01216+2123 A  1906

 
 
01h 21m 38.68s +21 23' 25.4" P.A. 38 sep 4.8 mag 9.53,12.30 Sp F2
 
 
Coord 2000
01216+2123
Discov num
A  1906
Comp
Coord arcsec 2000
01 21 38.68 +21 23 25.4
Date first
1893
Date last
2017
Obs
13
Pa first
42
Pa last
38
P.A. Now (θ)
38°
Sep first
4.9
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
9.53
Mag sec
12.30
delta mag (ΔM)
2.77
Spectral class
F2 (yellow-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
74656
Tycho2
1203-01912-1
last precise pa
38.2
last precise sep
4.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01216+2123 A 1906 2004 11 38 4.8 9.53 12.30 F2 D 012138.68+212325.4
01216+2123 A 1906 2010 13 46 4.4 9.53 12.30 F2 012138.68+212325.4

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