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Current system
06570+2457
STF 991 CD


Nearby doubles
13' : 06564+2445
POU2145

15' : 06575+2444
POU2158

23' : 06559+2437
POU2141

24' : 06584+2443
COU 921

24' : 06559+2436
POU2142

26' : 06568+2430
POU2151

29' : 06562+2428
POU2144

30' : 06576+2427
POU2160

30' : 06548+2449
POU2127

31' : 06554+2433
POU2138

32' : 06547+2450
POU2124

34' : 06582+2426
POU2174

35' : 06576+2422
POU2161

35' : 06593+2442
POU2206

37' : 06542+2452
POU2120

38' : 06594+2514
A 1061AB

38' : 06568+2418
POU2152

39' : 06583+2422
POU2176

39' : 06594+2435
POU2207

39' : 06543+2444
POU2121

40' : 06548+2429
POU2128

40' : 06576+2417
POU2163

41' : 06549+2426
POU2131AB

41' : 06562+2416
POU2143

42' : 06577+2415
GRV 725

42' : 06583+2418
POU2175



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.

06570+2457 STF 991 CD

 
 
06h 56m 57.53s +24° 55' 23.9" sep 13.2 mag 10.60,11.10
 
 
Coord 2000 06570+2457 Discov num STF 991 Comp CD Coord arcsec 2000 06 56 57.53 +24 55 23.9
Date first 1905 Date last 2017 Obs 12
Pa first 1 Pa last 359.8 P.A. Now (θ) 359.8°
Sep first 13.5 Sep last 13.16 Sep. Now (ρ) 13.16"
Mag pri 10.60 Mag sec 11.10 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -001 Sec motion ra -004
Pri motion dec -002 Sec motion dec -004
Notes N (See Notes)
rPM=0.637
Nature of this double is uncertain.
 
 
06570+2457 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 51127 78898 06 57 01 +24 57 28 STF 991 AB 2019 39 165 3.8 7.95 9.21 1.26
Show 78898 06 57 01 +24 57 28 STF 991 AC 2017 8 202 134.0 7.95 10.60 2.65
Show 06 56 58 +24 55 24 STF 991 CD 2017 12 0 13.2 10.60 11.10 0.50 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Gemini Gaia DR2 3381651227880195072
 
 
WDS 06570+2457 STF 991 CD : NOTES
 
 
discov_num notes refcode
STF 991 CD : Also known as POU2154.
 
 
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
06570+2457 STF 991 CD 1997 5 360 13.2 10.60 11.10 N D 065657.53+245523.9
06570+2457 STF 991 CD 2001 6 0 13.3 10.60 11.10 N D 065657.53+245523.9
06570+2457 STF 991 CD 2013 7 0 13.5 10.60 11.10 N 065657.53+245523.9
06570+2457 STF 991 CD 2015 8 0 13.3 10.60 11.10 N 065657.53+245523.9
06570+2457 STF 991 CD 2017 12 0 13.2 10.60 11.10 N 065657.53+245523.9

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

 
 
WDS 06570+2457 STF 991 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06570+2457 STF 991 CD : MEASURES
 
 
No records found.

 
 
WDS 06570+2457 : VIRTUAL EYEPIECE
 
 

06570+2457 STF 991A mag 7.95 Sp A0 06570+2457 STF 991B sep 3.8 P.A. 166.30 mag 9.21 06570+2457 STF 991C sep 134.0 P.A. 202.20 mag 10.6 06570+2457 STF 991D sep 121.9 P.A. 204.60 mag 11.1 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 06570+2457 : ALADIN DSS IMAGE @ 06h 56m 57.53s +24° 55' 23.9"
 
 
 
