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20136-1521
HJ 5511

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

20136-1521 HJ 5511

20^h 13^m 51.32^s -15° 22' 07.7" P.A. 146.00 sep 18.4 mag 10.70,12.18

Coord 2000	20136-1521		Discov num	HJ 5511		Comp			Coord arcsec 2000	20 13 51.32 -15 22 07.7
Date first	1906		Date last	2012		Obs	9
Pa first	145		Pa last	146		P.A. Now (θ)	146°
Sep first	17.3		Sep last	18.4		Sep. Now (ρ)	18.4"
Mag pri	10.70		Mag sec	12.18		delta mag (ΔM)	1.48		Spectral class
Pri motion ra	+008		Sec motion ra	+011
Pri motion dec	-006		Sec motion dec	-005
Notes	N (See Notes)

rPM=0.262 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	145.5		Precise sep	18.36		Constellation	Capricornus		Tycho2	6315-00219-1
Gaia DR2	6874628012370520320

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20136-1521	HJ 5511		1998	4	146	17.7	10.70	12.18		D	201351.32-152207.7
20136-1521	HJ 5511		2000	6	146	17.7	10.70	12.18		D	201351.32-152207.7
20136-1521	HJ 5511		2012	9	146	18.4	10.70	12.18			201351.32-152207.7

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