20153+3546 SEI1044

Coord 2000	20153+3546		Discov num	SEI1044		Comp			Coord arcsec 2000	20 15 18.39 +35 46 25.1
Date first	1896		Date last	2015		Obs	13
Pa first	112		Pa last	108		P.A. Now (θ)	108°
Sep first	23.4		Sep last	21.9		Sep. Now (ρ)	21.9"
Mag pri	11.49		Mag sec	11.77		delta mag (ΔM)	0.28		Spectral class	F8: (yellow-white)
Pri motion ra	+014		Sec motion ra	+006
Pri motion dec	-016		Sec motion dec	-004
Notes

rPM=0.678 Nature of this double is uncertain.

Precise pa	108.1		Precise sep	21.886		Constellation	Cygnus		Tycho2	2684-01382-1
Gaia DR2	51084568832

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20153+3546	SEI1044		2000	6	109	22.1	11.49	11.72		D	201518.39+354625.1
20153+3546	SEI1044		2002	7	108	22.1	11.49	11.72		D	201518.39+354625.1
20153+3546	SEI1044		2010	8	108	21.8	11.49	11.77	F8:		201518.39+354625.1
20153+3546	SEI1044		2015	9	108	21.9	11.49	11.77	F8:		201518.39+354625.1

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