21442+2631 BUP 230 AD

 
 
21h 44m 09.31s +26° 31' 09.4" P.A. 289.00 sep 439.6 mag 8.47,10.21 Sp G2V dist. 62.38 pc (203.48 l.y.)
 
 
Coord 2000 21442+2631 Discov num BUP 230 Comp AD Coord arcsec 2000 21 44 09.31 +26 31 09.4
Date first 1875 Date last 2014 Obs 16
Pa first 291 Pa last 288.5 P.A. Now (θ) 288.5°
Sep first 414.3 Sep last 439.64 Sep. Now (ρ) 439.64"
Mag pri 8.47 Mag sec 10.21 delta mag (ΔM) 1.74 Spectral class G2V (yellow)
Pri motion ra +205 Sec motion ra +009
Pri motion dec +054 Sec motion dec -005
Notes W
rPM=0.966
This double is not physical.
 
 
21442+2631 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 89938 21 44 09 +26 31 09 BUP 230 AB 2015 6 291 45.7 8.47 13.53 5.06
Show HD 206828 89938 21 44 09 +26 31 09 BUP 230 AC 2008 8 260 571.7 8.47 9.84 1.37
Show 89938 21 44 09 +26 31 09 BUP 230 AD 2014 16 289 439.6 8.47 10.21 1.74 <===
Show 89938 21 44 09 +26 31 09 BKO 632 AE 2015 4 115 16.8 8.47 13.59 5.12
Show 21 43 28 +26 29 35 BUP 230 CD 2015 17 32 277.1 9.84 10.21 0.37
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus SAO 89938 HIP 107313 Tycho2 2197-01717-1
Gaia DR2 1799690738405087360 HD 206828 BD BD+25 4607 Distance 62.38
Distance ly 203.48
 
 
WDS 21442+2631 BUP 230 AD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bko2002 C - Ladanyi, T. & Berko, E. ...................
Bko2002 Webb Soc., Double Star Circ. 10, 2002
Bko2003 C u Ladanyi, T., Berko, E. & Vaskuti, G ...................
Bko2003 Webb Soc., Double Star Circ. 11, 2003
Bko2004 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2004 Webb Soc., Double Star Circ. 12, 2004
Bko2005 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2005 Webb Soc., Double Star Circ. 13, 2005
Bko2008 C u Berko, E. & Vaskuti, G. ...................
Bko2008 Webb Soc., Double Star Circ. 16, 2008
Bko2008b C u Berko, E. 2008JDSO....4..144B
Bko2008b JDSO 4, 144, 2008
Bko2009 C u Berko, E. 2009JDSO....5...49B
Bko2009 JDSO 5, 49, 2009
Bko2009b C u Berko, E. 2009JDSO....5..168B
Bko2009b JDSO 5, 168, 2009
Bko2009c C u Berko, E. ...................
Bko2009c Webb Soc., Double Star Circ. 17, 2009
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
Bko2010a C u Berko, E. 2010JDSO....6...21B
Bko2010a JDSO 6, 21, 2010
Bko2010b C u Berko, E. ...................
Bko2010b Webb Soc., Double Star Circ. 18, 2010
Bko2011a C u Berko, E. 2011JDSO....7....2B
Bko2011a JDSO 7, 2, 2011
Bko2011b C u Berko, E. ...................
Bko2011b Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012 C u Berko, E. ...................
Bko2012 Webb Soc., Double Star Circ. 20, 2012
BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) 1913QB811.B8.......
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21442+2631 BUP 230 AD 2003 8 289 437.5 8.45 10.21 G2V D 214409.18+263109.0
21442+2631 BUP 230 AD 2008 9 289 439.8 8.47 10.21 G2V D 214409.31+263109.4
21442+2631 BUP 230 AD 2014 16 289 439.6 8.47 10.21 G2V W 214409.31+263109.4

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

 
 
WDS 21442+2631 BUP 230 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21442+2631 BUP 230 AD : MEASURES
 
 
No records found.

 
 
WDS 21442+2631 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 21442+2631 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.