00392+4921 STT  16

 
 
00h 39m 09.89s +49 21' 16.5" P.A. 22 sep 12.3 mag 5.62,10.48 Sp K4III dist. 641.03 pc (2091.04 l.y.)
 
 
Coord 2000
00392+4921
Discov num
STT  16
Comp
Coord arcsec 2000
00 39 09.89 +49 21 16.5
Date first
1845
Date last
2015
Obs
20
Pa first
25
Pa last
22
P.A. Now (θ)
22°
Sep first
16.9
Sep last
12.3
Sep. Now (ρ)
12.3"
Mag pri
5.62
Mag sec
10.48
delta mag (ΔM)
4.86
Spectral class
K4III (yellow-orange)
Pri motion ra
+009
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
36550
HIP
3083
Tycho2
3257-02190-1
HD
3574
HR
164
BD
BD+48 192
Distance
641.03
Distance ly
2091.04
last precise pa
22.3
last precise sep
12.307
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00392+4921 STT 16 1998 18 22 12.8 5.70 10.20 K4III D 003909.89+492116.5
00392+4921 STT 16 2014 19 22 12.2 5.62 10.48 K4III 003909.89+492116.5
00392+4921 STT 16 2015 20 22 12.3 5.62 10.48 K4III 003909.89+492116.5

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