20472+4225 STT 414 AB (HD 198195)

 
 
20h 47m 09.92s +42° 24' 35.4" P.A. 95.00 sep 9.9 mag 7.43,8.93 Sp B7V dist. 353.36 pc (1152.66 l.y.)
 
 
Coord 2000 20472+4225 Discov num STT 414 Comp AB Coord arcsec 2000 20 47 09.92 +42 24 35.4
Date first 1847 Date last 2018 Obs 48
Pa first 94 Pa last 95.2 P.A. Now (θ) 95.2°
Sep first 9.3 Sep last 9.881 Sep. Now (ρ) 9.881"
Mag pri 7.43 Mag sec 8.93 delta mag (ΔM) 1.5 Spectral class B7V (blue-white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -001 Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
20472+4225 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 198195 50055 20 47 10 +42 24 35 STT 414 AB 2018 48 95 9.9 7.43 8.93 1.50 <===
Show 50055 20 47 10 +42 24 35 BOT 4 AC 2018 14 16 104.9 7.43 9.94 2.51
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198195 Constellation Cygnus SAO 50055 HIP 102570
Tycho2 3174-00786-1 Gaia DR2 2066664771658133120 HD 198195 GC 28987
BD BD+41 3884 Distance 353.36 Distance ly 1152.66
 
 
WDS 20472+4225 STT 414 AB (HD 198195) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bot1958 Po - Boettger, G. 1958AN....284..177B
Bot1958 AN 284, 177, 1958
Bot1962 Po - Boettger, G. .
Bot1962 Potsdam Obs. 30, Pt.4, 1962
Bot1965 Po j Boettger, G. 1965AN....288..203B
Bot1965 AN 288, 203, 1965
Bot1967 Po j Boettger, G. 1967AN....290...71B
Bot1967 AN 290, 71, 1967
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A 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
20472+4225 STT 414 AB 2002 40 94 9.9 7.43 8.93 B7V D 204709.92+422435.4
20472+4225 STT 414 AB 2012 43 94 9.9 7.43 8.93 B7V D 204709.92+422435.4
20472+4225 STT 414 AB 2018 45 95 9.9 7.43 8.93 B7V 204709.92+422435.4

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

 
 
WDS 20472+4225 STT 414 AB (HD 198195) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20472+4225 STT 414 AB (HD 198195) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 12/07/29 northisup easy 10.00   93.00     1 Relfix
 
 
WDS 20472+4225 (HD 198195) : VIRTUAL EYEPIECE
 
 

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 20472+4225 (HD 198195) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.