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20076+1337
AG 399

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

20076+1337 AG 399

20^h 07^m 34.48^s +13° 37' 23.9" P.A. 255.00 sep 18.0 mag 9.37,10.90 Sp A5

Coord 2000	20076+1337		Discov num	AG 399		Comp			Coord arcsec 2000	20 07 34.48 +13 37 23.9
Date first	1893		Date last	2015		Obs	16
Pa first	256		Pa last	255		P.A. Now (θ)	255°
Sep first	17.5		Sep last	18.0		Sep. Now (ρ)	18"
Mag pri	9.37		Mag sec	10.90		delta mag (ΔM)	1.53		Spectral class	A5 (white)
Pri motion ra	-003		Sec motion ra	-001
Pri motion dec	-014		Sec motion dec	-010
Notes

rPM=0.312

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	254.9		Precise sep	17.959		Constellation	Aquila		SAO	105718
Tycho2	1084-01855-1		Gaia DR2	1806205855901893760		HD	354894

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20076+1337	AG 399		1998	8	255	17.9	9.37	10.90	A5	D	200734.48+133723.9
20076+1337	AG 399		2008	9	255	18.0	9.37	10.90	A5	D	200734.48+133723.9
20076+1337	AG 399		2010	12	255	17.9	9.37	10.90	A5		200734.48+133723.9
20076+1337	AG 399		2015	13	255	18.0	9.37	10.90	A5		200734.48+133723.9

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