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Doubles in session


Current system
12522+1704
STFA 23 AC


Nearby doubles
19' : 12531+1717
TDS8569

50' : 12540+1623
HEI 162

53' : 12524+1757
KRW 1

54' : 12559+1653
BPM 599

56' : 12494+1628
SLE 904

64' : 12497+1613
SKF 275

65' : 12535+1601
HEI 161

70' : 12519+1555
SLW 784

71' : 12534+1758
HJ 218

73' : 12573+1713
SLE 907

89' : 12461+1715
A 2061

96' : 12483+1821
SLW 776

108' : 12479+1832
LDS4273

110' : 12483+1530
HEI 160

117' : 12599+1743
GWP1887

124' : 12530+1502
STF1686AB

124' : 12575+1842
BGH 5

126' : 12519+1910
STF1685AB

131' : 12433+1734
BPM 596

137' : 12546+1452
LDS4293

137' : 13013+1748
COU 297

144' : 12426+1628
SLW 763

147' : 12551+1925
GWP1878

149' : 13012+1552
STF1707AB

151' : 12564+1447
UC 2436

152' : 12530+1935
J 2087



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.

12522+1704 STFA 23 AC

 
 
12h 52m 12.26s +17° 04' 26.2" P.A. 262.00 sep 905.4 mag 6.50,8.95 Sp M0III dist. 598.8 pc (1953.29 l.y.)
 
 
Coord 2000 12522+1704 Discov num STFA 23 Comp AC Coord arcsec 2000 12 52 12.26 +17 04 26.2
Date first 1875 Date last 2015 Obs 7
Pa first 262 Pa last 262.3 P.A. Now (θ) 262.3°
Sep first 898.1 Sep last 905.4 Sep. Now (ρ) 905.4"
Mag pri 6.50 Mag sec 8.95 delta mag (ΔM) 2.45 Spectral class M0III (red)
Pri motion ra +002 Sec motion ra -035
Pri motion dec -005 Sec motion dec -006
Notes N W (See Notes, )
rPM=1.042
This double is not physical.
 
 
12522+1704 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 32 Com 100309 12 52 12 +17 04 26 STFA 23 AB 2015 43 51 196.3 6.50 6.99 0.49
Show 100309 12 52 12 +17 04 26 STFA 23 AC 2015 7 262 905.4 6.50 8.95 2.45 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices SAO 100309 HIP 62807 Tycho2 1449-00991-1
Gaia DR2 3934695788420101376 HD 111862 HR 4884 GC 17464
BD BD+17 2551 Flamsteed 32 Comae Berenices Flamsteed name 32 Com FK5 1333
Distance 598.8 Distance ly 1953.29
 
 
WDS 12522+1704 STFA 23 AC : NOTES
 
 
discov_num notes refcode
STFA 23 32 Com. B is BD+17@2553.
 
 
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
12522+1704 STFA 23 AC 1991 4 262 904.7 6.50 8.95 N 125212.26+170426.2
12522+1704 STFA 23 AC 2001 5 262 905.0 6.50 8.95 N 125212.26+170426.2
12522+1704 STFA 23 AC 2015 7 262 905.4 6.50 8.95 M0III N W 125212.26+170426.2

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

 
 
WDS 12522+1704 STFA 23 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12522+1704 STFA 23 AC : MEASURES
 
 
No records found.

 
 
WDS 12522+1704 : VIRTUAL EYEPIECE
 
 

12522+1704 STFA 23A mag 6.5 Sp M0III 12522+1704 STFA 23B sep 191.1 P.A. 49.60 mag 6.99 12522+1704 STFA 23C sep 866.3 P.A. 261.90 mag 8.95 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 12522+1704 : ALADIN DSS IMAGE @ 12h 52m 12.26s +17° 04' 26.2"
 
 
 
