00521+2520 TDS1644

 
 
00h 52m 04.06s +25 20' 15.1" sep 2.3 mag 12.20,12.51
 
 
Coord 2000
00521+2520
Discov num
TDS1644
Comp
Coord arcsec 2000
00 52 04.06 +25 20 15.1
Date first
1991
Date last
2009
Obs
3
Pa first
353
Pa last
0
P.A. Now (θ)
Sep first
2.4
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
12.20
Mag sec
12.51
delta mag (ΔM)
0.31
Spectral class
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-008
Sec motion dec
-008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
0.3
Precise sep
2.29
Constellation
Pisces
Tycho2
1742-00278-1
last precise pa
0.3
last precise sep
2.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00521+2520 TDS1644 1991 1 353 2.4 12.20 12.51 005204.06+252015.1
00521+2520 TDS1644 2004 2 2 2.3 12.20 12.51 005204.06+252015.1
00521+2520 TDS1644 2009 3 0 2.3 12.20 12.51 005204.06+252015.1

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