21448+4931 ARG 43 BC

 
 
21h 44m 46.06s +49° 31' 13.5" P.A. 91.00 sep 6.9 mag 9.01,14.00 Sp A2 dist. 33333.33 pc (108733.32 l.y.)
 
 
Coord 2000 21448+4931 Discov num ARG  43 Comp BC Coord arcsec 2000 21 44 46.06 +49 31 13.5
Date first 1904 Date last 2018 Obs 10
Pa first 88 Pa last 91.3 P.A. Now (θ) 91.3°
Sep first 6.7 Sep last 6.861 Sep. Now (ρ) 6.861"
Mag pri 9.01 Mag sec 14.00 delta mag (ΔM) 4.99 Spectral class A2 (white)
Pri motion ra +010 Sec motion ra +027
Pri motion dec +003 Sec motion dec -001
Notes
rPM=0.646
Nature of this double is uncertain.
 
 
21448+4931 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 207020 51250 21 44 45 +49 30 46 ARG 43 AB 2018 21 20 29.2 8.63 9.01 0.38
Show 21 44 46 +49 31 14 ARG 43 BC 2018 10 91 6.9 9.01 14.00 4.99 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 107364 Tycho2 3599-02366-1 Gaia DR2 1978951609515342080
BD BD+48 3492 Distance 33333.33 Distance ly 108733.32
 
 
WDS 21448+4931 ARG 43 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Arg1857 - Argelander, F. ...................
Arg1857 Oeltzen Argelander Cat -15 to -31, 1857
Arg1862A - Argelander, F. 1862AN.....59....1A
Arg1862A cited by Auwers (AN 59, 1, 1862)
Arg1864 T - Argelander, F. 1864AN.....62R.253A
Arg1864 AN 62, 253, 1864
Arg1865 T - Argelander, F. 1865AN.....65...61A
Arg1865 AN 65, 61, 1865
Arg1880A - Argelander, F. 1880Obs.....3..569G
Arg1880A cited by Gledhill (Obs. 3, 569, 1880)
Arg1906A T - Argelander, F. (BD) 1906QB821.B972.....
Arg1906A cited in BDS (Burnham Double Star Cat., 1906)
Arg1908A T - Argelander, F. 1908JRASC...2..248E
Arg1908A cited by Espin (JRASC 2, 248, 1908) .
Arg1913A T - Argelander, F. (BD) 1913QB811.B8.......
Arg1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Arg1932A T - Argelander, F. (BD) 1932QB821.A43......
Arg1932A cited in ADS (Aitken Double Star Cat., 1932)
Arg1937A - Argelander, F. 1937AnLei..18....1S
Arg1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21448+4931 ARG 43 BC 2003 3 93 6.8 9.01 14.00 A2 D 214446.06+493113.5
21448+4931 ARG 43 BC 2015 5 91 7.1 9.01 14.00 A2 214446.06+493113.5
21448+4931 ARG 43 BC 2018 6 91 6.9 9.01 14.00 A2 214446.06+493113.5

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WDS 21448+4931 ARG 43 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21448+4931 ARG 43 BC : MEASURES
 
 
No records found.

 
 
WDS 21448+4931 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 21448+4931 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.