20157+1520 CHE 248

 
 
20h 15m 44.47s +15 20' 17.0" P.A. 322 sep 32 mag 11.55,13.88
 
 
Coord 2000
20157+1520
Discov num
CHE 248
Comp
Coord arcsec 2000
20 15 44.47 +15 20 17.0
Date first
1910
Date last
2015
Obs
11
Pa first
317
Pa last
322
P.A. Now (θ)
322°
Sep first
30.6
Sep last
32.0
Sep. Now (ρ)
32"
Mag pri
11.55
Mag sec
13.88
delta mag (ΔM)
2.33
Spectral class
Pri motion ra
-010
Sec motion ra
+013
Pri motion dec
-026
Sec motion dec
+005
Notes
rPM=1.386
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
321.8
Precise sep
32.042
Constellation
Delphinus
SAO
105905
Gaia DR2
87531342464
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+1520 CHE 248 2006 3 322 31.9 9.72   D 201544.47+152017.0
20157+1520 CHE 248 2008 4 322 32.0 9.72   D 201544.47+152017.0
20157+1520 CHE 248 2010 6 322 31.9 11.55 13.88 201544.47+152017.0
20157+1520 CHE 248 2015 7 322 32.0 11.55 13.88 201544.47+152017.0

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