You're not logged.

Login

Create your own observing lists in a few clicks and save them.
Register here

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

00203+5412
HDS 44

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00203+5412 HDS 44

00^h 20^m 16.62^s +54° 12' 03.6" P.A. 39.00 sep 12.2 mag 8.95,10.34 Sp B3 dist. 287.36 pc (937.37 l.y.)

Coord 2000	00203+5412		Discov num	HDS 44		Comp			Coord arcsec 2000	00 20 16.62 +54 12 03.6
Date first	1983		Date last	2019		Obs	16
Pa first	30		Pa last	39		P.A. Now (θ)	39°
Sep first	12.2		Sep last	12.2		Sep. Now (ρ)	12.2"
Mag pri	8.95		Mag sec	10.34		delta mag (ΔM)	1.39		Spectral class	B3 (blue-white)
Pri motion ra	+000		Sec motion ra	+058
Pri motion dec	-005		Sec motion dec	-035
Notes

rPM=0.964

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	38.8		Precise sep	12.248		Constellation	Cassiopeia		SAO	21309
HIP	1621		Tycho2	3653-00446-1		Gaia DR2	419732383447751040		HD	232161
BD	BD+53 42		Distance	287.36		Distance ly	937.37

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00203+5412	HDS 44		2006	8	32	12.3	8.95	10.34	B3	D	002016.62+541203.6
00203+5412	HDS 44		2009	9	32	12.3	8.95	10.34	B3	D	002016.62+541203.6
00203+5412	HDS 44		2015	11	38	12.3	8.95	10.34	B3		002016.62+541203.6
00203+5412	HDS 44		2019	16	39	12.2	8.95	10.34	B3		002016.62+541203.6

If you need more information about this double, apply for a data request form to the WDS.