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20275-4838
I 663

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

20275-4838 I 663

20^h 27^m 30.98^s -48° 38' 08.7" P.A. 71.00 sep 0.8 mag 9.67,9.83 Sp F3V dist. 154.32 pc (503.39 l.y.)

Coord 2000	20275-4838		Discov num	I 663		Comp			Coord arcsec 2000	20 27 30.98 -48 38 08.7
Date first	1909		Date last	2008		Obs	10
Pa first	80		Pa last	71		P.A. Now (θ)	71°
Sep first	0.7		Sep last	0.8		Sep. Now (ρ)	0.8"
Mag pri	9.67		Mag sec	9.83		delta mag (ΔM)	0.16		Spectral class	F3V (yellow-white)
Pri motion ra	-003		Sec motion ra	-003
Pri motion dec	+003		Sec motion dec	+003
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	70.7		Precise sep	0.77		Constellation	Telescopium		SAO	230217
HIP	100901		Tycho2	8410-01730-1		Gaia DR2	6668255241815024128		HD	194418
CD	CD-4913105		CP	CP-4911228		Distance	154.32		Distance ly	503.39

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20275-4838	I 663		1991	9	84	0.5	9.67	9.83	F3V	D	202730.98-483808.7
20275-4838	I 663		2008	10	71	0.8	9.67	9.83	F3V	D	202730.98-483808.7

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