 
WDS 06570+2457 STF 991 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06570+2457 STF 991CD distance=0' 06570+2457 STF 991AB distance=3' 06570+2457 STF 991AC distance=3' 06564+2445 POU2145 distance=13' 06575+2444 POU2158 distance=15' 06559+2437 POU2141 distance=23' 06584+2443 COU 921 distance=24' 06559+2436 POU2142 distance=24' 06568+2430 POU2151 distance=26' 06562+2428 POU2144 distance=29' 06576+2427 POU2160 distance=30' 06548+2449 POU2127 distance=30' 06554+2433 POU2138 distance=31' 06547+2450 POU2124 distance=32' 06582+2426 POU2174 distance=34' 06576+2422 POU2161 distance=35' 06593+2442 POU2206 distance=35' 06542+2452 POU2120 distance=37' 06594+2514 A 1061AB distance=38' 06594+2514 STF1000AB,C distance=38' 06568+2418 POU2152 distance=38' 06583+2422 POU2176 distance=39' 06594+2435 POU2207 distance=39' 06543+2444 POU2121 distance=39' 06548+2429 POU2128 distance=40' 06576+2417 POU2163 distance=40' 06549+2426 POU2131AB distance=41' 06549+2426 POU2132AC distance=41' 06562+2416 POU2143 distance=41' 06577+2415 GRV 725 distance=42' 06583+2418 POU2175 distance=42' 06540+2443 POU2116 distance=42' 06539+2446 POU2113 distance=42' 06542+2437 POU2118 distance=43' 06598+2438 POU2229 distance=44' 07001+2450 POU2239 distance=44' 06537+2450 POU2106 distance=44' 06595+2429 POU2213AB distance=45' 06595+2429 POU2214AC distance=45' 06538+2440 POU2109 distance=45' 06547+2422 POU2125 distance=46' 06571+2409 POU2155 distance=47' 06573+2409 POU2157 distance=47' 06536+2440 POU2102 distance=48' 06593+2419 POU2203AB distance=49' 06593+2419 POU2204AC distance=49' 06593+2419 POU2204AD distance=49' 06593+2419 POU2202DE distance=49' 06591+2417 POU2198 distance=49' 06541+2425 POU2117 distance=50' 06537+2433 POU2104 distance=50' 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 06570+2457 STF 991 CD 13.2
Show 06570+2457 STF 991 AB 165 3.8 3
Show 06570+2457 STF 991 AC 202 134.0 3
Show 06564+2445 POU2145 40 12.7 13
Show 06575+2444 POU2158 146 15.2 15
Show 06559+2437 POU2141 346 10.9 23
Show 06584+2443 COU 921 35 0.1 24
Show 06559+2436 POU2142 193 3.3 24
Show 06568+2430 POU2151 324 13.7 26
Show 06562+2428 POU2144 288 6.2 29
Show 06576+2427 POU2160 88 5.9 30
Show 06548+2449 POU2127 127 13.3 30
Show 06554+2433 POU2138 245 12.3 31
Show 06547+2450 POU2124 60 4.2 32
Show 06582+2426 POU2174 31 6.0 34
Show 06576+2422 POU2161 252 14.3 35
Show 06593+2442 POU2206 206 9.4 35
Show 06542+2452 POU2120 124 9.4 37
Show 06594+2514 A 1061 AB 73 0.1 38
Show 06594+2514 STF1000 AB,C 67 22.1 38
Show 06568+2418 POU2152 290 13.3 38
Show 06583+2422 POU2176 171 9.5 39
Show 06594+2435 POU2207 5 8.8 39
Show 06543+2444 POU2121 202 8.8 39
Show 06548+2429 POU2128 107 9.9 40
Show 06576+2417 POU2163 325 17.1 40
Show 06549+2426 POU2131 AB 325 4.3 41
Show 06549+2426 POU2132 AC 158 11.9 41
Show 06562+2416 POU2143 353 9.9 41
Show 06577+2415 GRV 725 53 47.6 42
Show 06583+2418 POU2175 228 13.5 42
Show 06540+2443 POU2116 146 9.6 42
Show 06539+2446 POU2113 168 10.0 42
Show 06542+2437 POU2118 186 11.4 43
Show 06598+2438 POU2229 331 11.6 44
Show 07001+2450 POU2239 271 8.3 44
Show 06537+2450 POU2106 194 13.2 44
Show 06595+2429 POU2213 AB 46 10.6 45
Show 06595+2429 POU2214 AC 137 15.3 45
Show 06538+2440 POU2109 301 8.6 45
Show 06547+2422 POU2125 53 8.1 46
Show 06571+2409 POU2155 150 2.7 47
Show 06573+2409 POU2157 141 9.9 47
Show 06536+2440 POU2102 58 9.0 48
Show 06593+2419 POU2203 AB 42 15.0 49
Show 06593+2419 POU2204 AC 36 17.6 49
Show 06593+2419 POU2204 AD 159 14.7 49
Show 06593+2419 POU2202 DE 207 16.1 49
Show 06591+2417 POU2198 261 13.3 49
Show 06541+2425 POU2117 22 16.2 50
Show 06537+2433 POU2104 153 11.8 50

 
 
WDS 06570+2457 : COMPONENTS
 
 
  A B C
B pa=166.3°
sep=3.82"
 
C pa=202.2°
sep=133.98"
pa=203.2°
sep=130.91"
 
