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Current system

20144+1533
CHE 229

Selections

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

20144+1533 CHE 229

20^h 14^m 25.04^s +15° 32' 51.8" P.A. 262.00 sep 17.5 mag 11.70,13.10

Coord 2000	20144+1533		Discov num	CHE 229		Comp			Coord arcsec 2000	20 14 25.04 +15 32 51.8
Date first	1910		Date last	2018		Obs	13
Pa first	257		Pa last	262		P.A. Now (θ)	262°
Sep first	19.2		Sep last	17.5		Sep. Now (ρ)	17.5"
Mag pri	11.70		Mag sec	13.10		delta mag (ΔM)	1.4		Spectral class
Pri motion ra	-010		Sec motion ra	-003
Pri motion dec	-023		Sec motion dec	-003
Notes

rPM=0.845

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

261.5

Precise sep

17.5

Constellation

Aquila

Gaia DR2

1808332964221540224

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20144+1533	CHE 229		1982	2	260	17.9	10.13	10.40			201425.09+153251.8
20144+1533	CHE 229		2008	3	262	17.5	10.13	10.40			201425.09+153251.8
20144+1533	CHE 229		2010	7	262	17.4	11.70	13.10			201425.04+153251.8
20144+1533	CHE 229		2015	8	262	17.5	11.70	13.10			201425.04+153251.8
20144+1533	CHE 229		2018	9	262	17.5	11.70	13.10			201425.04+153251.8

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