21084+1605 CVR 888

 
 
21h 08m 22.73s +16 05' 44.3" P.A. 204 sep 19.8 mag 15.90,19.10 Sp M2+M4
 
 
Coord 2000
21084+1605
Discov num
CVR 888
Comp
Coord arcsec 2000
21 08 22.73 +16 05 44.3
Date first
1998
Date last
2010
Obs
3
Pa first
204
Pa last
204
P.A. Now (θ)
204°
Sep first
19.6
Sep last
19.8
Sep. Now (ρ)
19.8"
Mag pri
15.90
Mag sec
19.10
delta mag (ΔM)
3.2
Spectral class
M2+M4 (red/red)
Pri motion ra
+045
Sec motion ra
+042
Pri motion dec
+012
Sec motion dec
+019
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.164 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
204.1
Precise sep
19.79
Constellation
Delphinus
last precise pa
204.1
last precise sep
19.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21084+1605 CVR 888 2004 1 204 19.8 15.90 19.10 M2+M4 V R 210822.17+160526.2
21084+1605 CVR 888 2010 3 203 19.7 15.90 19.10 M2+M4 V R 210822.73+160544.3

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