20173+1443 CHE 275

Coord 2000	20173+1443		Discov num	CHE 275		Comp			Coord arcsec 2000	20 17 20.85 +14 42 06.2
Date first	1910		Date last	2015		Obs	11
Pa first	333		Pa last	330		P.A. Now (θ)	330°
Sep first	31.9		Sep last	31.5		Sep. Now (ρ)	31.5"
Mag pri	12.28		Mag sec	12.86		delta mag (ΔM)	0.58		Spectral class
Pri motion ra	+039		Sec motion ra	+000
Pri motion dec	-093		Sec motion dec	-010
Notes

rPM=0.909 This double is not physical.

Precise pa

329.9

Precise sep

31.499

Constellation

Delphinus

Gaia DR2

58145523712

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20173+1443	CHE 275		1910	1	333	31.9	10.01	10.00			201720.72+144205.1
20173+1443	CHE 275		2008	2	330	31.5	10.01	10.00			201720.72+144205.1
20173+1443	CHE 275		2010	6	330	31.4	12.28	12.86			201720.85+144206.2
20173+1443	CHE 275		2015	7	330	31.5	12.28	12.86			201720.85+144206.2

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