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09477-2823
UC 1830

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

09477-2823 UC 1830

09^h 47^m 40.28^s -28° 22' 47.2" P.A. 288.00 sep 40.2 mag 8.40,15.00 Sp F7V dist. 56.56 pc (184.5 l.y.)

Coord 2000	09477-2823		Discov num	UC 1830		Comp			Coord arcsec 2000	09 47 40.28 -28 22 47.2
Date first	1956		Date last	2015		Obs	8
Pa first	282		Pa last	288		P.A. Now (θ)	288°
Sep first	40.7		Sep last	40.2		Sep. Now (ρ)	40.2"
Mag pri	8.40		Mag sec	15.00		delta mag (ΔM)	6.6		Spectral class	F7V (yellow-white)
Pri motion ra	-077		Sec motion ra	-080
Pri motion dec	-001		Sec motion dec	+003
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.062 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	288.2		Precise sep	40.191		Constellation	Antlia		SAO	178005
HIP	48047		Tycho2	6615-01519-1		Gaia DR2	5656775329619211648		HD	84887
CD	CD-27 6935		CP	CP-27 3869		Distance	56.56		Distance ly	184.5

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09477-2823	UC 1830		1999	3	288	40.2	8.40	15.00		V	094740.28-282247.2
09477-2823	UC 1830		2000	2	288	40.2	8.40	15.00		V	094740.28-282247.2
09477-2823	UC 1830		2010	8	288	40.3	8.40	15.00	F7V	NV	094740.28-282247.2
09477-2823	UC 1830		2015	8	288	40.2	8.40	15.00	F7V	NV	094740.28-282247.2

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