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

20133+1530
CHE 209

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.

20133+1530 CHE 209

20^h 13^m 15.84^s +15° 29' 57.7" P.A. 50.00 sep 29.7 mag 11.49,11.64

Coord 2000	20133+1530		Discov num	CHE 209		Comp			Coord arcsec 2000	20 13 15.84 +15 29 57.7
Date first	1904		Date last	2015		Obs	14
Pa first	50		Pa last	50		P.A. Now (θ)	50°
Sep first	30.8		Sep last	29.7		Sep. Now (ρ)	29.7"
Mag pri	11.49		Mag sec	11.64		delta mag (ΔM)	0.15		Spectral class
Pri motion ra	+000		Sec motion ra	-005
Pri motion dec	-003		Sec motion dec	-011
Notes

rPM=0.781

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	50.3		Precise sep	29.697		Constellation	Aquila		Tycho2	1618-01632-1
Gaia DR2	1808516342144346880		HD	355098

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20133+1530	CHE 209		1998	5	50	29.9	11.74	11.86		D	201315.84+152957.7
20133+1530	CHE 209		2008	6	51	30.0	11.74	11.86		D	201315.84+152957.7
20133+1530	CHE 209		2010	9	50	29.8	11.49	11.64			201315.84+152957.7
20133+1530	CHE 209		2015	10	50	29.7	11.49	11.64			201315.84+152957.7

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