00216+4856 HU  505

 
 
00h 21m 37.30s +48 55' 47.6" P.A. 134.00 sep 1.8 mag 9.43,13.70 Sp A0
 
 
Coord 2000
00216+4856
Discov num
HU  505
Comp
Coord arcsec 2000
00 21 37.30 +48 55 47.6
Date first
1902
Date last
2016
Obs
6
Pa first
136
Pa last
134
P.A. Now (θ)
134°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.43
Mag sec
13.70
delta mag (ΔM)
4.27
Spectral class
A0 (white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
134.2
Precise sep
1.806
Constellation
Hydra
SAO
36297
Tycho2
3255-01718-1
Gaia DR2
394149805887933952
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00216+4856 HU 505 1990 5 137 1.8 9.43 13.70 A0 002137.30+485547.6

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