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20242-1956
ARA1208

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

20242-1956 ARA1208

20^h 24^m 13.83^s -19° 55' 42.2" P.A. 307.00 sep 12.9 mag 11.68,13.90

Coord 2000	20242-1956		Discov num	ARA1208		Comp			Coord arcsec 2000	20 24 13.83 -19 55 42.2
Date first	1919		Date last	2015		Obs	6
Pa first	310		Pa last	307		P.A. Now (θ)	307°
Sep first	12.6		Sep last	12.9		Sep. Now (ρ)	12.9"
Mag pri	11.68		Mag sec	13.90		delta mag (ΔM)	2.22		Spectral class
Pri motion ra	-010		Sec motion ra	-011
Pri motion dec	+003		Sec motion dec	+004
Notes

rPM=0.121 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	307.4		Precise sep	12.949		Constellation	Capricornus		Tycho2	6337-01037-1
Gaia DR2	6859507081787881984

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20242-1956	ARA1208		1998	2	307	12.9	11.68	13.90		D	202413.83-195542.2
20242-1956	ARA1208		1999	3	308	12.9	11.68	13.90		D	202413.83-195542.2
20242-1956	ARA1208		2010	5	307	12.7	11.68	13.90			202413.83-195542.2
20242-1956	ARA1208		2015	6	307	12.9	11.68	13.90			202413.83-195542.2

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