21417+2100 UC 4531

 
 
21h 41m 41.17s +20 59' 55.7" P.A. 213 sep 69.8 mag 14.63,14.64 Sp M1+M1
 
 
Coord 2000
21417+2100
Discov num
UC 4531
Comp
Coord arcsec 2000
21 41 41.17 +20 59 55.7
Date first
2000
Date last
2016
Obs
5
Pa first
213
Pa last
213
P.A. Now (θ)
213°
Sep first
69.8
Sep last
69.8
Sep. Now (ρ)
69.8"
Mag pri
14.63
Mag sec
14.64
delta mag (ΔM)
0.01
Spectral class
M1+M1 (red/red)
Pri motion ra
+077
Sec motion ra
+077
Pri motion dec
-009
Sec motion dec
-011
Notes
V (Proper motion indicates physical)
rPM=0.026 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
213.4
Precise sep
69.76
Constellation
Pegasus
last precise pa
213.4
last precise sep
69.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21417+2100 UC 4531 2000 2 213 69.8 14.60 14.60 V 214141.17+205955.7
21417+2100 UC 4531 2001 2 214 69.8 14.60 14.60 V 214141.17+205955.7
21417+2100 UC 4531 2004 3 213 69.8 14.63 14.64 M1+M1 V 214141.17+205955.7
21417+2100 UC 4531 2010 4 213 69.8 14.63 14.64 M1+M1 V 214141.17+205955.7
21417+2100 UC 4531 2016 5 213 69.8 14.63 14.64 M1+M1 V 214141.17+205955.7

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