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Doubles in session


Current system
09521+1628
SE 5 AC


Nearby doubles
21' : 09524+1608
CVR 543

32' : 09500+1634
STF1385

33' : 09499+1620
STF1384

36' : 09535+1657
CHR 219

36' : 09531+1555
DAM1824

39' : 09532+1552
DAM1827

40' : 09499+1650
STT 207

44' : 09500+1658
COU 937

44' : 09536+1549
OCC 721

46' : 09554+1636
WAM 3

48' : 09526+1541
DAM1819

55' : 09484+1631
UC 1832

56' : 09529+1534
OCC 641

60' : 09534+1724
OCC 662

62' : 09517+1729
LBU 13AB

63' : 09562+1606
KPP 920

67' : 09532+1732
DAM1826

73' : 09572+1626
GWP1256

79' : 09467+1632
TOK 531

95' : 09580+1713
SLW 413

98' : 09465+1534
HJ 142

101' : 09514+1808
SLW 399

105' : 09450+1647
CVR1238

106' : 09537+1445
HEI 153

108' : 09454+1541
UC 136

112' : 09599+1618
DAM1901



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.

09521+1628 SE 5 AC

 
 
09h 52m 08.54s +16° 27' 46.8" P.A. 41.00 sep 11.3 mag 9.31,11.20 Sp B9
 
 
Coord 2000 09521+1628 Discov num SE    5 Comp AC Coord arcsec 2000 09 52 08.54 +16 27 46.8
Date first 1856 Date last 2015 Obs 22
Pa first 40 Pa last 40.7 P.A. Now (θ) 40.7°
Sep first 10.7 Sep last 11.276 Sep. Now (ρ) 11.276"
Mag pri 9.31 Mag sec 11.20 delta mag (ΔM) 1.89 Spectral class B9 (blue-white)
Pri motion ra +003 Sec motion ra -002
Pri motion dec +016 Sec motion dec -002
Notes
rPM=1.148
This double is not physical.
 
 
09521+1628 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 85442 98818 09 52 09 +16 27 47 STF 1390 AB 2017 32 207 2.2 9.31 10.12 0.81
Show 98818 09 52 09 +16 27 47 SE 5 AC 2015 22 41 11.3 9.31 11.20 1.89 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo SAO 98818 Tycho2 1411-00743-1 Gaia DR2 619871365448943872
 
 
WDS 09521+1628 SE 5 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Se_1855 Ma j Secchi, A. ...................
Se_1855 Observations, 1855-1856
Se_1857 - Secchi, A. 1857AN.....45..251S
Se_1857 AN 45, 251, 1857
Se_1860 Ma - Secchi, A. .
Se_1860 Cat. of 1321 Double Stars, 1860
Se_1868 Ma - Secchi, A. .
Se_1868 Cat. Stellie Doppie Col. Rome, 1868
Se_1863 Ma - Secchi, A. .
Se_1863 Second Series, 1863-1866
Se_1865 Ma j Secchi, A. 1865MNRAS..26...62S
Se_1865 MNRAS 26, 62, 1865
Se_1865B Ma - Secchi, A. 1865AN.....84...81E
Se_1865B cited by Engelmann (AN 64, 81, #1518, 1865)
Se_1866 Ma j Secchi, A. 1866AN.....68...87S
Se_1866 AN 68, 87, 1866
Se_1872 Ma j Secchi, A. & Ferrari, P.G. 1872MNRAS..33...64S
Se_1872 MNRAS 33, 64, 1872
Se_1875 Ma j Secchi, A. .
Se_1875 Atti Acad. Lincei 28, 207, 1875
Se_1884A Ma - Secchi, A. 1884AReg...22..216S
Se_1884A cited by Sadler (Astr. Register 22, 216, 1884)
Se_1906A Ma - Secchi, A. 1906MmRAS..56....1L
Se_1906A cited by Lewis (MemRAS 56, 1, 1906)
Se_1906B Ma - Secchi, A. 1906QB821.B972.....
Se_1906B cited in BDS (Burnham Double Star Cat., 1906)
Se_1932A Ma - Secchi, A. 1932QB821.A43......
Se_1932A cited in ADS (Aitken Double Star Cat.), 1932
Se_1937A Ma - Secchi, A. 1937AnLei..18....1S
Se_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
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
09521+1628 SE 5 AC 1999 17 40 11.8 9.31 11.20 B9 D 095208.54+162746.8
09521+1628 SE 5 AC 2010 19 40 10.7 9.31 11.20 B9 D 095208.54+162746.8
09521+1628 SE 5 AC 2014 21 40 10.7 9.31 11.20 B9 095208.54+162746.8
09521+1628 SE 5 AC 2015 22 41 11.3 9.31 11.20 B9 095208.54+162746.8

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

 
 
WDS 09521+1628 SE 5 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09521+1628 SE 5 AC : MEASURES
 
 
No records found.

