20157+1537 CHE 247

 
 
20h 15m 41.22s +15 37' 18.0" sep 4.6 mag 10.33,11.50
 
 
Coord 2000
20157+1537
Discov num
CHE 247
Comp
Coord arcsec 2000
20 15 41.22 +15 37 18.0
Date first
1910
Date last
2015
Obs
7
Pa first
318
Pa last
0
P.A. Now (θ)
Sep first
3.0
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
10.33
Mag sec
11.50
delta mag (ΔM)
1.17
Spectral class
Pri motion ra
-015
Sec motion ra
-014
Pri motion dec
-013
Sec motion dec
+022
Notes
rPM=1.343
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
359.8
Precise sep
4.555
Constellation
Delphinus
Gaia DR2
64205800704
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+1537 CHE 247 1998 3 356 4.2 10.33 11.50 D 201541.22+153718.0
20157+1537 CHE 247 2008 4 359 4.3 10.33 11.50 D 201541.22+153718.0
20157+1537 CHE 247 2010 6 358 4.4 10.33 11.50 201541.22+153718.0
20157+1537 CHE 247 2015 7 0 4.6 10.33 11.50 201541.22+153718.0

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