sp A1V dist. 344.83 pc (1124.84 l.y.)
 
 
Coord 2000 08274+2309 Discov num STF1227 Comp Coord arcsec 2000 08 27 25.68 +23 09 07.7
Date first 1828 Date last 2017 Obs 38
Pa first 163 Pa last 163.5 P.A. Now (θ) 163.5°
Sep first 24.6 Sep last 24.89 Sep. Now (ρ) 24.89"
Mag pri 8.08 Mag sec 9.69 delta mag (ΔM) 1.61 Spectral class A1V (white)
Pri motion ra -010 Sec motion ra -009
Pri motion dec -012 Sec motion dec -012
Notes T (Parallax indicates physical)
rPM=0.064 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 71309 Constellation Cancer SAO 80195 HIP 41460
Tycho2 1941-01163-1 Gaia DR2 678008107192226816 HD 71309 GC 11543
BD BD+23 1960 Distance 344.83 Distance ly 1124.84
 
 
WDS 08274+2309 STF 1227 (HD 71309) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 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
08274+2309 STF1227 2006 27 164 24.9 8.08 9.69 A1V ZD 082725.68+230907.7
08274+2309 STF1227 2013 30 162 24.9 8.08 9.69 A1V ZD 082725.68+230907.7
08274+2309 STF1227 2015 32 163 24.9 8.08 9.69 A1V Z 082725.68+230907.7
08274+2309 STF1227 2017 38 164 24.9 8.08 9.69 A1V T 082725.68+230907.7

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

 
 
WDS 08274+2309 STF 1227 (HD 71309) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08274+2309 STF 1227 (HD 71309) : MEASURES
 
 
No records found.

 
 
WDS 08274+2309 (HD 71309) : VIRTUAL EYEPIECE
 
 

08274+2309 STF1227A mag 8.08 Sp A1V 08274+2309 STF1227B sep 24.7 P.A. 164.80 mag 9.69 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 08274+2309 (HD 71309) : ALADIN DSS IMAGE @ 08h 27m 25.68s +23° 09' 07.7"
 
 
 
