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18484-3700
UC 3678

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18484-3700 UC 3678

18^h 48^m 23.76^s -37° 00' 45.4" P.A. 336.00 sep 81.5 mag 15.20,15.90 dist. 263.16 pc (858.43 l.y.)

Coord 2000	18484-3700		Discov num	UC 3678		Comp			Coord arcsec 2000	18 48 23.76 -37 00 45.4
Date first	1998		Date last	2015		Obs	4
Pa first	336		Pa last	336		P.A. Now (θ)	336°
Sep first	81.4		Sep last	81.5		Sep. Now (ρ)	81.5"
Mag pri	15.20		Mag sec	15.90		delta mag (ΔM)	0.7		Spectral class
Pri motion ra	+087		Sec motion ra	+084
Pri motion dec	+063		Sec motion dec	+061
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.034 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	335.7		Precise sep	81.526		Spectr	K2III		Constellation	Corona Austrina
SAO	210584		HIP	92275		Tycho2	7420-00449-1		Gaia DR2	6730315771204419584
HD	173712		CD	CD-3712877		Distance	263.16		Distance ly	858.43

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18484-3700	UC 3678		1999	2	336	81.5	15.20	15.90		V	184823.76-370045.4
18484-3700	UC 3678		2000	2	336	81.7	15.20	15.90		V	184823.76-370045.4
18484-3700	UC 3678		2015	4	336	81.5	15.20	15.90		V R	184823.76-370045.4

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