You're not logged.

Login

Set your own preferrences to customize your experience with Stelle Doppie!
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

20300+5621
STI2537

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.

20300+5621 STI2537

20^h 30^m 00.18^s +56° 20' 41.2" P.A. 343.00 sep 12.7 mag 11.83,12.80

Coord 2000	20300+5621		Discov num	STI2537		Comp			Coord arcsec 2000	20 30 00.18 +56 20 41.2
Date first	1905		Date last	2015		Obs	9
Pa first	339		Pa last	343		P.A. Now (θ)	343°
Sep first	13.8		Sep last	12.7		Sep. Now (ρ)	12.7"
Mag pri	11.83		Mag sec	12.80		delta mag (ΔM)	0.97		Spectral class
Pri motion ra	-002		Sec motion ra	+008
Pri motion dec	-004		Sec motion dec	-010
Notes

rPM=0.911

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	342.6		Precise sep	12.668		Constellation	Cygnus		Tycho2	3958-00913-1
Gaia DR2	2186956222818313856

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20300+5621	STI2537		1999	2	342	12.9	11.83	12.80		D	203000.18+562041.2
20300+5621	STI2537		2003	3	342	12.8	11.83	12.80		D	203000.18+562041.2
20300+5621	STI2537		2010	4	342	12.6	11.83	12.80			203000.18+562041.2
20300+5621	STI2537		2015	5	343	12.7	11.83	12.80			203000.18+562041.2

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