00049+5832 STF 3057 (HD 225257)

 
 
00h 04m 54.98s +58° 31' 55.8" P.A. 298.00 sep 3.9 mag 6.70,9.30 Sp B3V dist. 840.34 pc (2741.19 l.y.)
 
 
Coord 2000 00049+5832 Discov num STF3057 Comp Coord arcsec 2000 00 04 54.98 +58 31 55.8
Date first 1828 Date last 2015 Obs 65
Pa first 302 Pa last 298.4 P.A. Now (θ) 298.4°
Sep first 3.5 Sep last 3.858 Sep. Now (ρ) 3.858"
Mag pri 6.70 Mag sec 9.30 delta mag (ΔM) 2.6 Spectral class B3V (blue-white)
Pri motion ra +013 Sec motion ra +009
Pri motion dec -006 Sec motion dec -003
Notes N (See Notes)
rPM=0.349
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 225257 Constellation Cassiopeia SAO 21062 HIP 398
Tycho2 3664-00929-1 Gaia DR2 423079709165440000 HD 225257 GC 45
BD BD+57 2855 Distance 840.34 Distance ly 2741.19
 
 
WDS 00049+5832 STF 3057 (HD 225257) : NOTES
 
 
discov_num notes refcode
STF3057 Called a two-spectrum SB in the Bright Star Catalog Supplement.
H 1 39. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00049+5832 STF3057 2006 59 298 3.9 6.70 9.30 B3V N D 000454.98+583155.8
00049+5832 STF3057 2009 61 298 3.8 6.70 9.30 B3V N D 000454.98+583155.8
00049+5832 STF3057 2012 62 297 3.8 6.70 9.30 B3V N 000454.98+583155.8
00049+5832 STF3057 2015 65 298 3.9 6.70 9.30 B3V N 000454.98+583155.8

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WDS 00049+5832 STF 3057 (HD 225257) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 21/09/12 oldscope difficut separated   interesting The secondary is tough if the transparency isn't good. Averted vision helps, but it was faintly visible in the 13mm. 6 mm was better. Very bright light pollution hurts this one.

 
 
WDS 00049+5832 STF 3057 (HD 225257) : MEASURES
 
 
No records found.

 
 
WDS 00049+5832 (HD 225257) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
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WDS 00049+5832 (HD 225257) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.