20001+1111 HJ 1458

Coord 2000	20001+1111		Discov num	HJ 1458		Comp			Coord arcsec 2000	20 00 03.95 +11 10 55.1
Date first	1828		Date last	2015		Obs	35
Pa first	312		Pa last	312		P.A. Now (θ)	312°
Sep first	20.0		Sep last	16.2		Sep. Now (ρ)	16.2"
Mag pri	9.27		Mag sec	9.43		delta mag (ΔM)	0.16		Spectral class	A9V (white)
Pri motion ra	+013		Sec motion ra	+014
Pri motion dec	-004		Sec motion dec	-003
Notes	N T (See Notes, Parallax indicates physical)

Visually invisible, K-band or other infrared star rPM=0.099 (< 0.3, Physical double) This double is physical.

Precise pa	312.4		Precise sep	16.17		Constellation	Aquila		SAO	105519
Tycho2	1075-03274-1		Gaia DR2	18434821120		HD	189508

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20001+1111	HJ 1458		2005	24	316	16.4	9.27	9.43	A9V	N D	200003.95+111055.1
20001+1111	HJ 1458		2009	25	313	16.3	9.27	9.43	A9V	N D	200003.95+111055.1
20001+1111	HJ 1458		2012	28	313	16.4	9.27	9.43	A9V	N D	200003.95+111055.1
20001+1111	HJ 1458		2015	30	312	16.2	9.27	9.43	A9V	N	200003.95+111055.1

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