 
 
WDS 09521+1628 : VIRTUAL EYEPIECE
 
 

09521+1628 STF1390A mag 9.31 Sp B9 09521+1628 STF1390B sep 2.2 P.A. 205.70 mag 10.12 09521+1628 SE 5C sep 11.1 P.A. 39.50 mag 11.2 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 09521+1628 : ALADIN DSS IMAGE @ 09h 52m 08.54s +16° 27' 46.8"
 
 
 
 
WDS 09521+1628 SE 5 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09521+1628 SE 5AC distance=0' 09524+1608 CVR 543 distance=21' 09500+1634 STF1385 distance=32' 09499+1620 STF1384 distance=33' 09535+1657 CHR 219 distance=36' 09531+1555 DAM1824 distance=36' 09532+1552 DAM1827 distance=39' 09499+1650 STT 207 distance=40' 09500+1658 COU 937 distance=44' 09536+1549 OCC 721 distance=44' 09554+1636 WAM 3 distance=46' 09526+1541 DAM1819 distance=48' 09484+1631 UC 1832 distance=55' 09529+1534 OCC 641 distance=56' 09534+1724 OCC 662 distance=60' 09517+1729 LBU 13AB distance=62' 09517+1729 DAM 14AC distance=62' 09517+1729 LBU 13AD distance=62' 09562+1606 KPP 920 distance=63' 09532+1732 DAM1826 distance=67' 09572+1626 GWP1256 distance=73' 09467+1632 TOK 531 distance=79' 09580+1713 SLW 413 distance=95' 09465+1534 HJ 142 distance=98' 09514+1808 SLW 399 distance=101' 09450+1647 CVR1238 distance=105' 09537+1445 HEI 153 distance=106' 09454+1541 UC 136 distance=108' 09599+1618 DAM1901 distance=112' 09599+1610 A 2482 distance=114' 09528+1821 ZUC 7 distance=114' 09516+1825 UC 1838 distance=118' 10006+1611 COU 6 distance=122' 09493+1824 LDS3933 distance=123' 09494+1832 HDS1419 distance=130' 09434+1543 SKF2686 distance=134' 09470+1820 SKF1723 distance=135' 10006+1731 KPP 208 distance=138' 09592+1453 SLW 419 distance=140' 10019+1657 DAM1935 distance=144' 09476+1419 MRL 2 distance=145' 09423+1705 STT 206 distance=146' 10017+1725 RUC 7 distance=149' 09425+1728 GRV1288 distance=151' 09431+1509 SLW 386 distance=153' 10027+1635 BPM 569 distance=153' 10025+1703 RUC 22AB distance=154' 09563+1404 TDS 560 distance=156' 09468+1410 GWP1235 distance=159' 09557+1358 DAM1855 distance=159' 09431+1453 LDS3918 distance=163' 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 09521+1628 STF1390 AB 207 2.2
Show 09521+1628 SE 5 AC 41 11.3
Show 09524+1608 CVR 543 48 8.6 21
Show 09500+1634 STF1385 327 1.0 32
Show 09499+1620 STF1384 183 11.6 33
Show 09535+1657 CHR 219 45 0.2 36
Show 09531+1555 DAM1824 57 2.7 36
Show 09532+1552 DAM1827 74 2.6 39
Show 09499+1650 STT 207 321 24.8 40
Show 09500+1658 COU 937 117 1.5 44
Show 09536+1549 OCC 721 -1 0.1 44
Show 09554+1636 WAM 3 218 3.6 46
Show 09526+1541 DAM1819 291 4.6 48
Show 09484+1631 UC 1832 328 30.6 55
Show 09529+1534 OCC 641 -1 0.1 56
Show 09534+1724 OCC 662 -1 -1.0 60
Show 09517+1729 LBU 13 AB 302 55.4 62
Show 09517+1729 DAM 14 AC 296 92.0 62
Show 09517+1729 LBU 13 AD 299 106.1 62
Show 09562+1606 KPP 920 13 7.6 63
Show 09532+1732 DAM1826 39 3.2 67
Show 09572+1626 GWP1256 36 21.5 73
Show 09467+1632 TOK 531 243 999.9 79
Show 09580+1713 SLW 413 332 173.6 95
Show 09465+1534 HJ 142 125 18.3 98
Show 09514+1808 SLW 399 243 75.3 101
Show 09450+1647 CVR1238 244 3.6 105
Show 09537+1445 HEI 153 121 3.0 106
Show 09454+1541 UC 136 69 35.2 108
Show 09599+1618 DAM1901 160 4.9 112
Show 09599+1610 A 2482 40 0.8 114
Show 09528+1821 ZUC 7 108 1.3 114
Show 09516+1825 UC 1838 162 23.7 118
Show 10006+1611 COU 6 282 1.2 122
Show 09493+1824 LDS3933 85 7.9 123
Show 09494+1832 HDS1419 173 0.0 130
Show 09434+1543 SKF2686 234 1.8 134
Show 09470+1820 SKF1723 320 1.5 135
Show 10006+1731 KPP 208 99 3.7 138
Show 09592+1453 SLW 419 139 135.9 140
Show 10019+1657 DAM1935 14 9.6 144
Show 09476+1419 MRL 2 102 0.4 145
Show 09423+1705 STT 206 224 17.9 146
Show 10017+1725 RUC 7 223 0.1 149
Show 09425+1728 GRV1288 20 29.8 151
Show 09431+1509 SLW 386 162 61.2 153
Show 10027+1635 BPM 569 160 25.7 153
Show 10025+1703 RUC 22 AB 111 18.6 154
Show 09563+1404 TDS 560 327 1.0 156
Show 09468+1410 GWP1235 12 56.3 159
Show 09557+1358 DAM1855 266 3.9 159

