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Current system

20180+1526
CHE 286

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

20180+1526 CHE 286

20^h 18^m 00.58^s +15° 25' 23.5" P.A. 92.00 sep 25.9 mag 12.30,13.85

Coord 2000	20180+1526		Discov num	CHE 286		Comp			Coord arcsec 2000	20 18 00.58 +15 25 23.5
Date first	1910		Date last	2015		Obs	10
Pa first	92		Pa last	92		P.A. Now (θ)	92°
Sep first	24.7		Sep last	25.9		Sep. Now (ρ)	25.9"
Mag pri	12.30		Mag sec	13.85		delta mag (ΔM)	1.55		Spectral class
Pri motion ra	-008		Sec motion ra	+010
Pri motion dec	+001		Sec motion dec	-010
Notes

rPM=1.492

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

91.7

Precise sep

25.878

Constellation

Delphinus

Gaia DR2

1808350728210397056

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20180+1526	CHE 286		1998	2	92	25.7	10.01	11.50		D	201800.58+152523.5
20180+1526	CHE 286		2008	3	92	25.8	10.01	11.50		D	201800.58+152523.5
20180+1526	CHE 286		2010	5	92	25.8	12.30	13.85			201800.58+152523.5
20180+1526	CHE 286		2015	6	92	25.9	12.30	13.85			201800.58+152523.5

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