08404+1940 STF 1254 AD

 
 
08h 40m 22.11s +19° 40' 11.9" P.A. 44.00 sep 83.5 mag 6.52,9.20 Sp G9III dist. 218.34 pc (712.23 l.y.)
 
 
Coord 2000 08404+1940 Discov num STF1254 Comp AD Coord arcsec 2000 08 40 22.11 +19 40 11.9
Date first 1863 Date last 2017 Obs 38
Pa first 44 Pa last 44.3 P.A. Now (θ) 44.3°
Sep first 82.5 Sep last 83.5 Sep. Now (ρ) 83.5"
Mag pri 6.52 Mag sec 9.20 delta mag (ΔM) 2.68 Spectral class G9III (yellow)
Pri motion ra -036 Sec motion ra -038
Pri motion dec -013 Sec motion dec -012
Notes N (See Notes)
rPM=0.056 (< 0.3, Physical double)
This double is physical.
 
 
08404+1940 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 73710 98021 08 40 22 +19 40 12 STF 1254 AB 2017 46 55 20.8 6.44 10.37 3.93
Show 98021 08 40 22 +19 40 12 STF 1254 AC 2018 44 343 62.5 6.52 7.61 1.09
Show 98021 08 40 22 +19 40 12 STF 1254 AD 2017 38 44 83.5 6.52 9.20 2.68 <===
Show 98021 08 40 22 +19 40 12 SMR 30 AE 2018 7 156 15.9 6.52 12.50 5.98
Show 08 40 23 +19 40 24 BOV 42 Ba,Bb 1997 1 25 1.8 9.50 15.10 5.60
Show 98020 08 40 21 +19 41 12 S 572 CD 2016 35 91 72.6 7.61 9.20 1.59
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cancer SAO 98021 HIP 42549 Tycho2 1395-02963-1
Gaia DR2 661297080936069632 HD 73710 HR 3428 ADS 6921
BD BD+20 2166 Distance 218.34 Distance ly 712.23
 
 
WDS 08404+1940 STF 1254 AD : NOTES
 
 
discov_num notes refcode
STF1254 Algol-type eclipsing binary, per 7.2209 d. Zas2011
Physical with BD+20@2158. A is a spectroscopic binary.
BOV 42 Ba. Praesepe KW 287 = NGC 2632 BDA 287
SB1, P = 7635 d Bov2001
 
 
REFERENCES
 
 
refcode metd author reference
Bov2001 A - Bouvier, J., Duchene, G., Mermilliod, J.-C., & Simon, T. 2001A&A...375..989B
Bov2001 A&A 375, 989, 2001
Zas2011 - Zasche, P. ...................
Zas2011 private communication, 2011
 
 
DISCOVERER
 
 
idgroup discov author
1 S South, J.
16 SMR Schlimmer, J.
71 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
08404+1940 STF1254 AD 2002 22 44 82.6 6.52 9.20 N D 084022.11+194011.9
08404+1940 STF1254 AD 2009 24 43 83.0 6.52 9.20 N D 084022.11+194011.9
08404+1940 STF1254 AD 2012 25 44 82.5 6.52 9.20 N D 084022.11+194011.9
08404+1940 STF1254 AD 2014 30 45 82.5 6.52 9.20 G9III N 084022.11+194011.9
08404+1940 STF1254 AD 2015 33 44 82.6 6.52 9.20 G9III N 084022.11+194011.9
08404+1940 STF1254 AD 2016 35 44 82.7 6.52 9.20 G9III N 084022.11+194011.9
08404+1940 STF1254 AD 2017 37 44 83.5 6.52 9.20 G9III N 084022.11+194011.9

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WDS 08404+1940 STF 1254 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08404+1940 STF 1254 AD : MEASURES
 
 
No records found.

 
 
WDS 08404+1940 : VIRTUAL EYEPIECE
 
 

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WDS 08404+1940 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.