12390+3354 SLW 749

 
 
12h 39m 02.37s +33 53' 57.0" P.A. 292 sep 13.3 mag 16.33,17.18 Sp M1.6+M2.3
 
 
Coord 2000
12390+3354
Discov num
SLW 749
Comp
Coord arcsec 2000
12 39 02.37 +33 53 57.0
Date first
2000
Date last
2010
Obs
4
Pa first
291
Pa last
292
P.A. Now (θ)
292°
Sep first
13.3
Sep last
13.3
Sep. Now (ρ)
13.3"
Mag pri
16.33
Mag sec
17.18
delta mag (ΔM)
0.85
Spectral class
M1.6+M2.3 (red/red)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
+043
Sec motion dec
+041
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Canes Venatici
last precise pa
292.1
last precise sep
13.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12390+3354 SLW 749 2004 1 292 13.3 16.33 17.18 M1.6 M2.3 V R 123902.37+335357.0
12390+3354 SLW 749 2010 3 292 13.0 16.33 17.18 M1.6+M2.3 V R 123902.37+335357.0

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