You're not logged.

Login

Want to manage your own lists?
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

09579-2309
ARA1771

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.

09579-2309 ARA1771

09^h 57^m 54.78^s -23° 08' 13.2" P.A. 52.00 sep 12.3 mag 11.90,12.40

Coord 2000	09579-2309		Discov num	ARA1771		Comp			Coord arcsec 2000	09 57 54.78 -23 08 13.2
Date first	1922		Date last	2015		Obs	6
Pa first	52		Pa last	52		P.A. Now (θ)	52°
Sep first	12.2		Sep last	12.3		Sep. Now (ρ)	12.3"
Mag pri	11.90		Mag sec	12.40		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-006		Sec motion ra	+001
Pri motion dec	-024		Sec motion dec	-022
Notes

rPM=0.294 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

51.5

Precise sep

12.296

Constellation

Hydra

Gaia DR2

5660702819512239232

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09579-2309	ARA1771		1999	2	52	12.3	12.40	13.40		D	095754.78-230813.2
09579-2309	ARA1771		2010	5	51	12.0	11.90	12.40			095754.78-230813.2
09579-2309	ARA1771		2015	6	52	12.3	11.90	12.40			095754.78-230813.2

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