 
WDS 12522+1704 STFA 23 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12522+1704 STFA 23AC distance=0' 12531+1717 TDS8569 distance=19' 12540+1623 HEI 162 distance=50' 12524+1757 KRW 1 distance=53' 12559+1653 BPM 599 distance=54' 12494+1628 SLE 904 distance=56' 12497+1613 SKF 275 distance=64' 12535+1601 HEI 161 distance=65' 12519+1555 SLW 784 distance=70' 12534+1758 HJ 218 distance=71' 12573+1713 SLE 907 distance=73' 12461+1715 A 2061 distance=89' 12483+1821 SLW 776 distance=96' 12479+1832 LDS4273 distance=108' 12483+1530 HEI 160 distance=110' 12599+1743 GWP1887 distance=117' 12530+1502 STF1686AB distance=124' 12530+1502 YSC 215Aa,Ab distance=124' 12575+1842 BGH 5 distance=124' 12519+1910 SHJ 153BC distance=126' 12519+1910 STF1685AB distance=126' 12519+1910 SHJ 153AC distance=126' 12433+1734 BPM 596 distance=131' 12546+1452 LDS4293 distance=137' 13013+1748 COU 297 distance=137' 12426+1628 SLW 763 distance=144' 13006+1822 BU 112A,BC distance=144' 13006+1822 BU 112BC distance=145' 12551+1925 GWP1878 distance=147' 13012+1552 STF1707AB distance=149' 12564+1447 UC 2436 distance=151' 12530+1935 J 2087 distance=152' 12494+1931 TDS 679 distance=153' 12531+1936 TOK 152 distance=153' 12422+1558 LDS1332AB distance=158' 12573+1925 SLN 73 distance=159' 12472+1442 EGG 7BC distance=159' 12472+1442 GIC 109AB distance=160' 12592+1454 HDS1822 distance=165' 12439+1507 HO 380 distance=169' 12422+1840 GWP1850 distance=172' 13025+1533 BAR 6 distance=175' 12400+1702 BRT2415 distance=175' 12452+1927 SLW 767 distance=175' 13020+1857 SLW 812 distance=180' 13047+1736 BPM 600 distance=182' 13027+1521 LDS4309 distance=183' 12398+1754 BPM 595 distance=185' 13046+1614 UC 2469 distance=185' 12553+2005 LDS2890 distance=186' 12488+1402 S 642 distance=189' 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 12522+1704 STFA 23 AB 51 196.3
Show 12522+1704 STFA 23 AC 262 905.4
Show 12531+1717 TDS8569 43 1.6 19
Show 12540+1623 HEI 162 132 0.9 50
Show 12524+1757 KRW 1 156 6.7 53
Show 12559+1653 BPM 599 89 51.3 54
Show 12494+1628 SLE 904 171 13.6 56
Show 12497+1613 SKF 275 202 2.9 64
Show 12535+1601 HEI 161 10 5.6 65
Show 12519+1555 SLW 784 163 37.1 70
Show 12534+1758 HJ 218 277 12.9 71
Show 12573+1713 SLE 907 176 15.0 73
Show 12461+1715 A 2061 194 1.2 89
Show 12483+1821 SLW 776 229 153.5 96
Show 12479+1832 LDS4273 123 132.1 108
Show 12483+1530 HEI 160 344 2.4 110
Show 12599+1743 GWP1887 314 33.7 117
Show 12530+1502 STF1686 AB 187 5.7 124
Show 12530+1502 YSC 215 Aa,Ab 52 0.2 124
Show 12575+1842 BGH 5 222 82.0 124
Show 12519+1910 SHJ 153 BC 331 251.3 126
Show 12519+1910 STF1685 AB 202 16.0 126
Show 12519+1910 SHJ 153 AC 328 241.7 126
Show 12433+1734 BPM 596 281 42.4 131
Show 12546+1452 LDS4293 163 11.7 137
Show 13013+1748 COU 297 188 0.3 137
Show 12426+1628 SLW 763 312 9.4 144
Show 13006+1822 BU 112 A,BC 138.5 144
Show 13006+1822 BU 112 BC 299 2.1 145
Show 12551+1925 GWP1878 41 26.8 147
Show 13012+1552 STF1707 AB 41 8.3 149
Show 12564+1447 UC 2436 205 64.2 151
Show 12530+1935 J 2087 164 6.7 152
Show 12494+1931 TDS 679 168 1.1 153
Show 12531+1936 TOK 152 321 10.8 153
Show 12422+1558 LDS1332 AB 348 23.4 158
Show 12573+1925 SLN 73 173 12.2 159
Show 12472+1442 EGG 7 BC 240 3.0 159
Show 12472+1442 GIC 109 AB 48 25.1 160
Show 12592+1454 HDS1822 66 0.4 165
Show 12439+1507 HO 380 347 2.3 169
Show 12422+1840 GWP1850 37 26.2 172
Show 13025+1533 BAR 6 42 3.1 175
Show 12400+1702 BRT2415 138 4.4 175
Show 12452+1927 SLW 767 101 132.9 175
Show 13020+1857 SLW 812 38 54.4 180
Show 13047+1736 BPM 600 200 79.3 182
Show 13027+1521 LDS4309 238 163.7 183
Show 12398+1754 BPM 595 335 63.0 185
Show 13046+1614 UC 2469 211 40.6 185
Show 12553+2005 LDS2890 121 116.6 186

 
 
WDS 12522+1704 : COMPONENTS
 
 
  A B
B pa=49.6°
sep=191.14"
 
C pa=261.9°
sep=866.31"
pa=256.3°
sep=1032.83"
 
