20453+1715 GWP 2993

 
 
20h 45m 20.72s +17° 15' 16.7" P.A. 104.00 sep 11.1 mag 11.40,16.80
 
 
Coord 2000 20453+1715 Discov num GWP2993 Comp Coord arcsec 2000 20 45 20.72 +17 15 16.7
Date first 1990 Date last 2018 Obs 7
Pa first 103 Pa last 104.4 P.A. Now (θ) 104.4°
Sep first 10.2 Sep last 11.05 Sep. Now (ρ) 11.05"
Mag pri 11.40 Mag sec 16.80 delta mag (ΔM) 5.4 Spectral class
Pri motion ra +064 Sec motion ra +066
Pri motion dec -024 Sec motion dec -024
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1811277254499534976
 
 
WDS 20453+1715 GWP 2993 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part I (2012): Measures of 1725 pairs. Equatorial zone
GWP (RA 00h00m to 11h59m, DEC +20 to -20 deg)
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part II (2016): Measures of 1657 pairs. Equatorial zone
GWP (RA 12h00m to 23h59m, DEC +20 to -20 deg)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20453+1715 GWP2993 1990 1 103 10.2 11.40 16.80 V R 204520.72+171516.7
20453+1715 GWP2993 2018 2 104 11.1 11.40 16.80 V R 204520.72+171516.7

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WDS 20453+1715 GWP 2993 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20453+1715 GWP 2993 : MEASURES
 
 
No records found.

 
 
WDS 20453+1715 : VIRTUAL EYEPIECE
 
 

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Radius:
Components only
 
 
WDS 20453+1715 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.