00405+5632 H 5 18 AD (Schedar)

 
 
00h 40m 30.39s +56° 32' 14.7" P.A. 283.00 sep 71.2 mag 2.35,8.98 Sp K0 dist. 69.98 pc (228.27 l.y.)
 
 
Coord 2000 00405+5632 Discov num H 5  18 Comp AD Coord arcsec 2000 00 40 30.39 +56 32 14.7
Date first 1781 Date last 2021 Obs 44
Pa first 275 Pa last 282.8 P.A. Now (θ) 282.8°
Sep first 56.2 Sep last 71.19 Sep. Now (ρ) 71.19"
Mag pri 2.35 Mag sec 8.98 delta mag (ΔM) 6.63 Spectral class K0 (yellow-orange)
Pri motion ra +051 Sec motion ra -002
Pri motion dec -032 Sec motion dec -003
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.003
This double is not physical.
 
 
00405+5632 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21609 00 40 30 +56 32 15 BU 1349 AB 2014 6 280 24.8 2.35 14.00 11.65
Show 21609 00 40 30 +56 32 15 BU 1349 AC 2014 9 104 30.6 2.35 13.00 10.65
Show Schedar 21609 00 40 30 +56 32 15 H 5 18 AD 2021 44 283 71.2 2.35 8.98 6.63 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Schedar Constellation Cassiopeia SAO 21609 HIP 3179
Tycho2 3663-02668-1 Gaia DR2 418551920279473536 HD 3712 HR 168
GC 792 ADS 561 BD BD+55 139 Bayer Alpha Cassiopeiae
Bayer name Alp Cas Flamsteed 18 Cassiopeiae Flamsteed name 18 Cas FK5 21
Distance 69.98 Distance ly 228.27 Bayer greek α Cas
Other names Shedar, Shadar, Schedir, Shedir
Meaning chest
 
 
WDS 00405+5632 H 5 18 AD (Schedar) : NOTES
 
 
discov_num notes refcode
BU 1349 alp Cas = 18 Cas = Schedar
Mk III Limb-darkened diameter 5.4 +/- 0.4 mas. MkT1989
Mk III Limb-darkened diameter 5.64 mas. MkT1991
Mk III Limb-darkened diameter 5.72 +/- 0.08 mas
Mk III Limb-darkened diameter 5.608 +/- 0.056 mas. MkT2003
NPOI Limb-darkened diameter 5.60 +/- 0.06 mas, NOI1999
R = 42.1 +/- 1.7 \rsun.
NPOI Limb-darkened diameter 5.65 +/- 0.08 mas. NOI2001b
H 5 18 AD: H V 18. Also HJ 1993.
AD: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
AD: Rectilinear solution by Hurowitz et al. (2013). USN2013a
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
MkT1989 not j Hutter, D.J., Johnston, K.J., Mozurkewich, D., Simon, R.S., Colavita, M.M., Pan, 1989ApJ...340.1103H
MkT1989 X.P., Shao, M., Hines, B.E., Staelin, D.H., Hershey, J.L., Hughes, J.A. & Kaplan, .
MkT1989 G.H. .
MkT1989 ApJ 340, 1103, 1989 .
MkT1991 not j Mozurkewich, D., Johnston, K.J., Simon, R.S., Bowers, P.F., Gaume, R., Hutter, 1991AJ....101.2207M
MkT1991 D.J., Colavita, M.M., Shao, M. & Pan, X.P. .
MkT1991 AJ 101, 2207, 1991 .
MkT2003 Km - Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., 2003AJ....126.2502M
MkT2003 +not Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MkT2003 AJ 126, 2502, 2003
NOI1999 not j Nordgren, T.E., Germain, M.E., Benson, J.A., Mozurkewich, D., Sudol, J.J., Elias, 1999AJ....118.3032N
NOI1999 II, N.M., Hajian, A.R., White, N.M., Hutter, D.J., Johnston, K.J., Gauss, F.S., .
NOI1999 Armstrong, J.T., Pauls, T.A. & Rickard, L.J. .
NOI1999 AJ 118, 3032, 1999 .
NOI2001b not j Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. 2001AJ....122.2707N
NOI2001b AJ 122, 2707, 2001 .
USN2013a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2013IAUDS.181....1H
USN2013a Inf. Circ. 181, 1, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00405+5632 H 5 18 AD 2007 36 282 70.2 2.35 8.98 N D 004030.39+563214.7
00405+5632 H 5 18 AD 2009 38 282 70.4 2.35 8.98 N D 004030.39+563214.7
00405+5632 H 5 18 AD 2010 39 281 71.2 2.35 8.98 N D 004030.39+563214.7
00405+5632 H 5 18 AD 2011 41 282 71.3 2.35 8.98 K0 N D 004030.39+563214.7
00405+5632 H 5 18 AD 2012 39 282 70.5 2.35 8.98 K0 NLD 004030.39+563214.7
00405+5632 H 5 18 AD 2015 40 283 70.3 2.35 8.98 K0 NL U 004030.39+563214.7
00405+5632 H 5 18 AD 2017 41 282 70.6 2.35 8.98 K0 NL U 004030.39+563214.7
00405+5632 H 5 18 AD 2018 43 283 70.4 2.35 8.98 K0 NL U 004030.39+563214.7
00405+5632 H 5 18 AD 2021 44 283 71.2 2.35 8.98 K0 NL U 004030.39+563214.7

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WDS 00405+5632 H 5 18 AD (Schedar) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/09/23 Diego Vercelli mean difficulty separated 280 interesting The other components were not visible

 
 
WDS 00405+5632 H 5 18 AD (Schedar) : MEASURES
 
 
No records found.

 
 
WDS 00405+5632 (Schedar) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
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WDS 00405+5632 (Schedar) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.