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Doubles in session


Current system
08391+1941
S 570 AB
HD 73449


Nearby doubles
9' : 08397+1939
HZG 6

15' : 08399+1933
BU 584AB

15' : 08401+1944
PAT 45

17' : 08396+1926
BOV 39

18' : 08404+1940
STF1254AB

19' : 08403+1947
BOV 41

20' : 08391+2000
OCC 637

21' : 08405+1933
S 574AB
Meleph

21' : 08377+1946
STF1249

23' : 08377+1931
HJ 454AB

23' : 08382+1922
BOV 35

24' : 08381+1959
BOV 34

25' : 08408+1940
BOV 47

25' : 08401+2000
ENG 37AB

27' : 08397+2005
COU 47

27' : 08403+1921
CHR 130

28' : 08384+2006
BOV 36

32' : 08400+2009
ARN 105AB

33' : 08393+2013
BOV 38

34' : 08404+1913
BOV 43

35' : 08404+1911
BOV 44

36' : 08403+2012
BOV 40

39' : 08366+1955
SLW 269AB

40' : 08413+1916
KU 32

41' : 08363+1933
BOV 30

41' : 08368+1915
KPP 768



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.

08391+1941 S 570 AB (HD 73449)

 
 
08h 39m 06.10s +19° 40' 36.5" P.A. 84.00 sep 57.3 mag 7.47,9.64 Sp A8V
 
 
Coord 2000 08391+1941 Discov num S   570 Comp AB Coord arcsec 2000 08 39 06.10 +19 40 36.5
Date first 1825 Date last 2015 Obs 22
Pa first 84 Pa last 84.1 P.A. Now (θ) 84.1°
Sep first 57.5 Sep last 57.278 Sep. Now (ρ) 57.278"
Mag pri 7.47 Mag sec 9.64 delta mag (ΔM) 2.17 Spectral class A8V (white)
Pri motion ra -036 Sec motion ra -036
Pri motion dec -012 Sec motion dec -012
Notes
Nature of this double is uncertain.
 
 
08391+1941 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 73449 97999 08 39 06 +19 40 36 S 570 AB 2015 22 84 57.3 7.47 9.64 2.17 <===
Show 97999 08 39 06 +19 40 36 S 570 AC 2015 21 345 178.6 7.47 9.35 1.88
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 73449 Constellation Cancer SAO 97999 Tycho2 1395-01928-1
Gaia DR2 661288628440350080 HD 73449 GC 11858
 
 
WDS 08391+1941 S 570 AB (HD 73449) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
S__1826 Ma - South, J. 1826RSPT..116....1S
S__1826 Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A Ma - South, J. 1844QB43.S66.......
S__1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A Ma - South, J. .
S__1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A Ma - South, J. 1880MNRAS..40..497B
S__1880A cited by Burnham (MNRAS 40, 497, 1880)
S__1906A Ma - South, J. 1906MmRAS..56....1L
S__1906A cited by Lewis (MemRAS 56, 1, 1906)
S__1906B Ma - South, J. 1906QB821.B972.....
S__1906B cited in BDS (Burnham Double Star Cat., 1906)
S__1913A Ma - South, J. 1913QB811.B8.......
S__1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A Ma - South, J. 1922AN....216...49R
S__1922A cited by Rabe (AN 216, 49, 1922)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08391+1941 S 570 AB 2003 13 84 57.1 7.47 8.50 A8V D 083906.10+194036.5
08391+1941 S 570 AB 2006 14 84 57.3 7.47 8.50 A8V D 083906.10+194036.5
08391+1941 S 570 AB 2012 15 84 58.3 7.47 8.50 A8V D 083906.10+194036.5
08391+1941 S 570 AB 2015 20 84 57.3 7.47 9.64 A8V 083906.10+194036.5

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

 
 
WDS 08391+1941 S 570 AB (HD 73449) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08391+1941 S 570 AB (HD 73449) : MEASURES
 
 
No records found.

