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10139-4019
RST1489

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

10139-4019 RST1489

10^h 13^m 56.58^s -40° 18' 38.7" P.A. 209.00 sep 10.9 mag 6.35,13.30 Sp G8III dist. 139.86 pc (456.22 l.y.)

Coord 2000	10139-4019		Discov num	RST1489		Comp			Coord arcsec 2000	10 13 56.58 -40 18 38.7
Date first	1912		Date last	2015		Obs	6
Pa first	215		Pa last	209		P.A. Now (θ)	209°
Sep first	13.4		Sep last	10.9		Sep. Now (ρ)	10.9"
Mag pri	6.35		Mag sec	13.30		delta mag (ΔM)	6.95		Spectral class	G8III (yellow)
Pri motion ra	-033		Sec motion ra
Pri motion dec	-012		Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	208.7		Precise sep	10.912		Constellation	Antlia		SAO	221883
HIP	50122		Tycho2	7712-00558-1		Gaia DR2	5417637769692759808		HD	88836
HR	4019		CD	CD-39 6225		Distance	139.86		Distance ly	456.22

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10139-4019	RST1489		1945	4	213	12.3	6.35	13.30	G8III		101356.58-401838.7
10139-4019	RST1489		2014	5	211	11.0	6.35	13.30	G8III		101356.58-401838.7
10139-4019	RST1489		2015	6	209	10.9	6.35	13.30	G8III		101356.58-401838.7

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