20048+3359 SEI 841

Coord 2000	20048+3359		Discov num	SEI 841		Comp			Coord arcsec 2000	20 04 49.10 +33 58 20.7
Date first	1893		Date last	2015		Obs	13
Pa first	310		Pa last	307		P.A. Now (θ)	307°
Sep first	27.0		Sep last	26.7		Sep. Now (ρ)	26.7"
Mag pri	12.20		Mag sec	12.50		delta mag (ΔM)	0.3		Spectral class
Pri motion ra	-002		Sec motion ra	-002
Pri motion dec	-005		Sec motion dec	-004
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.186 (< 0.3, Physical double) This double is not physical.

Precise pa	307.1		Precise sep	26.693		Constellation	Cygnus		Tycho2	2678-00375-1
Gaia DR2	38302798720

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20048+3359	SEI 841		1998	6	307	26.7	12.27	12.66		D	200449.10+335820.7
20048+3359	SEI 841		2002	7	307	26.7	12.27	12.66		D	200449.10+335820.7
20048+3359	SEI 841		2011	8	307	26.7	12.27	12.66		D	200449.10+335820.7
20048+3359	SEI 841		2015	9	307	26.7	12.20	12.50		U	200449.10+335820.7

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