20501+1556 BPM2278

 
 
20h 50m 03.18s +15 55' 40.3" P.A. 296 sep 68.2 mag 15.65,15.97
 
 
Coord 2000
20501+1556
Discov num
BPM2278
Comp
Coord arcsec 2000
20 50 03.18 +15 55 40.3
Date first
1991
Date last
2010
Obs
4
Pa first
296
Pa last
296
P.A. Now (θ)
296°
Sep first
68.2
Sep last
68.2
Sep. Now (ρ)
68.2"
Mag pri
15.65
Mag sec
15.97
delta mag (ΔM)
0.32
Spectral class
Pri motion ra
-008
Sec motion ra
+001
Pri motion dec
-010
Sec motion dec
-010
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.703
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296
Precise sep
68.23
Constellation
Delphinus
Tycho2
1647-02562-1
last precise pa
296
last precise sep
68.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20501+1556 BPM2278 2000 2 296 68.3 15.65 15.97 NV 205003.18+155540.3
20501+1556 BPM2278 2001 3 296 68.1 15.65 15.97 NV 205003.18+155540.3
20501+1556 BPM2278 2010 4 296 68.2 15.65 15.97 NV 205003.18+155540.3

If you need more information about this double, apply for a data request form to the WDS.