02155+6454 TDS2178

 
 
02h 15m 27.40s +64 53' 39.9" P.A. 228 sep 2.6 mag 11.98,12.48
 
 
Coord 2000
02155+6454
Discov num
TDS2178
Comp
Coord arcsec 2000
02 15 27.40 +64 53 39.9
Date first
1991
Date last
2003
Obs
2
Pa first
222
Pa last
228
P.A. Now (θ)
228°
Sep first
2.5
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
11.98
Mag sec
12.48
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+006
Sec motion ra
-019
Pri motion dec
+016
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
Tycho2
4041-00331-1
last precise pa
227.7
last precise sep
2.639
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02155+6454 TDS2178 1991 1 222 2.5 11.98 12.48 021527.40+645339.9
02155+6454 TDS2178 2003 2 228 2.6 11.98 12.48 021527.40+645339.9

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