21523+2345 CVR 253

 
 
21h 52m 16.13s +23 44' 30.1" P.A. 98 sep 39.9 mag 17.90,19.00 Sp M5+M5
 
 
Coord 2000
21523+2345
Discov num
CVR 253
Comp
Coord arcsec 2000
21 52 16.13 +23 44 30.1
Date first
1999
Date last
2010
Obs
3
Pa first
98
Pa last
98
P.A. Now (θ)
98°
Sep first
40.0
Sep last
39.9
Sep. Now (ρ)
39.9"
Mag pri
17.90
Mag sec
19.00
delta mag (ΔM)
1.1
Spectral class
M5+M5 (red/red)
Pri motion ra
-009
Sec motion ra
-008
Pri motion dec
-070
Sec motion dec
-070
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.014 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.1
Precise sep
39.93
Cdsa2 id
CVR 253
Constellation
Pegasus
Ra deg
21.871147222222223
De deg
23.741694444444445
last precise pa
98.1
last precise sep
39.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21523+2345 CVR 253 2009 1 98 40.2 17.90 19.00 M5+M5 V R 215216.13+234430.1
21523+2345 CVR 253 2010 3 98 40.0 17.90 19.00 M5+M5 V R 215216.13+234430.1

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