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
Cdsa2 id
CVR 888
Constellation
Delphinus
Ra deg
21.139647222222223
De deg
16.09563888888889
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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