You're not logged.

Login

About to create a great list of doubles? Share it with other users!
Create your account here

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

20052-4834
HDS2864

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.

20052-4834 HDS2864

20^h 05^m 12.62^s -48° 33' 54.7" P.A. 331.00 sep 0.3 mag 10.55,11.17 Sp K0/K1V dist. 62.42 pc (203.61 l.y.)

Coord 2000	20052-4834		Discov num	HDS2864		Comp			Coord arcsec 2000	20 05 12.62 -48 33 54.7
Date first	1991		Date last	2018		Obs	4
Pa first	270		Pa last	331		P.A. Now (θ)	331°
Sep first	0.2		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	10.55		Mag sec	11.17		delta mag (ΔM)	0.62		Spectral class	K0/K1V (yellow-orange)
Pri motion ra	+076		Sec motion ra
Pri motion dec	-103		Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	330.6		Precise sep	0.266		Constellation	Telescopium		HIP	98927
Tycho2	8396-00116-1		HD	190016		CD	CD-4813409		CP	CP-4810322
Distance	62.42		Distance ly	203.61

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20052-4834	HDS2864		1991	1	270	0.2	10.55	11.17	K0/K1V		200512.62-483354.7
20052-4834	HDS2864		2014	2	324	0.3	10.55	11.17	K0/K1V		200512.62-483354.7
20052-4834	HDS2864		2017	3	330	0.3	10.55	11.17	K0/K1V		200512.62-483354.7
20052-4834	HDS2864		2018	4	331	0.3	10.55	11.17	K0/K1V		200512.62-483354.7

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