You're not logged.

Login

Less is more. Filter out doubles you can't observe!
Register here

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

10223+7546
LDS1712

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.

10223+7546 LDS1712

10^h 22^m 16.86^s +75° 46' 04.7" P.A. 81.00 sep 34.6 mag 10.34,16.50 Sp K0

Coord 2000	10223+7546		Discov num	LDS1712		Comp			Coord arcsec 2000	10 22 16.86 +75 46 04.7
Date first	1965		Date last	2015		Obs	11
Pa first	80		Pa last	81		P.A. Now (θ)	81°
Sep first	34.0		Sep last	34.6		Sep. Now (ρ)	34.6"
Mag pri	10.34		Mag sec	16.50		delta mag (ΔM)	6.16		Spectral class	K0 (yellow-orange)
Pri motion ra	+107		Sec motion ra	+109
Pri motion dec	+028		Sec motion dec	+026
Notes

rPM=0.025 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	80.8		Precise sep	34.56		Constellation	Draco		SAO	7121
Tycho2	4542-02355-1		Gaia DR2	1126871737682628352

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10223+7546	LDS1712		1999	2	81	34.6	10.34	16.50	K0	D	102216.86+754604.7
10223+7546	LDS1712		2009	3	81	34.6	10.34	16.50	K0	D	102216.86+754604.7
10223+7546	LDS1712		2010	5	81	34.5	10.34	16.50	K0		102216.86+754604.7
10223+7546	LDS1712		2015	6	81	34.6	10.34	16.50	K0		102216.86+754604.7

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