D pa=204.6°
sep=121.92"
pa=205.7°
sep=118.94"
pa=359.8°
sep=13.16"
 
 
06570+2457 A
 
 
Name HD 51127 Coord arcsec 2000 065701.26+245727.9 Mag 7.95 Spectral class A0 (white)
PmRA -27.00 PmDE 11.0 SAO 78898 HIP 33422
Tycho2 1898-01818-1 HD 51127 GC 9112 ADS 5608
BD BD+25 1509
Tycho2
Tycho2 1898-01818-1 Pflag RAmdeg 104.25520345 DEmdeg 24.95775486
PmRA -20.1 PmDE 2.3 E RAmdeg 6 E DEmdeg 8
E pmRA 1.9 E pmDE 1.8 EpRAm 1991.71 EpDEm 1991.48
Num 4 Q RAmdeg 0.3 Q DEmdeg 1.9 Q pmRA 0.4
Q pmDE 1.8 BTmag 8.118 E BTmag 0.017 VTmag 7.948
E VTmag 0.014 Prox 38 TYC T HIP 33422
CCDM A RAdeg 104.25525389 DEdeg 24.95774944 EpRA 1990 1.82
EpDE 1990 1.69 E RAdeg 5.7 E DEdeg 7.6 Posflg
Corr 0.0
SAO
SAO 78898 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 -0.006 Vmag 7.6 SpType A0
Double code Source 70 CatNum 9112 DM BD+25 1509
DMcomp BDsup HD 51127 M HD 0
GC 9112 RA1950rad 1.80622357 DE1950rad 0.43676268 PmRA2000 -0.0017
PmDE2000 -0.004
Hipparcos
Catalog H HIP 33422 Proxy H RAhms 06 57 01.26
DEdms +24 57 27.9 Vmag 7.62 VarFlag R Vmag H
RAdeg 104.255 DEdeg 24.9577 AstroRef A Plx 5.88
CCDM 06570+2457 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 165 Rho 3.801 HD 51127 BD BD+25 1509
CD CP Dm number +25 1509 VIred 0.02
SpType A0 R SpType Coord arcsec 2000 065701.26+245727.9
Hipparcos 2
HIP 33422 Sn 15 So 3 Nc 2
RArad 1.8195974472 DErad 0.4355948713 Plx 4.43 PmRA -23.24
PmDE -6.74 E RArad 1.09 E DErad 0.58 E Plx 1.13
E pmRA 1.41 E pmDE 0.78 Hpmag 7.6888 E Hpmag 0.0013
SHp 0.012 VA 0 BV 0.216 E BV 0.023
VI 0.24
CCDM
Ccdm 06570+2457 RComp Comp A Note1
Note2 Discov num DRAs 1.24 DDEs 28.2
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.0 Sp A0 PmNote *
PmRA -22 PmDE -5 Dm number +25 1509 Cat1 BD
Name2 78898 Cat2 SAO HD 51127 M HD
ADS BDS A 5608 M ADS BDS N IDS IDS 06509N2505A
HIC 33422
 
 
06570+2457 B
 
 
Coord arcsec 2000 065701.33+245724.2 Mag 9.21 PmRA -21.00 PmDE -6.0
Calc delta mag 1.26 Calc coord yes
CCDM
Ccdm 06570+2457 RComp Comp B Note1
Note2 Discov num STF 991 DRAs DDEs
R dRAs Year 1830 Theta 167 Rho 3.8
Obs 16 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5608 M ADS BDS N IDS IDS 06509N2505B
HIC 33422
 
 
06570+2457 C
 
 
Coord arcsec 2000 065657.53+245523.9 Coord calc 065657.53+245523.9 Mag 10.6 PmRA -1.00
PmDE -2.0 Calc delta mag 2.65
CCDM
Ccdm 06570+2457 RComp Comp C Note1
Note2 Discov num STF 991 DRAs DDEs
R dRAs Year 1907 Theta 202 Rho 134.4
Obs 1 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5608 M ADS BDS N IDS IDS 06509N2505C
HIC
 
 
06570+2457 D
 
 
Coord arcsec 2000 065657.53+245537.1 Mag 11.1 PmRA -4.00 PmDE -4.0
Calc delta mag 3.15 Calc coord yes
CCDM
Ccdm 06570+2457 RComp C Comp D Note1
Note2 Discov num STF 991 DRAs DDEs
R dRAs Year 1907 Theta 359 Rho 13.2
Obs 1 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 5608 M ADS BDS N IDS IDS 06509N2505D
HIC