20166+1603 CHE 264

Coord 2000	20166+1603		Discov num	CHE 264		Comp			Coord arcsec 2000	20 16 33.72 +16 03 23.0
Date first	1910		Date last	2015		Obs	11
Pa first	37		Pa last	35		P.A. Now (θ)	35°
Sep first	29.5		Sep last	28.3		Sep. Now (ρ)	28.3"
Mag pri	12.50		Mag sec	13.22		delta mag (ΔM)	0.72		Spectral class
Pri motion ra	+009		Sec motion ra	+003
Pri motion dec	+001		Sec motion dec	-002
Notes

rPM=0.741 Nature of this double is uncertain.

Precise pa

35.4

Precise sep

28.287

Constellation

Delphinus

Gaia DR2

50439564800

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20166+1603	CHE 264		1998	2	36	28.5	10.05	11.50		D	201633.72+160323.0
20166+1603	CHE 264		2008	3	36	28.3	10.05	11.50		D	201633.72+160323.0
20166+1603	CHE 264		2010	6	36	28.4	12.50	13.22			201633.72+160323.0
20166+1603	CHE 264		2015	7	35	28.3	12.50	13.22			201633.72+160323.0

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