 
WDS 08274+2309 STF 1227 (HD 71309) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08274+2309 STF1227 distance=0' 08276+2303 POU2966 distance=7' 08269+2310 BRT2385 distance=8' 08277+2246 BRT2386 distance=24' 08288+2327 POU2969 distance=26' 08289+2327 POU2970 distance=28' 08268+2342 POU2964 distance=35' 08261+2341 SKF 640 distance=37' 08296+2244 UC 1680 distance=40' 08304+2247 POU2973 distance=47' 08310+2315 POU2979 distance=50' 08305+2337 POU2975AB distance=51' 08305+2337 POU2974BC distance=51' 08241+2247 MRA 11 distance=52' 08305+2238 HJ 2451 distance=54' 08235+2311 STF1218 distance=55' 08233+2305 POU2958 distance=58' 08301+2354 KPP1740 distance=59' 08315+2250 POU2981 distance=60' 08317+2257 POU2984 distance=60' 08284+2206 SLW 255 distance=65' 08303+2214 HRO 1 distance=68' 08226+2258 POU2954 distance=69' 08302+2406 POU2972 distance=69' 08324+2304 POU2985 distance=69' 08324+2321 POU2986 distance=70' 08326+2318 POU2987 distance=73' 08258+2159 SKF 638 distance=74' 08227+2343 AZC 54 distance=74' 08316+2356 POU2983 distance=74' 08229+2351 POU2955 distance=76' 08313+2215 TDS5899 distance=76' 08253+2421 STF1220 distance=78' 08282+2427 POU2967 distance=79' 08315+2405 OCC 135 distance=80' 08236+2409 POU2960 distance=80' 08275+2428 POU2965 distance=80' 08306+2415 SHN 119 distance=80' 08250+2156 BRT2384 distance=81' 08216+2309 POU2950 distance=81' 08266+2429 POU2962 distance=82' 08332+2251 POU2988 distance=82' 08220+2348 POU2952 distance=84' 08267+2432 STF1224A,BC distance=84' 08267+2432 A 1746BC distance=84' 08285+2432 OCC 82AB distance=85' 08230+2410 POU2956 distance=86' 08312+2417 POU2980 distance=86' 08248+2149 COU 281 distance=89' 08212+2254 LDS 903 distance=89' 08233+2417 POU2957 distance=89' 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 08274+2309 STF1227 164 24.9
Show 08276+2303 POU2966 78 8.5 7
Show 08269+2310 BRT2385 12 4.3 8
Show 08277+2246 BRT2386 243 4.4 24
Show 08288+2327 POU2969 12 10.7 26
Show 08289+2327 POU2970 312 9.1 28
Show 08268+2342 POU2964 223 14.5 35
Show 08261+2341 SKF 640 262 1.2 37
Show 08296+2244 UC 1680 143 6.6 40
Show 08304+2247 POU2973 114 13.0 47
Show 08310+2315 POU2979 319 12.2 50
Show 08305+2337 POU2975 AB 22 6.0 51
Show 08305+2337 POU2974 BC 84 13.6 51
Show 08241+2247 MRA 11 38 0.2 52
Show 08305+2238 HJ 2451 182 18.5 54
Show 08235+2311 STF1218 268 4.4 55
Show 08233+2305 POU2958 12 11.6 58
Show 08301+2354 KPP1740 236 13.4 59
Show 08315+2250 POU2981 215 12.7 60
Show 08317+2257 POU2984 7 9.2 60
Show 08284+2206 SLW 255 136 30.9 65
Show 08303+2214 HRO 1 207 0.4 68
Show 08226+2258 POU2954 238 11.5 69
Show 08302+2406 POU2972 119 5.2 69
Show 08324+2304 POU2985 24 8.5 69
Show 08324+2321 POU2986 256 6.0 70
Show 08326+2318 POU2987 192 11.8 73
Show 08258+2159 SKF 638 78 1.0 74
Show 08227+2343 AZC 54 68 27.7 74
Show 08316+2356 POU2983 231 12.4 74
Show 08229+2351 POU2955 150 3.2 76
Show 08313+2215 TDS5899 142 0.8 76
Show 08253+2421 STF1220 215 29.1 78
Show 08282+2427 POU2967 161 13.3 79
Show 08315+2405 OCC 135 -1 0.1 80
Show 08236+2409 POU2960 309 4.6 80
Show 08275+2428 POU2965 228 9.5 80
Show 08306+2415 SHN 119 -1 0.3 80
Show 08250+2156 BRT2384 254 3.8 81
Show 08216+2309 POU2950 104 7.9 81
Show 08266+2429 POU2962 340 8.7 82
Show 08332+2251 POU2988 330 9.1 82
Show 08220+2348 POU2952 165 12.4 84
Show 08267+2432 STF1224 A,BC 53 5.7 84
Show 08267+2432 A 1746 BC 4 0.2 84
Show 08285+2432 OCC 82 AB -1 0.1 85
Show 08230+2410 POU2956 128 8.1 86
Show 08312+2417 POU2980 284 12.0 86
Show 08248+2149 COU 281 121 0.4 89
Show 08212+2254 LDS 903 142 166.8 89
Show 08233+2417 POU2957 115 10.7 89

 
 
WDS 08274+2309 : COMPONENTS
 
 
  A
B pa=164.8°
sep=24.73"
 
