You're not logged.

Login

Filter only those doubles you can observe? Yes, you can!
Register here

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

20342+2449
COU 126

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.

20342+2449 COU 126

20^h 34^m 12.59^s +24° 49' 22.0" P.A. 92.00 sep 0.9 mag 8.75,10.93 Sp A2 dist. 355.87 pc (1160.85 l.y.)

Coord 2000	20342+2449		Discov num	COU 126		Comp			Coord arcsec 2000	20 34 12.59 +24 49 22.0
Date first	1966		Date last	2016		Obs	6
Pa first	97		Pa last	92		P.A. Now (θ)	92°
Sep first	0.8		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	8.75		Mag sec	10.93		delta mag (ΔM)	2.18		Spectral class	A2 (white)
Pri motion ra	+010		Sec motion ra	+010
Pri motion dec	-006		Sec motion dec	-007
Notes

rPM=0.082 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	92.3		Precise sep	0.864		Constellation	Vulpecula		SAO	88850
HIP	101509		Tycho2	2161-01156-1		Gaia DR2	1831528879995499520		HD	196054
BD	BD+24 4165		Distance	355.87		Distance ly	1160.85

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20342+2449	COU 126		1991	3	91	0.9	8.75	10.93	A2	D	203412.59+244922.0
20342+2449	COU 126		2007	4	91	0.9	8.75	10.93	A2	D	203412.59+244922.0
20342+2449	COU 126		2011	5	92	0.8	8.75	10.93	A2		203412.59+244922.0

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