03306+4947 HLD   8

 
 
03h 30m 34.67s +49 47' 21.2" P.A. 176 sep 2.4 mag 9.42,9.79 Sp F0
 
 
Coord 2000
03306+4947
Discov num
HLD   8
Comp
Coord arcsec 2000
03 30 34.67 +49 47 21.2
Date first
1881
Date last
2015
Obs
18
Pa first
177
Pa last
176
P.A. Now (θ)
176°
Sep first
1.9
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
9.42
Mag sec
9.79
delta mag (ΔM)
0.37
Spectral class
F0 (yellow-white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176.3
Precise sep
2.365
Constellation
Perseus
SAO
38889
Tycho2
3320-01240-1
Gaia DR2
441554248988231168
HD
21539
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03306+4947 HLD 8 1998 16 177 2.3 9.42 9.79 F0 033034.67+494721.2
03306+4947 HLD 8 2008 17 177 2.3 9.42 9.79 F0 033034.67+494721.2
03306+4947 HLD 8 2009 18 177 2.3 9.42 9.79 F0 033034.67+494721.2
03306+4947 HLD 8 2015 18 176 2.4 9.42 9.79 F0 033034.67+494721.2

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