01518+1817 COU2557

 
 
01h 51m 47.20s +18 17' 25.0" P.A. 260 sep 1.2 mag 7.20,11.50 Sp K2III dist. 105.04 pc (342.64 l.y.)
 
 
Coord 2000
01518+1817
Discov num
COU2557
Comp
Coord arcsec 2000
01 51 47.20 +18 17 25.0
Date first
1992
Date last
2014
Obs
5
Pa first
255
Pa last
260
P.A. Now (θ)
260°
Sep first
0.7
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
7.20
Mag sec
11.50
delta mag (ΔM)
4.3
Spectral class
K2III (yellow-orange)
Pri motion ra
-036
Sec motion ra
Pri motion dec
-120
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.1
Precise sep
1.181
Constellation
Aries
SAO
92666
HIP
8689
Tycho2
1209-01836-1
HD
11326
BD
BD+17 276
Distance
105.04
Distance ly
342.64
last precise pa
260.1
last precise sep
1.181
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01518+1817 COU2557 1999 3 256 1.2 7.20 11.50 K2III 015147.20+181725.0
01518+1817 COU2557 2014 3 260 1.2 7.20 11.50 K2III 015147.20+181725.0

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