20400-4109 UC 4250

Coord 2000	20400-4109		Discov num	UC 4250		Comp			Coord arcsec 2000	20 39 58.01 -41 08 34.0
Date first	1996		Date last	2015		Obs	6
Pa first	315		Pa last	315		P.A. Now (θ)	315°
Sep first	28.7		Sep last	28.8		Sep. Now (ρ)	28.8"
Mag pri	12.18		Mag sec	14.65		delta mag (ΔM)	2.47		Spectral class
Pri motion ra	+035		Sec motion ra	+034
Pri motion dec	-115		Sec motion dec	-113
Notes	V (Proper motion indicates physical)

rPM=0.019 (< 0.3, Physical double) This double is physical.

Precise pa

314.8

Precise sep

28.765

Constellation

Microscopium

Gaia DR2

23486460032

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20400-4109	UC 4250		1998	2	315	28.8	12.20	14.60		V	203958.01-410834.0
20400-4109	UC 4250		2000	2	315	28.7	12.20	14.60		V	203958.01-410834.0
20400-4109	UC 4250		2010	4	315	28.8	12.18	14.65		V	203958.01-410834.0
20400-4109	UC 4250		2015	5	315	28.7	12.18	14.65		V	203958.01-410834.0

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