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19105-3000
UC 3830

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

19105-3000 UC 3830

19^h 10^m 27.63^s -30° 00' 25.6" P.A. 188.00 sep 50.3 mag 7.60,14.60 Sp F5V dist. 53.42 pc (174.26 l.y.)

Coord 2000	19105-3000		Discov num	UC 3830		Comp			Coord arcsec 2000	19 10 27.63 -30 00 25.6
Date first	1998		Date last	2015		Obs	5
Pa first	188		Pa last	188		P.A. Now (θ)	188°
Sep first	50.1		Sep last	50.3		Sep. Now (ρ)	50.3"
Mag pri	7.60		Mag sec	14.60		delta mag (ΔM)	7		Spectral class	F5V (yellow-white)
Pri motion ra	+071		Sec motion ra	+066
Pri motion dec	-065		Sec motion dec	-057
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.098 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	187.8		Precise sep	50.285		Constellation	Sagittarius		SAO	211011
HIP	94184		Tycho2	7410-03048-1		Gaia DR2	6759116997256065792		HD	178606
CD	CD-3016718		CP	CP-30 5870		Distance	53.42		Distance ly	174.26

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19105-3000	UC 3830		1999	2	188	50.5	7.60	14.60		V	191027.63-300025.6
19105-3000	UC 3830		2000	2	188	50.3	7.60	14.60		V	191027.63-300025.6
19105-3000	UC 3830		2010	3	188	50.4	7.60	14.60	F5V	NV	191027.63-300025.6
19105-3000	UC 3830		2015	4	188	50.3	7.60	14.60	F5V	NV	191027.63-300025.6

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