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Doubles in session


Current system
20094+1806
DOO 81


Nearby doubles
12' : 20064+1802
HJ 2931AB

17' : 20051+1822
BPM1985

19' : 20070+1803
BPM2003

22' : 20047+1751
SLE 680AB

24' : 20055+1743
SLE 682

31' : 20056+1838
COU 326

31' : 20044+1742
BPM1971

32' : 20078+1800
BPM2015

32' : 20079+1805
TDT2008

34' : 20039+1746
BPM1969

35' : 20080+1816
BPM2016

37' : 20042+1739
SLE 679

37' : 20076+1741
JEF 3

41' : 20077+1835
TDT2002

41' : 20085+1806
BPM2021

41' : 20046+1729
BPM1978

42' : 20033+1830
STT 396

46' : 20033+1736
BPM1962

46' : 20028+1747
BPM1953

48' : 20057+1719
BPM1991

49' : 20090+1808
HJ 2932AB

49' : 20084+1837
HDS2870

52' : 20024+1744
BPM1947AB

53' : 20092+1822
HU 354

54' : 20041+1854
J 3047

55' : 20073+1718
BPM2008



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20094+1806 DOO 81

 
 
20h 05m 39.95s +18° 06' 58.4" P.A. 256.00 sep 9.6 mag 10.90,11.80
 
 
Coord 2000 20094+1806 Discov num DOO  81 Comp Coord arcsec 2000 20 05 39.95 +18 06 58.4
Date first 1907 Date last 2015 Obs 7
Pa first 266 Pa last 256.2 P.A. Now (θ) 256.2°
Sep first 8.7 Sep last 9.601 Sep. Now (ρ) 9.601"
Mag pri 10.90 Mag sec 11.80 delta mag (ΔM) 0.9 Spectral class
Pri motion ra Sec motion ra -003
Pri motion dec Sec motion dec -007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Gaia DR2 1821927154189888256
 
 
WDS 20094+1806 DOO 81 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doo1901 Ma j Doolittle, E. 1901PFAO....1c...1D
Doo1901 Pub. Univ. Penn. 1, Pt. 3, 1901
Doo1903a Ma - Doolittle, E. 1903AJ.....23..175D
Doo1903a AJ 23, 175, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1903b Ma j Doolittle, E. 1903AJ.....23..177D
Doo1903b AJ 23, 177, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1905a Ma j Doolittle, E. 1905PFAO....2c...1D
Doo1905a Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1905b Ma - Doolittle, E. (measure by Hadley, J.M.) 1905PFAO....2c...1D
Doo1905b Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1906A Ma - Doolittle, E. 1906MmRAS..56....1L
Doo1906A +orb cited by Lewis (MemRAS 56, 1, 1906)
Doo1906B Ma - Doolittle, E. 1906QB821.B972.....
Doo1906B cited in BDS (Burnham Double Star Cat., 1906)
Doo1907 Ma j Doolittle, E. 1907PFAO....3c...1D
Doo1907 Pub. Univ. Penn. 3, Pt. 3, 1907
Doo1912 Ma j Doolittle, E. 1912PFAO....4a...1D
Doo1912 Pub. Univ. Penn. 4, Pt. 1, 1912
Doo1913A Ma - Doolittle, E. 1913QB811.B8.......
Doo1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Doo1915a Ma - Doolittle, E. 1915MNRAS..75..666D
Doo1915a MNRAS 75, 666, 1915
Doo1915b Ma - Doolittle, E. 1915PFAO....4a...1D
Doo1915b Pub. Univ. Penn. 4, Pt. 1, 1915
Doo1915c Ma - Doolittle, E. 1915AJ.....29...49D
Doo1915c AJ 29, 49, 1915
Doo1923 Ma j Doolittle, E. 1923PFAO....4b...1D
Doo1923 Pub. Univ. Penn. 4, Pt. 2, 1923
Doo1932A Ma - Doolittle, E. 1932QB821.A43......
Doo1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20094+1806 DOO 81 1907 1 266 8.7 10.90 11.80
20094+1806 DOO 81 2000 2 257 9.5 10.90 11.80 D 200539.95+180658.4
20094+1806 DOO 81 2001 3 256 9.6 10.90 11.80 D 200539.95+180658.4
20094+1806 DOO 81 2010 4 255 9.2 10.90 11.80 200539.95+180658.4
20094+1806 DOO 81 2015 7 256 9.6 10.90 11.80 200539.95+180658.4

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

 
 
WDS 20094+1806 DOO 81 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20094+1806 DOO 81 : MEASURES
 
 
No records found.

