20001+2410 POU4173AB

Coord 2000	20001+2410		Discov num	POU4173		Comp	AB		Coord arcsec 2000	20 00 04.75 +24 10 00.6
Date first	1898		Date last	2015		Obs	11
Pa first	275		Pa last	273		P.A. Now (θ)	273°
Sep first	6.4		Sep last	6.4		Sep. Now (ρ)	6.4"
Mag pri	11.40		Mag sec	13.00		delta mag (ΔM)	1.6		Spectral class
Pri motion ra	+002		Sec motion ra	+002
Pri motion dec	-003		Sec motion dec	-009
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.651 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20001+2410	POU4173	AB	1898	2015	11	273	6.4	11.40	13.00	1.60		<===
Show			20001+2410	POU4174	AC	1898	2015	6	210	16.8	11.40	12.60	1.20
Show			20001+2410	DAM 671	CD	1998	2015	2	338	3.7	12.64	14.30	1.66

Quadruple system
4 visible stars in this system

Precise pa

272.7

Precise sep

6.421

Constellation

Vulpecula

Gaia DR2

85072943616

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20001+2410	POU4173	AB	2007	2	273	6.4	11.33	13.00			200004.75+241000.6
20001+2410	POU4173	AB	2009	4	273	6.3	11.33	13.00		D	200004.75+241000.6
20001+2410	POU4173	AB	2015	7	273	6.4	11.40	13.00		N	200004.75+241000.6

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