 
08274+2309 A
 
 
Componente originario normalizzato AB Name HD 71309 Coord arcsec 2000 082725.68+230907.7 Mag 8.08
Spectral class A1V (white) PmRA -10.00 PmDE -12.0 SAO 80195
HIP 41460 Tycho2 1941-01163-1 HD 71309 GC 11543
BD BD+23 1960
Tycho2
Tycho2 1941-01163-1 Pflag RAmdeg 126.85700570 DEmdeg 23.15213158
PmRA -10.6 PmDE -1.4 E RAmdeg 5 E DEmdeg 7
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.65 EpDEm 1991.33
Num 3 Q RAmdeg 0.6 Q DEmdeg 7.1 Q pmRA 0.6
Q pmDE 7.1 BTmag 8.166 E BTmag 0.017 VTmag 8.078
E VTmag 0.013 Prox 250 TYC T HIP 41460
CCDM A RAdeg 126.85703222 DEdeg 23.15213500 EpRA 1990 1.73
EpDE 1990 1.51 E RAdeg 5.4 E DEdeg 6.7 Posflg
Corr 0.1
SAO
SAO 80195 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.015 Vmag 7.9 SpType A0
Double code Source 70 CatNum 11543 DM BD+23 1960
DMcomp A BDsup HD 71309 M HD 0
GC 11543 RA1950rad 2.20121629 DE1950rad 0.40697193 PmRA2000 -0.0009
PmDE2000 -0.012
Hipparcos
Catalog H HIP 41460 Proxy RAhms 08 27 25.69
DEdms +23 09 07.7 Vmag 8.06 VarFlag R Vmag H
RAdeg 126.857 DEdeg 23.1521 AstroRef A Plx 18.93
CCDM 08274+2309 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 71309 BD BD+23 1960
CD CP Dm number +23 1960 VIred 0.07
SpType A0 R SpType Coord arcsec 2000 082725.69+230907.7
Hipparcos 2
HIP 41460 Sn 95 So 3 Nc 1
RArad 2.214073004 DErad 0.4040810491 Plx 2.9 PmRA -9.97
PmDE -11.65 E RArad 1.23 E DErad 0.69 E Plx 1.29
E pmRA 1.75 E pmDE 1.16 Hpmag 8.0974 E Hpmag 0.029
SHp 0.017 VA 0 BV 0.08 E BV 0.017
VI 0.09
CCDM
Ccdm 08274+2309 RComp Comp A Note1
Note2 Discov num DRAs 1.67 DDEs 7.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp A0 PmNote *
PmRA -10 PmDE -22 Dm number +23 1960 Cat1 BD
Name2 +23 945 Cat2 AGK2/3 HD 71309 M HD
ADS BDS A 6816 M ADS BDS N IDS IDS 08215N2329A
HIC 41460
 
 
08274+2309 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 082726.15+230843.8 Mag 9.69 PmRA -9.00
PmDE -12.0 HIP 41462 Tycho2 1941-00729-1 Calc delta mag 1.61
Calc coord yes
Tycho2
Tycho2 1941-00729-1 Pflag RAmdeg 126.85920608 DEmdeg 23.14549885
PmRA -7.7 PmDE 1.7 E RAmdeg 16 E DEmdeg 22
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.28 EpDEm 1988.65
Num 3 Q RAmdeg 1.9 Q DEmdeg 9.9 Q pmRA 1.9
Q pmDE 9.9 BTmag 9.871 E BTmag 0.031 VTmag 9.692
E VTmag 0.034 Prox 250 TYC T HIP 41462
CCDM B RAdeg 126.85922528 DEdeg 23.14549472 EpRA 1990 1.77
EpDE 1990 1.47 E RAdeg 16.0 E DEdeg 22.4 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 41462 Proxy RAhms 08 27 26.21
DEdms +23 08 43.8 Vmag 9.79 VarFlag R Vmag H
RAdeg 126.859 DEdeg 23.1455 AstroRef B Plx 18.1
CCDM 08274+2309 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.06
SpType A0 R SpType Coord arcsec 2000 082726.21+230843.8
Hipparcos 2
HIP 41462 Sn 95 So 3 Nc 1
RArad 2.2141107633 DErad 0.4039652838 Plx 3.14 PmRA -25.36
PmDE -17.61 E RArad 6.57 E DErad 3.76 E Plx 6.35
E pmRA 9.99 E pmDE 6.46 Hpmag 9.732 E Hpmag 0.0985
SHp 0 VA 0 BV 0.213 E BV 0.045
VI 0.24
CCDM
Ccdm 08274+2309 RComp Comp B Note1
Note2 Discov num STF1227 DRAs 2.17 DDEs -16.6
R dRAs 91 Year 1828 Theta 163 Rho 24.6
Obs 5 Vmag 9.5 Sp PmNote *
PmRA -10 PmDE -22 Dm number Cat1
Name2 +23 946 Cat2 AGK2/3 HD M HD
ADS BDS A 6816 M ADS BDS N IDS IDS 08215N2329B
HIC 41462