21425+1233 JNN 134

 
 
21h 42m 29.33s +12 33' 17.5" P.A. 9.00 sep 4.8 mag 14.80,16.20 Sp M1+M3
 
 
Coord 2000
21425+1233
Discov num
JNN 134
Comp
Coord arcsec 2000
21 42 29.33 +12 33 17.5
Date first
1998
Date last
2015
Obs
7
Pa first
10
Pa last
9
P.A. Now (θ)
Sep first
4.8
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
14.80
Mag sec
16.20
delta mag (ΔM)
1.4
Spectral class
M1+M3 (red/red)
Pri motion ra
+074
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.4
Precise sep
4.808
Constellation
Hydra
SAO
107337
Gaia DR2
1766816951344072576
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21425+1233 JNN 134 2007 2 9 4.8 14.80 16.20 M1 M3 214229.33+123317.5
21425+1233 JNN 134 2011 3 9 4.8 14.80 16.20 M1 M3 V 214229.33+123317.5
21425+1233 JNN 134 2015 6 10 4.8 14.80 16.20 M1+M3 V 214229.33+123317.5

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