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Current system

20135+1555
CHE 213

Selections

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20135+1555 CHE 213

20^h 13^m 32.60^s +15° 54' 56.2" P.A. 34.00 sep 22.8 mag 13.19,13.13

Coord 2000	20135+1555		Discov num	CHE 213		Comp			Coord arcsec 2000	20 13 32.60 +15 54 56.2
Date first	1910		Date last	2015		Obs	11
Pa first	34		Pa last	34		P.A. Now (θ)	34°
Sep first	25.4		Sep last	22.8		Sep. Now (ρ)	22.8"
Mag pri	13.19		Mag sec	13.13		delta mag (ΔM)	0.06		Spectral class
Pri motion ra	+008		Sec motion ra	+006
Pri motion dec	+004		Sec motion dec	-016
Notes

rPM=1.176

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

33.9

Precise sep

22.776

Constellation

Aquila

Gaia DR2

1808545208635777280

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20135+1555	CHE 213		1998	2	34	23.1	10.29	11.00		D	201332.60+155456.2
20135+1555	CHE 213		2008	3	34	22.9	10.29	11.00		D	201332.60+155456.2
20135+1555	CHE 213		2010	6	34	22.9	13.19	13.13			201332.60+155456.2
20135+1555	CHE 213		2015	7	34	22.8	13.19	13.13			201332.60+155456.2

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