 
12522+1704 A
 
 
Name 32 Com Coord arcsec 2000 125212.26+170426.2 Mag 6.5 Spectral class M0III (red)
PmRA 2.00 PmDE -5.0 SAO 100309 HIP 62807
Tycho2 1449-00991-1 HD 111862 HR 4884 GC 17464
BD BD+17 2551 Flamsteed 32 Comae Berenices Flamsteed name 32 Com FK5 1333
Tycho2
Tycho2 1449-00991-1 Pflag RAmdeg 193.05107404 DEmdeg 17.07394275
PmRA 3.3 PmDE -5.1 E RAmdeg 4 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.00 EpDEm 1990.82
Num 24 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.6
Q pmDE 0.6 BTmag 8.430 E BTmag 0.016 VTmag 6.496
E VTmag 0.010 Prox 999 TYC T HIP 62807
CCDM RAdeg 193.05106639 DEdeg 17.07395500 EpRA 1990 1.66
EpDE 1990 1.41 E RAdeg 3.7 E DEdeg 4.1 Posflg
Corr 0.4
SAO
SAO 100309 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.017 Vmag 6.5 SpType K5
Double code Source 74 CatNum 1333 DM BD+17 2551
DMcomp BDsup HD 111862 M HD 0
GC 17464 RA1950rad 3.35852565 DE1950rad 0.3027354 PmRA2000 -0.0002
PmDE2000 -0.012
Hipparcos
Catalog H HIP 62807 Proxy RAhms 12 52 12.26
DEdms +17 04 26.2 Vmag 6.32 VarFlag 1 R Vmag H
RAdeg 193.051 DEdeg 17.074 AstroRef Plx 1.78
CCDM 12521+1705 N CCDM I Nsys 3 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 111862 BD BD+17 2551
CD CP Dm number +17 2551 VIred 1.73
SpType M0III R SpType Coord arcsec 2000 125212.26+170426.2
Hipparcos 2
HIP 62807 Sn 5 So 0 Nc 1
RArad 3.369376729 DErad 0.2979967337 Plx 1.67 PmRA 1.16
PmDE -4.68 E RArad 0.34 E DErad 0.23 E Plx 0.39
E pmRA 0.45 E pmDE 0.26 Hpmag 6.421 E Hpmag 0.0013
SHp 0.011 VA 2 BV 1.622 E BV 0.009
VI 1.77
 
 
12522+1704 B
 
 
Coord arcsec 2000 125222.42+170630.0 Mag 6.99 PmRA 38.00 PmDE -36.0
SAO 100311 HIP 62819 Tycho2 1449-00262-1 HD 111892
GC 17466 BD BD+17 2553 Calc delta mag 0.49 Calc coord yes
Tycho2
Tycho2 1449-00262-1 Pflag RAmdeg 193.09524398 DEmdeg 17.10839070
PmRA 36.7 PmDE -36.1 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.23 EpDEm 1991.03
Num 19 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.6
Q pmDE 0.6 BTmag 7.609 E BTmag 0.015 VTmag 6.985
E VTmag 0.010 Prox 999 TYC T HIP 62819
CCDM RAdeg 193.09515556 DEdeg 17.10847667 EpRA 1990 1.69
EpDE 1990 1.43 E RAdeg 3.7 E DEdeg 4.2 Posflg
Corr 0.3
SAO
SAO 100311 DelFlag RA1950 PmRA1950 0.0022
DE1950 PmDE1950 -0.041 Vmag 6.9 SpType F8
Double code Source 70 CatNum 17466 DM BD+17 2553
DMcomp BDsup HD 111892 M HD 0
GC 17466 RA1950rad 3.35928886 DE1950rad 0.3033444 PmRA2000 0.0022
PmDE2000 -0.036
Hipparcos
Catalog H HIP 62819 Proxy RAhms 12 52 22.84
DEdms +17 06 30.5 Vmag 6.93 VarFlag R Vmag H
RAdeg 193.095 DEdeg 17.1085 AstroRef Plx 8.21
CCDM 12521+1705 N CCDM I Nsys 3 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 111892 BD BD+17 2553
CD CP Dm number +17 2553 VIred 0.64
SpType F8 R SpType Coord arcsec 2000 125222.84+170630.5
Hipparcos 2
HIP 62819 Sn 5 So 0 Nc 1
RArad 3.370146165 DErad 0.2985992597 Plx 8.03 PmRA 37.56
PmDE -36.03 E RArad 0.48 E DErad 0.31 E Plx 0.51
E pmRA 0.6 E pmDE 0.39 Hpmag 7.0515 E Hpmag 0.001
SHp 0.01 VA 0 BV 0.565 E BV 0.007
VI 0.64
 
 
12522+1704 C
 
 
Coord arcsec 2000 125112.44+170224.9 Mag 8.95 PmRA -35.00 PmDE -6.0
Calc delta mag 2.45 Calc coord yes