23157-4217 CRU 9054 AC

23^h 15^m 39.47^s -42° 17' 25.5" P.A. 18.00 sep 74.7 mag 11.16,12.50

Coord 2000	23157-4217		Discov num	CRU9054		Comp	AC		Coord arcsec 2000	23 15 39.47 -42 17 25.5
Date first	1903		Date last	2015		Obs	5
Pa first	15		Pa last	18.1		P.A. Now (θ)	18.1°
Sep first	74.0		Sep last	74.71		Sep. Now (ρ)	74.71"
Mag pri	11.16		Mag sec	12.50		delta mag (ΔM)	1.34		Spectral class
Pri motion ra	-011		Sec motion ra	+031
Pri motion dec	-010		Sec motion dec	-015
Notes

rPM=1.228

This double is not physical.

23157-4217 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			23 15 39 -42 17 26	TDT 3956 AB	2016	4	293	1.7	11.16	11.82	0.66
Show			23 15 39 -42 17 26	CRU 9054 AC	2015	5	18	74.7	11.16	12.50	1.34		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Grus

Tycho2

8009-00861-1

Gaia DR2

6530202799509729536