You're not logged.

Login

Saving a selection in a list is possibile.
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

20064+3147
GYL 31

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.

20064+3147 GYL 31

20^h 06^m 25.14^s +31° 47' 35.3" P.A. 180.00 sep 68.2 mag 11.15,11.94

Coord 2000	20064+3147		Discov num	GYL 31		Comp			Coord arcsec 2000	20 06 25.14 +31 47 35.3
Date first	1893		Date last	2015		Obs	13
Pa first	180		Pa last	180		P.A. Now (θ)	180°
Sep first	68.3		Sep last	68.2		Sep. Now (ρ)	68.2"
Mag pri	11.15		Mag sec	11.94		delta mag (ΔM)	0.79		Spectral class
Pri motion ra	+014		Sec motion ra	+005
Pri motion dec	+012		Sec motion dec	+010
Notes

rPM=0.5

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	180.4		Precise sep	68.226		Constellation	Cygnus		SAO	69411
Tycho2	2671-00217-1		Gaia DR2	2030834264700630656		HD	331851

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20064+3147	GYL 31		1998	6	180	68.2	11.15	11.80		D	200625.14+314735.3
20064+3147	GYL 31		2002	7	180	68.2	11.15	11.80		D	200625.14+314735.3
20064+3147	GYL 31		2010	8	181	68.1	11.15	11.94			200625.14+314735.3
20064+3147	GYL 31		2015	9	180	68.2	11.15	11.94			200625.14+314735.3

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