You're not logged.

Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

00444+3337
STF 55

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.

00444+3337 STF 55

00^h 44^m 22.95^s +33° 37' 05.6" P.A. 332.00 sep 2.2 mag 8.33,8.89 Sp A5IV dist. 221.24 pc (721.68 l.y.)

Coord 2000	00444+3337		Discov num	STF 55		Comp			Coord arcsec 2000	00 44 22.95 +33 37 05.6
Date first	1827		Date last	2020		Obs	62
Pa first	325		Pa last	332		P.A. Now (θ)	332°
Sep first	1.5		Sep last	2.2		Sep. Now (ρ)	2.2"
Mag pri	8.33		Mag sec	8.89		delta mag (ΔM)	0.56		Spectral class	A5IV (white)
Pri motion ra	+017		Sec motion ra	+017
Pri motion dec	-006		Sec motion dec	-006
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	332.4		Precise sep	2.206		Constellation	Hydra		SAO	54116
HIP	3473		Tycho2	2279-00641-1		Gaia DR2	362063509676697344		HD	4163
BD	BD+32 124		Distance	221.24		Distance ly	721.68

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00444+3337	STF 55		2005	55	332	2.2	8.33	8.89	A5IV	D	004422.95+333705.6
00444+3337	STF 55		2006	56	331	2.2	8.33	8.89	A5IV	D	004422.95+333705.6
00444+3337	STF 55		2008	57	330	2.2	8.33	8.89	A5IV	D	004422.95+333705.6
00444+3337	STF 55		2010	60	330	2.2	8.33	8.89	A5IV	D	004422.95+333705.6
00444+3337	STF 55		2011	61	333	2.3	8.33	8.89	A5IV	D	004422.95+333705.6
00444+3337	STF 55		2016	59	331	2.3	8.33	8.89	A5IV		004422.95+333705.6
00444+3337	STF 55		2020	61	332	2.2	8.33	8.89	A5IV		004422.95+333705.6

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