 
 
WDS 08391+1941 (HD 73449) : VIRTUAL EYEPIECE
 
 

08391+1941 S 570A mag 7.47 Sp A8V 08391+1941 S 570B sep 54.0 P.A. 83.70 mag 9.64 08391+1941 S 570C sep 177.9 P.A. 345.70 mag 9.35 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 08391+1941 (HD 73449) : ALADIN DSS IMAGE @ 08h 39m 06.10s +19° 40' 36.5"
 
 
 
 
WDS 08391+1941 S 570 AB (HD 73449) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08391+1941 S 570AB distance=1' 08391+1941 S 570AC distance=1' 08397+1939 HZG 6 distance=9' 08399+1933 CHR 156Da,Db distance=14' 08399+1933 BKO 34DE distance=14' 08399+1933 BU 584DC distance=14' 08399+1933 BU 584AB distance=15' 08399+1933 S 571AD distance=15' 08399+1933 S 571AG distance=15' 08399+1933 GII 164Aa,Ab distance=15' 08401+1944 PAT 45 distance=15' 08396+1926 BOV 39 distance=17' 08404+1940 S 572CD distance=18' 08404+1940 STF1254AB distance=18' 08404+1940 STF1254AC distance=18' 08404+1940 STF1254AD distance=18' 08404+1940 SMR 30AE distance=18' 08403+1947 BOV 41 distance=19' 08404+1940 BOV 42Ba,Bb distance=19' 08391+2000 OCC 637 distance=20' 08405+1933 S 574AB (Meleph) distance=21' 08405+1933 CIA 28Aa,Ab (Meleph) distance=21' 08377+1946 STF1249 distance=21' 08377+1931 HJ 454AB distance=23' 08382+1922 BOV 35 distance=23' 08381+1959 BOV 34 distance=24' 08401+2000 CHR 28Ba,Bb distance=24' 08401+2000 BUP 120BR distance=24' 08408+1940 BOV 47 distance=25' 08401+2000 ENG 37AB distance=25' 08401+2000 ENG 37AC distance=25' 08401+2000 ENG 37AD distance=25' 08401+2000 SLE 685AR distance=25' 08401+2000 SLE 335AS distance=25' 08401+2000 PAT 44Ca,Cb distance=25' 08401+2000 SLE 335CS distance=25' 08397+2005 COU 47 distance=27' 08403+1921 CHR 130 distance=27' 08384+2006 BOV 36 distance=28' 08400+2009 ARN 105AB distance=32' 08404+2006 PAT 46CJ distance=32' 08393+2013 BOV 38 distance=33' 08404+1913 BOV 43 distance=34' 08404+1911 BOV 44 distance=35' 08403+2012 BOV 40 distance=36' 08366+1955 SLW 269AB distance=39' 08366+1955 SLW 268BC distance=40' 08413+1916 KU 32 distance=40' 08418+1952 OCC 638Fa,Fb distance=41' 08363+1933 BOV 30 distance=41' 08368+1915 KPP 768 distance=41' 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 08391+1941 S 570 AB 84 57.3 1
Show 08391+1941 S 570 AC 345 178.6 1
Show 08397+1939 HZG 6 55 2.8 9
Show 08399+1933 CHR 156 Da,Db 241 0.6 14
Show 08399+1933 BKO 34 DE 3 35.4 14
Show 08399+1933 BU 584 DC 89 99.6 14
Show 08399+1933 BU 584 AB 290 0.9 15
Show 08399+1933 S 571 AD 242 92.1 15
Show 08399+1933 S 571 AG 158 45.7 15
Show 08399+1933 GII 164 Aa,Ab 101 0.2 15
Show 08401+1944 PAT 45 208 0.9 15
Show 08396+1926 BOV 39 352 1.1 17
Show 08404+1940 S 572 CD 91 72.6 18
Show 08404+1940 STF1254 AB 55 20.8 18
Show 08404+1940 STF1254 AC 343 62.5 18
Show 08404+1940 STF1254 AD 44 83.5 18
Show 08404+1940 SMR 30 AE 156 15.9 18
Show 08403+1947 BOV 41 69 0.1 19
Show 08404+1940 BOV 42 Ba,Bb 25 1.8 19
Show 08391+2000 OCC 637 -1 0.0 20
Show Meleph 08405+1933 S 574 AB 250 134.0 21
Show Meleph 08405+1933 CIA 28 Aa,Ab 171 0.0 21
Show 08377+1946 STF1249 40 24.9 21
Show 08377+1931 HJ 454 AB 271 36.4 23
Show 08382+1922 BOV 35 27 0.2 23
Show 08381+1959 BOV 34 74 0.2 24
Show 08401+2000 CHR 28 Ba,Bb 134 0.4 24
Show 08401+2000 BUP 120 BR 147 140.3 24
Show 08408+1940 BOV 47 45 0.1 25
Show 08401+2000 ENG 37 AB 150 151.8 25
Show 08401+2000 ENG 37 AC 309 134.0 25
Show 08401+2000 ENG 37 AD 111 134.9 25
Show 08401+2000 SLE 685 AR 150 290.3 25
Show 08401+2000 SLE 335 AS 325 261.7 25
Show 08401+2000 PAT 44 Ca,Cb 22 0.3 25
Show 08401+2000 SLE 335 CS 340 137.1 25
Show 08397+2005 COU 47 140 0.6 27
Show 08403+1921 CHR 130 160 0.1 27
Show 08384+2006 BOV 36 97 1.0 28
Show 08400+2009 ARN 105 AB 153 91.2 32
Show 08404+2006 PAT 46 CJ 153 0.4 32
Show 08393+2013 BOV 38 18 0.3 33
Show 08404+1913 BOV 43 205 0.5 34
Show 08404+1911 BOV 44 192 2.5 35
Show 08403+2012 BOV 40 289 0.3 36
Show 08366+1955 SLW 269 AB 296 45.1 39
Show 08366+1955 SLW 268 BC 244 178.5 40
Show 08413+1916 KU 32 165 2.2 40
Show 08418+1952 OCC 638 Fa,Fb -1 0.0 41
Show 08363+1933 BOV 30 16 0.1 41
Show 08368+1915 KPP 768 272 6.6 41

