13375+3618 STF 1768 AC

Coord 2000	13375+3618		Discov num	STF1768		Comp	AC		Coord arcsec 2000	13 37 27.70 +36 17 41.4
Date first	1918		Date last	2015		Obs	10
Pa first	320		Pa last	320.9		P.A. Now (θ)	320.9°
Sep first	220.3		Sep last	214.327		Sep. Now (ρ)	214.327"
Mag pri	4.98		Mag sec	11.55		delta mag (ΔM)	6.57		Spectral class	A7III+G (white/yellow)
Pri motion ra	-095		Sec motion ra	-016
Pri motion dec	+024		Sec motion dec	+003
Notes	N W (See Notes, )

rPM=0.834 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	25 CVn	63648	13 37 28 +36 17 41	STF 1768 AB	2020	512	95	1.6	4.98	6.95	1.97	Y
Show		63648	13 37 28 +36 17 41	STF 1768 AC	2015	10	321	214.3	4.98	11.55	6.57		<===
Show		63648	13 37 28 +36 17 41	KZA 73 AD	2015	4	92	335.6	4.98	12.99	8.01
Show		63648	13 37 28 +36 17 41	KZA 73 AE	2020	7	139	371.6	4.98	12.66	7.68
Show		63648	13 37 28 +36 17 41	KZA 73 AF	2015	12	118	437.3	4.98	9.38	4.40

Sextuple system
6 estimated visually detectable stars in this system

Constellation	Canes Venatici		SAO	63648		HIP	66458		Tycho2	2543-01189-1
Gaia DR2	1472012663889392128		HD	118623		HR	5127		GC	18421
ADS	8974		BD	BD+37 2433		Flamsteed	25 Canum Venaticorum		Flamsteed name	25 CVn
Distance	60.9		Distance ly	198.66

discov_num	notes	refcode
STF1768	25 CVn. AB: Malkov et al. (2012) derive dynamical, photometric, and
	spectroscopic masses 4.61 +/- 2.52, 3.03, and 1.82 Msun, respectively.	Mlk2012

refcode	metd	author	reference
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012

idgroup	discov	author
1	KZA	Kazeza, S.M.
2	STF	Struve, F.G.W.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
13375+3618	STF1768	AC	2001	7	321	210.2	4.98	11.68	A7IV	N D	133727.70+361741.4
13375+3618	STF1768	AC	2002	8	321	214.5	4.98	11.68	A7IV	N D	133727.70+361741.4
13375+3618	STF1768	AC	2004	9	321	214.6	4.98	11.68	A7IV	N D	133727.70+361741.4
13375+3618	STF1768	AC	2015	10	321	214.3	4.98	11.55	A7IV	N	133727.70+361741.4

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

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