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20015+4018
HJ 1468

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

20015+4018 HJ 1468

20^h 01^m 28.29^s +40° 17' 56.0" P.A. 282.00 sep 11.7 mag 7.88,10.36 Sp A0 dist. 1449.28 pc (4727.55 l.y.)

Coord 2000	20015+4018		Discov num	HJ 1468		Comp			Coord arcsec 2000	20 01 28.29 +40 17 56.0
Date first	1828		Date last	2015		Obs	23
Pa first	275		Pa last	282		P.A. Now (θ)	282°
Sep first	8.0		Sep last	11.7		Sep. Now (ρ)	11.7"
Mag pri	7.88		Mag sec	10.36		delta mag (ΔM)	2.48		Spectral class	A0 (white)
Pri motion ra	+001		Sec motion ra	+011
Pri motion dec	-004		Sec motion dec	+004
Notes	N (See Notes)

rPM=1.094

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	282.2		Precise sep	11.69		Constellation	Cygnus		SAO	49094
HIP	98582		Tycho2	3154-02319-1		Gaia DR2	2074249576527382784		HD	190046
BD	BD+39 4007		Distance	1449.28		Distance ly	4727.55

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20015+4018	HJ 1468		2007	15	282	11.9	7.88	10.36	A0	D	200128.29+401756.0
20015+4018	HJ 1468		2010	18	282	11.3	7.88	10.36	A0		200128.29+401756.0
20015+4018	HJ 1468		2015	19	282	11.7	7.88	10.36	A0	N	200128.29+401756.0

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