20279+2421 POU4509

 
 
20h 27m 58.90s +24 20' 30.6" P.A. 280.00 sep 9.0 mag 11.70,12.70
 
 
Coord 2000
20279+2421
Discov num
POU4509
Comp
Coord arcsec 2000
20 27 58.90 +24 20 30.6
Date first
1892
Date last
2015
Obs
12
Pa first
280
Pa last
280
P.A. Now (θ)
280°
Sep first
8.9
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
11.70
Mag sec
12.70
delta mag (ΔM)
1
Spectral class
Pri motion ra
+040
Sec motion ra
+043
Pri motion dec
+011
Sec motion dec
+013
Notes
R (Red magnitudes)
Visually invisible, K-band or other infrared star rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.7
Precise sep
8.95
Constellation
Vulpecula
Gaia DR2
26501959424
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20279+2421 POU4509 1899 2 281 8.6 11.00 12.30 202757.76+242151.9
20279+2421 POU4509 2008 3 280 9.0 11.00 12.30 202757.76+242151.9
20279+2421 POU4509 2010 6 280 8.8 11.70 12.70 R 202758.90+242030.6
20279+2421 POU4509 2015 7 280 8.9 11.70 12.70 R 202758.90+242030.6

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