21007+1547 SLW1228

 
 
21h 00m 39.81s +15 47' 11.8" P.A. 262 sep 14.8 mag 18.78,19.88 Sp M3.5+M4.4
 
 
Coord 2000
21007+1547
Discov num
SLW1228
Comp
Coord arcsec 2000
21 00 39.81 +15 47 11.8
Date first
2000
Date last
2010
Obs
3
Pa first
262
Pa last
262
P.A. Now (θ)
262°
Sep first
15.0
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
18.78
Mag sec
19.88
delta mag (ΔM)
1.1
Spectral class
M3.5+M4.4 (red/red)
Pri motion ra
-021
Sec motion ra
-020
Pri motion dec
-034
Sec motion dec
-031
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.079 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262
Precise sep
14.82
Cdsa2 id
SLW 1228
Constellation
Delphinus
Ra deg
21.011058333333335
De deg
15.78661111111111
last precise pa
262
last precise sep
14.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21007+1547 SLW1228 2004 1 262 14.9 18.78 19.88 M3.5 M4.4 V R 210039.81+154711.8
21007+1547 SLW1228 2010 3 262 14.8 18.78 19.88 M3.5+M4.4 V R 210039.81+154711.8

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