 
 
WDS 08391+1941 : COMPONENTS
 
 
  A B
B pa=83.7°
sep=53.97"
 
C pa=345.7°
sep=177.90"
pa=329.7°
sep=192.94"
 
 
08391+1941 A
 
 
Name HD 73449 Coord arcsec 2000 083906.10+194036.5 Mag 7.47 Spectral class A8V (white)
PmRA -36.00 PmDE -12.0 SAO 97999 Tycho2 1395-01928-1
HD 73449 GC 11858 DM BD+20 2143
Tycho2
Tycho2 1395-01928-1 Pflag RAmdeg 129.77544911 DEmdeg 19.67681554
PmRA -35.5 PmDE -11.7 E RAmdeg 5 E DEmdeg 6
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.31 EpDEm 1990.70
Num 14 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.3 BTmag 7.744 E BTmag 0.017 VTmag 7.469
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 129.77553500 DEdeg 19.67684333 EpRA 1990 1.79
EpDE 1990 1.48 E RAdeg 5.0 E DEdeg 6.1 Posflg
Corr 0.2
SAO
SAO 97999 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 -0.017 Vmag 8.1 SpType F0
Double code Source 70 CatNum 11858 DM BD+20 2143
DMcomp BDsup HD 73449 M HD 0
GC 11858 RA1950rad 2.2524897 DE1950rad 0.34651297 PmRA2000 -0.0025
PmDE2000 -0.013
 
 
08391+1941 B
 
 
Coord arcsec 2000 083909.90+194042.4 Mag 9.64 PmRA -36.00 PmDE -12.0
Calc delta mag 2.17 Calc coord yes
 
 
08391+1941 C
 
 
Coord arcsec 2000 083903.00+194328.9 Mag 9.35 PmRA -36.00 PmDE -12.0
Tycho2 1395-02310-1 Calc delta mag 1.88 Calc coord yes
Tycho2
Tycho2 1395-02310-1 Pflag RAmdeg 129.76178758 DEmdeg 19.72472851
PmRA -35.7 PmDE -11.3 E RAmdeg 15 E DEmdeg 18
E pmRA 1.0 E pmDE 1.0 EpRAm 1987.68 EpDEm 1984.68
Num 9 Q RAmdeg 1.3 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.0 BTmag 9.855 E BTmag 0.033 VTmag 9.346
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 129.76187000 DEdeg 19.72475472 EpRA 1990 1.80
EpDE 1990 1.44 E RAdeg 16.2 E DEdeg 21.1 Posflg
Corr 0.2