02566+3339 SLW 138

 
 
02h 56m 38.06s +33 39' 19.9" P.A. 349 sep 77.1 mag 15.20,18.80 Sp K7.3+M3.5
 
 
Coord 2000
02566+3339
Discov num
SLW 138
Comp
Coord arcsec 2000
02 56 38.06 +33 39 19.9
Date first
1998
Date last
2010
Obs
3
Pa first
349
Pa last
349
P.A. Now (θ)
349°
Sep first
77.2
Sep last
77.1
Sep. Now (ρ)
77.1"
Mag pri
15.20
Mag sec
18.80
delta mag (ΔM)
3.6
Spectral class
K7.3+M3.5 (yellow-orange/red)
Pri motion ra
+023
Sec motion ra
+019
Pri motion dec
-032
Sec motion dec
-032
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.102 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
349.2
Precise sep
77.14
Cdsa2 id
SLW 138
Constellation
Perseus
Ra deg
2.9439055555555558
De deg
33.65552777777778
last precise pa
349.2
last precise sep
77.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02566+3339 SLW 138 2005 1 349 77.2 15.18 18.83 K7.3 M3.5 V R 025638.06+333919.9
02566+3339 SLW 138 2010 3 349 77.3 15.20 18.80 K7.3+M3.5 V R 025638.06+333919.9

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