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Doubles in session

Current system

10541+0124
LDS4033

Selections

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Binocular doubles
Binary Systems
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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

10541+0124 LDS4033

10^h 54^m 07.47^s +01° 24' 00.2" P.A. 275.00 sep 22.9 mag 14.11,15.31

Coord 2000	10541+0124		Discov num	LDS4033		Comp			Coord arcsec 2000	10 54 07.47 +01 24 00.2
Date first	1955		Date last	2015		Obs	8
Pa first	274		Pa last	275		P.A. Now (θ)	275°
Sep first	23.2		Sep last	22.9		Sep. Now (ρ)	22.9"
Mag pri	14.11		Mag sec	15.31		delta mag (ΔM)	1.2		Spectral class
Pri motion ra	+014		Sec motion ra	+015
Pri motion dec	-221		Sec motion dec	-202
Notes

rPM=0.086 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

275.2

Precise sep

22.931

Constellation

Leo

Gaia DR2

3808038164934367488

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10541+0124	LDS4033		2000	3	275	22.9	13.40	14.50		D	105407.47+012400.2
10541+0124	LDS4033		2010	6	275	22.9	14.11	15.31			105407.47+012400.2
10541+0124	LDS4033		2015	7	275	22.9	14.11	15.31			105407.47+012400.2

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