 
 
WDS 20094+1806 : VIRTUAL EYEPIECE
 
 

20094+1806 DOO 81A mag 10.9 20094+1806 DOO 81B sep 9.2 P.A. 255.50 mag 11.8 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 20094+1806 : ALADIN DSS IMAGE @ 20h 05m 39.95s +18° 06' 58.4"
 
 
 
 
WDS 20094+1806 DOO 81 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20094+1806 DOO 81 distance=0' 20064+1802 HJ 2931AB distance=12' 20064+1802 DOO 80AC distance=12' 20051+1822 BPM1985 distance=17' 20070+1803 BPM2003 distance=19' 20047+1751 SLE 680AB distance=22' 20047+1751 FYM 279AC distance=22' 20055+1743 SLE 682 distance=24' 20056+1838 COU 326 distance=31' 20044+1742 BPM1971 distance=31' 20078+1800 BPM2015 distance=32' 20079+1805 TDT2008 distance=32' 20039+1746 BPM1969 distance=34' 20080+1816 BPM2016 distance=35' 20042+1739 SLE 679 distance=37' 20076+1741 JEF 3 distance=37' 20077+1835 TDT2002 distance=41' 20085+1806 BPM2021 distance=41' 20046+1729 BPM1978 distance=41' 20033+1830 STT 396 distance=42' 20033+1736 BPM1962 distance=46' 20028+1747 BPM1953 distance=46' 20057+1719 BPM1991 distance=48' 20090+1808 HJ 2932AB distance=49' 20090+1808 HJ 2932AC distance=49' 20090+1808 HJ 2932AD distance=49' 20084+1837 HDS2870 distance=49' 20024+1744 BPM1948BC distance=52' 20024+1744 BPM1947AB distance=52' 20092+1822 HU 354 distance=53' 20041+1854 J 3047 distance=54' 20073+1718 BPM2008 distance=55' 20078+1852 TDT2005 distance=55' 20023+1835 ARN 109 distance=56' 20039+1856 DAM 189 distance=56' 20044+1715 COU 325AB distance=56' 20044+1715 GII 28AB,C distance=56' 20017+1759 BPM1934 distance=58' 20058+1709 BPM1996 distance=58' 20017+1748 SLE 677 distance=59' 20062+1906 HJL 271 distance=60' 20017+1746 BPM1935 distance=60' 20035+1715 TDT1941 distance=61' 20065+1908 STJ 26 distance=63' 20081+1714 TDT2011 distance=64' 20041+1704 BUP 202CH distance=65' 20032+1712 BPM1960 distance=66' 20041+1704 STT 592AB distance=67' 20041+1704 STT 592AC distance=67' 20041+1704 BUP 202AD distance=67' 20041+1704 BUP 202AE distance=67' 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 20094+1806 DOO 81 256 9.6
Show 20064+1802 HJ 2931 AB 312 6.6 12
Show 20064+1802 DOO 80 AC 207 14.5 12
Show 20051+1822 BPM1985 34 72.5 17
Show 20070+1803 BPM2003 189 114.3 19
Show 20047+1751 SLE 680 AB 309 18.0 22
Show 20047+1751 FYM 279 AC 203 5.8 22
Show 20055+1743 SLE 682 287 11.1 24
Show 20056+1838 COU 326 256 1.8 31
Show 20044+1742 BPM1971 74 114.0 31
Show 20078+1800 BPM2015 105 112.7 32
Show 20079+1805 TDT2008 108 1.2 32
Show 20039+1746 BPM1969 303 74.6 34
Show 20080+1816 BPM2016 252 82.1 35
Show 20042+1739 SLE 679 232 5.6 37
Show 20076+1741 JEF 3 101 12.2 37
Show 20077+1835 TDT2002 327 0.9 41
Show 20085+1806 BPM2021 43 123.6 41
Show 20046+1729 BPM1978 315 31.2 41
Show 20033+1830 STT 396 208 46.6 42
Show 20033+1736 BPM1962 177 88.6 46
Show 20028+1747 BPM1953 322 42.0 46
Show 20057+1719 BPM1991 76 95.7 48
Show 20090+1808 HJ 2932 AB 165 13.5 49
Show 20090+1808 HJ 2932 AC 217 24.3 49
Show 20090+1808 HJ 2932 AD 322 13.0 49
Show 20084+1837 HDS2870 161 0.1 49
Show 20024+1744 BPM1948 BC 279 114.7 52
Show 20024+1744 BPM1947 AB 2 31.3 52
Show 20092+1822 HU 354 19 0.6 53
Show 20041+1854 J 3047 342 4.4 54
Show 20073+1718 BPM2008 19 91.1 55
Show 20078+1852 TDT2005 147 1.6 55
Show 20023+1835 ARN 109 191 30.7 56
Show 20039+1856 DAM 189 343 7.9 56
Show 20044+1715 COU 325 AB 225 0.8 56
Show 20044+1715 GII 28 AB,C 107 3.8 56
Show 20017+1759 BPM1934 272 84.8 58
Show 20058+1709 BPM1996 153 72.3 58
Show 20017+1748 SLE 677 12 10.6 59
Show 20062+1906 HJL 271 342 18.7 60
Show 20017+1746 BPM1935 28 66.0 60
Show 20035+1715 TDT1941 165 1.1 61
Show 20065+1908 STJ 26 276 1.0 63
Show 20081+1714 TDT2011 110 0.6 64
Show 20041+1704 BUP 202 CH 185 95.6 65
Show 20032+1712 BPM1960 348 93.0 66
Show 20041+1704 STT 592 AB 291 163.2 67
Show 20041+1704 STT 592 AC 335 217.0 67
Show 20041+1704 BUP 202 AD 3 89.1 67
Show 20041+1704 BUP 202 AE 51 175.0 67

 
 
WDS 20094+1806 : COMPONENTS
 
 
  A
B pa=255.5°
sep=9.15"
 
 
20094+1806 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200539.95+180658.4 Mag 10.9
 
 
20094+1806 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200539.33+180656.1 Mag 11.8 PmRA -3.00
PmDE -7.0 Calc delta mag 0.9 Calc coord yes