Coord 2000 | 00491+5749 |
Discov num | SMR 2 |
Comp | AJ |
Coord arcsec 2000 | 00 49 06.29 +57 48 54.7 |
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Date first | 2000 |
Date last | 2012 |
Obs | 5 |
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Pa first | 261 |
Pa last | 262 |
P.A. Now (θ) | 262° |
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Sep first | 247.0 |
Sep last | 237.1 |
Sep. Now (ρ) | 237.1" |
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Mag pri | 3.52 |
Mag sec | 12.30 |
delta mag (ΔM) | 8.78 |
Spectral class | G0V (yellow) |
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Pri motion ra | +114 |
Sec motion ra | |||||||||
Pri motion dec | -057 |
Sec motion dec | |||||||||
Notes | N
(See Notes) |
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 | 2019 | 1082 | 326 | 13.4 | 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 | 19 | 259 | 419.7 | 3.52 | 9.53 | 6.01 | |||
Show | 21732 | 00491+5749 | STF 60 | AH | 1991 | 2012 | 4 | 355 | 701.1 | 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 | 2015 | 10 | 188 | 142.2 | 11.53 | 9.53 | 2.00 |
Precise pa | 261.6 |
Precise sep | 237.14 |
Constellation | Cassiopeia |
SAO | 21732 |
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HIP | 3821 |
HD | 4614 |
HR | 219 |
GC | 962 |
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GL | Gl 34A |
BD | BD+57 150 |
Bayer | Eta Cassiopeiae |
Bayer name | Eta Cas |
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Flamsteed | 24 Cassiopeiae |
Flamsteed name | 24 Cas |
Distance | 5.95 |
Distance ly | 19.41 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
00491+5749 | SMR 2 | AJ | 2008 | 1 | 272 | 234.7 | 3.50 | 12.30 | 004905.10+574859.6 | ||
00491+5749 | SMR 2 | AJ | 2009 | 2 | 262 | 233.8 | 3.50 | 12.30 | N | 004905.10+574859.6 | |
00491+5749 | SMR 2 | AJ | 2012 | 3 | 262 | 237.1 | 3.52 | 12.30 | G0V | N | 004905.14+574859.4 |