00491+5749 STF 60 AE

 
 
00h 49m 06.29s +57 48' 54.7" P.A. 126.00 sep 75.6 mag 3.52,10.15 Sp G0V dist. 5.95 pc (19.41 l.y.)
 
 
Coord 2000 00491+5749 Discov num STF  60 Comp AE Coord arcsec 2000 00 49 06.29 +57 48 54.7
Date first 1856 Date last 2015 Obs 24
Pa first 118 Pa last 126 P.A. Now (θ) 126°
Sep first 276.2 Sep last 75.57 Sep. Now (ρ) 75.57"
Mag pri 3.52 Mag sec 10.15 delta mag (ΔM) 6.63 Spectral class G0V (yellow)
Pri motion ra +114 Sec motion ra -000
Pri motion dec -057 Sec motion dec -000
Notes N L P (See Notes, Linear solution, 100-year proper motion)
rPM=1
This double is not physical.
 
 
00491+5749 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Achird 21732 00 49 06 +57 48 55 STF 60 AB 2022 1086 327 13.4 3.52 7.36 3.84 Y
Show 21732 00 49 06 +57 48 55 STF 60 AC 2000 4 260 225.0 3.52 11.40 7.88
Show 21732 00 49 06 +57 48 55 STF 60 AD 2011 7 354 189.4 3.52 12.80 9.28
Show 21732 00 49 06 +57 48 55 STF 60 AE 2015 24 126 75.6 3.52 10.15 6.63 <===
Show 21732 00 49 06 +57 48 55 STF 60 AF 2000 3 276 378.3 3.52 11.53 8.01
Show 21732 00 49 06 +57 48 55 STF 60 AG 2012 19 259 419.7 3.52 9.53 6.01
Show 21732 00 49 06 +57 48 55 STF 60 AH 2012 4 355 701.1 3.52 8.41 4.89
Show 21732 00 49 06 +57 48 55 SMR 2 AI 2012 7 73 90.3 3.52 11.60 8.08
Show 21732 00 49 06 +57 48 55 SMR 2 AJ 2012 5 262 237.1 3.52 12.30 8.78
Show 00 49 05 +57 49 04 STF 60 BC 2000 4 257 218.7 7.36 11.40 4.04
Show 00 49 05 +57 49 04 STF 60 BD 2000 1 1 172.2 7.36 12.80 5.44
Show 00 49 05 +57 49 04 STF 60 BE 2020 4 126 105.5 7.36 10.15 2.79
Show 00 49 05 +57 49 04 STF 60 BF 2000 2 275 369.1 7.36 11.53 4.17
Show 00 49 05 +57 49 04 STF 60 BG 2000 2 254 404.0 7.36 9.53 2.17
Show 00 49 05 +57 49 04 STF 60 BH 2020 5 355 688.4 7.36 8.41 1.05
Show 00 48 19 +57 49 34 STF 60 FG 2015 10 188 142.2 11.53 9.53 2.00
Decuple system
10 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Achird Constellation Cassiopeia SAO 21732 HIP 3821
Tycho2 3663-02669-1 HD 4614 HR 219 GC 962
ADS 671 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 Bayer greek η Cas
Other names MARFAK
Meaning first applied to ? Cassiopeiae in the Skalnate Pleso Atlas of the Heavens published in 1950, but is not known prior to that.