21154+3745 SMA 146

 
 
21h 15m 26.37s +37° 45' 08.7" P.A. 7.00 sep 4.5 mag 12.50,13.00
 
 
Coord 2000 21154+3745 Discov num SMA 146 Comp Coord arcsec 2000 21 15 26.37 +37 45 08.7
Date first 1923 Date last 2015 Obs 4
Pa first 5 Pa last 6.9 P.A. Now (θ) 6.9°
Sep first 4.4 Sep last 4.462 Sep. Now (ρ) 4.462"
Mag pri 12.50 Mag sec 13.00 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -005 Sec motion ra +003
Pri motion dec -020 Sec motion dec +014
Notes
rPM=1.694
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1964772371975177472
 
 
WDS 21154+3745 SMA 146 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sma1931 Po - Smart, W.M., Green, H.E., & Fletcher, A. 1931MNRAS..92...37S
Sma1931 MNRAS 92, 37, 1931
Sma1932 Ma - Smart, W.M. & Green, H.E. 1932MNRAS..92..207S
Sma1932 +Po MNRAS 92, 207, 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21154+3745 SMA 146 1998 2 8 4.5 12.50 13.00 D 211526.37+374508.7
21154+3745 SMA 146 2002 3 7 4.4 12.50 13.00 D 211526.37+374508.7
21154+3745 SMA 146 2015 4 7 4.5 12.50 13.00 211526.37+374508.7

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WDS 21154+3745 SMA 146 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21154+3745 SMA 146 : MEASURES
 
 
No records found.

 
 
WDS 21154+3745 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 21154+3745 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.