20175+1444 CHE 277

Coord 2000	20175+1444		Discov num	CHE 277		Comp			Coord arcsec 2000	20 17 30.93 +14 43 49.5
Date first	1904		Date last	2015		Obs	9
Pa first	338		Pa last	345		P.A. Now (θ)	345°
Sep first	4.4		Sep last	4.0		Sep. Now (ρ)	4"
Mag pri	11.50		Mag sec	11.70		delta mag (ΔM)	0.2		Spectral class	G0 (yellow)
Pri motion ra	-003		Sec motion ra
Pri motion dec	-018		Sec motion dec
Notes	R (Red magnitudes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Precise pa	345		Precise sep	4.01		Constellation	Delphinus		Tycho2	1085-00029-1
Gaia DR2	08634450560		HD	355416

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20175+1444	CHE 277		2003	5	343	4.1	9.87	9.95		D	201730.93+144349.5
20175+1444	CHE 277		2008	6	346	3.9	9.87	9.95		D	201730.93+144349.5
20175+1444	CHE 277		2010	8	345	3.9	11.50	11.70	G0	R	201730.93+144349.5
20175+1444	CHE 277		2015	9	345	4.0	11.50	11.70	G0	R	201730.93+144349.5

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