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10397-3755
HDS1523

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

10397-3755 HDS1523

10^h 39^m 44.35^s -37° 55' 13.5" P.A. 216.00 sep 0.4 mag 11.48,12.90 Sp M2Ve dist. 13.98 pc (45.6 l.y.)

Coord 2000	10397-3755		Discov num	HDS1523		Comp			Coord arcsec 2000	10 39 44.35 -37 55 13.5
Date first	1991		Date last	2020		Obs	9
Pa first	139		Pa last	216		P.A. Now (θ)	216°
Sep first	1.3		Sep last	0.4		Sep. Now (ρ)	0.4"
Mag pri	11.48		Mag sec	12.90		delta mag (ΔM)	1.42		Spectral class	M2Ve (red)
Pri motion ra	+193		Sec motion ra	+190
Pri motion dec	-122		Sec motion dec	-129
Notes

rPM=0.033 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	216.3		Precise sep	0.441		Constellation	Antlia		HIP	52190
Tycho2	7710-01367-3		Gaia DR2	5442691069843124992		Distance	13.98		Distance ly	45.6

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10397-3755	HDS1523		1991	2	139	1.3	11.48	12.90			103944.35-375513.5
10397-3755	HDS1523		2015	3	40	0.5	11.48	12.90	M2Ve		103944.35-375513.5
10397-3755	HDS1523		2018	5	290	0.2	11.48	12.90	M2Ve		103944.35-375513.5
10397-3755	HDS1523		2019	7	241	0.3	11.48	12.90	M2Ve		103944.35-375513.5

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