09008+4718 CVR1184 (Alfirk)

 
 
09h 00m 46.48s +47 18' 15.3" P.A. 241 sep 4.7 mag 17.70,17.90 Sp M3+M4 dist. 210.08 pc (685.28 l.y.)
 
 
Coord 2000
09008+4718
Discov num
CVR1184
Comp
Coord arcsec 2000
09 00 46.48 +47 18 15.3
Date first
1998
Date last
2015
Obs
3
Pa first
241
Pa last
241
P.A. Now (θ)
241°
Sep first
4.7
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
17.70
Mag sec
17.90
delta mag (ΔM)
0.2
Spectral class
M3+M4 (red/red)
Pri motion ra
-006
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name
Alfirk
Meaning
Raw
Other names
ALPHIRK
Spectr
B1IV
Constellation
Cepheus
SAO
10057
HIP
106032
HD
205021
HR
8238
GC
30118
BD
BD+69 1173
Bayer
Beta Cephei
Bayer name
Bet Cep
Flamsteed
8 Cephei
Flamsteed name
8 Cep
Distance
210.08
Distance ly
685.28
last precise pa
241.2
last precise sep
4.653
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09008+4718 CVR1184 2001 2 241 4.7 17.70 17.90 M3+M4 R 090046.48+471815.3
09008+4718 CVR1184 2015 3 241 4.7 17.70 17.90 M3+M4 R 090046.48+471815.3

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