12069+3921 SLW 684

 
 
12h 06m 52.74s +39 20' 57.3" P.A. 20 sep 8.2 mag 15.25,15.36 Sp M0.2+M0.4
 
 
Coord 2000
12069+3921
Discov num
SLW 684
Comp
Coord arcsec 2000
12 06 52.74 +39 20 57.3
Date first
1998
Date last
2015
Obs
5
Pa first
19
Pa last
20
P.A. Now (θ)
20°
Sep first
8.3
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
15.25
Mag sec
15.36
delta mag (ΔM)
0.11
Spectral class
M0.2+M0.4 (red/red)
Pri motion ra
-071
Sec motion ra
-064
Pri motion dec
+037
Sec motion dec
+054
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
A0
SAO
68233
Tycho2
3138-01192-1
HD
182442
Dm number
+39 3748
last precise pa
19.9
last precise sep
8.242
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12069+3921 SLW 684 2004 1 20 8.4 15.25 15.36 M0.2 M0.4 V R 120652.74+392057.3
12069+3921 SLW 684 2015 4 20 8.2 15.25 15.36 M0.2+M0.4 V R 120652.74+392057.3

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