00491+5749 STF  60AG

 
 
00H 49M 06.29S +57 48' 54.7" P.A. 258 SEP 426 MAG 3.52,9.53 SP G0V DIST. 5.95 PC (19.41 L.Y.)
 
 
Coord 2000
00491+5749
Discov num
STF  60
Comp
AG
Coord arcsec 2000
00 49 06.29 +57 48 54.7
Date first
1852
Date last
2012
Obs
18
Pa first
231
Pa last
258
P.A. Now (θ)
258°
Sep first
293.7
Sep last
426.0
Sep. Now (ρ)
426"
Mag pri
3.52
Mag sec
9.53
delta mag (ΔM)
6.01
Spectral class
G0V (yellow)
Pri motion ra
+114
Sec motion ra
+001
Pri motion dec
-057
Sec motion dec
-001
Notes
N L P (See Notes, Linear solution, 100-year proper motion)
rPM=0.989
This double is not physical.
 
 
00491+5749 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Achird 21732 00491+5749 STF 60 AB 1779 2016 1069 325 13.3 3.52 7.36 3.84 Y
Show 21732 00491+5749 STF 60 AC 1912 2000 4 260 225.0 3.52 11.40 7.88
Show 21732 00491+5749 STF 60 AD 1912 2011 7 354 189.4 3.52 12.80 9.28
Show 21732 00491+5749 STF 60 AE 1856 2015 24 126 75.6 3.52 10.15 6.63
Show 21732 00491+5749 STF 60 AF 1913 2000 3 276 378.3 3.52 11.53 8.01
Show 21732 00491+5749 STF 60 AG 1852 2012 18 258 426.0 3.52 9.53 6.01 <===
Show 21732 00491+5749 STF 60 AH 1991 2000 3 355 694.7 3.52 8.41 4.89
Show 21732 00491+5749 SMR 2 AI 2000 2012 7 73 90.3 3.52 11.60 8.08
Show 21732 00491+5749 SMR 2 AJ 2000 2012 5 262 237.1 3.52 12.30 8.78
Show 21732 00491+5749 STF 60 BC 1912 2000 4 257 218.7 7.36 11.40 4.04
Show 21732 00491+5749 STF 60 BD 2000 2000 1 1 172.2 7.36 12.80 5.44
Show 21732 00491+5749 STF 60 BE 1913 2000 3 125 106.1 7.36 10.15 2.79
Show 21732 00491+5749 STF 60 BF 1991 2000 2 275 369.1 7.36 11.53 4.17
Show 21732 00491+5749 STF 60 BG 1991 2000 2 254 404.0 7.36 9.53 2.17
Show 21732 00491+5749 STF 60 BH 1928 2000 4 355 684.7 7.36 8.41 1.05
Show 00491+5749 STF 60 FG 1911 2003 6 188 142.4 11.53 9.53 2.00
Decuple system
10 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
21732
HIP
3821
HD
4614
HR
219
GC
962
GL
Gl 34A
BD
BD+57 150
Bayer
Eta Cassiopeiae
Bayer name
Eta Cas
Flamsteed
24 Cassiopeiae
Flamsteed name
24 Cas
Distance
5.95
Distance ly
19.41
last precise pa
258
last precise sep
426