 
 
WDS 09521+1628 : COMPONENTS
 
 
  A B
B pa=205.7°
sep=2.21"
 
C pa=39.5°
sep=11.08"
pa=37.2°
sep=13.23"
 
 
09521+1628 A
 
 
Name HD 85442 Coord arcsec 2000 095208.54+162746.8 Mag 9.31 Spectral class B9 (blue-white)
PmRA -4.00 PmDE 2.0 SAO 98818 HIP 48406
Tycho2 1411-00743-1 HD 85442 GC 13575 BD BD+17 2148
Tycho2
Tycho2 1411-00743-1 Pflag P RAmdeg 148.03548841 DEmdeg 16.46286591
PmRA -3.6 PmDE 2.2 E RAmdeg 8 E DEmdeg 13
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.27 EpDEm 1990.11
Num 5 Q RAmdeg 0.9 Q DEmdeg 1.5 Q pmRA 0.8
Q pmDE 1.5 BTmag 9.393 E BTmag 0.021 VTmag 9.308
E VTmag 0.020 Prox 22 TYC T HIP 48406
CCDM A RAdeg 148.03557083 DEdeg 16.46299889 EpRA 1990 1.65
EpDE 1990 1.12 E RAdeg 8.4 E DEdeg 13.0 Posflg D
Corr 0.1
SAO
SAO 98818 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 -0.018 Vmag 8.4 SpType B9
Double code Source 70 CatNum 13575 DM BD+17 2148
DMcomp BDsup HD 85442 M HD 0
GC 13575 RA1950rad 2.57175611 DE1950rad 0.29143512 PmRA2000 0.0004
PmDE2000 -0.013
Hipparcos
Catalog H HIP 48406 Proxy H RAhms 09 52 08.54
DEdms +16 27 46.8 Vmag 8.97 VarFlag R Vmag H
RAdeg 148.036 DEdeg 16.463 AstroRef A Plx -0.49
CCDM 09521+1628 N CCDM I Nsys 1 Ncomp 3
MultFlag C Source Qual B M HIP
Theta Rho HD 85442 BD BD+17 2148
CD CP Dm number +17 2148 VIred -0.33
SpType B9 R SpType Coord arcsec 2000 095208.54+162746.8
Hipparcos 2
HIP 48406 Sn 15 So 3 Nc 3
RArad 2.5837081722 DErad 0.287333678 Plx -2.73 PmRA -4.76
PmDE -1.23 E RArad 1.72 E DErad 0.83 E Plx 1.52
E pmRA 2.04 E pmDE 0.73 Hpmag 8.8493 E Hpmag 0.0027
SHp 0.019 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 09521+1628 RComp Comp A Note1
Note2 Discov num DRAs 2.47 DDEs -14.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.8 Sp B9 PmNote *
PmRA -12 PmDE -15 Dm number +17 2148 Cat1 BD
Name2 +16 1051 Cat2 AGK2/3 HD 85442 M HD
ADS BDS A 7549 M ADS BDS N IDS IDS 09467N1656A
HIC 48406
 
 
09521+1628 B
 
 
Coord arcsec 2000 095208.47+162744.8 Mag 10.12 PmRA -4.00 PmDE 2.0
Tycho2 1411-00743-2 Calc delta mag 0.81 Calc coord yes
Tycho2
Tycho2 1411-00743-2 Pflag P RAmdeg 148.03548841 DEmdeg 16.46286591
PmRA -3.6 PmDE 2.2 E RAmdeg 8 E DEmdeg 13
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.27 EpDEm 1990.11
Num 5 Q RAmdeg 0.9 Q DEmdeg 1.5 Q pmRA 0.8
Q pmDE 1.5 BTmag 10.131 E BTmag 0.031 VTmag 10.117
E VTmag 0.038 Prox 22 TYC T HIP 48406
CCDM B RAdeg 148.03528056 DEdeg 16.46245222 EpRA 1990 1.65
EpDE 1990 1.13 E RAdeg 15.6 E DEdeg 24.4 Posflg D
Corr 0.1
CCDM
Ccdm 09521+1628 RComp Comp B Note1
Note2 Discov num STF1390 DRAs DDEs
R dRAs Year 1829 Theta 207 Rho 2.3
Obs 13 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7549 M ADS BDS N IDS IDS 09467N1656B
HIC 48406
 
 
09521+1628 C
 
 
Coord arcsec 2000 095209.03+162755.3 Mag 11.2 PmRA -2.00 PmDE -2.0
Calc delta mag 1.89 Calc coord yes
CCDM
Ccdm 09521+1628 RComp Comp C Note1
Note2 Discov num SE DRAs DDEs
R dRAs Year 1911 Theta 040 Rho 11.4
Obs 7 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7549 M ADS BDS N IDS IDS 09467N1656C
HIC