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Current system

00175+4957
LDS3147

Selections

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

00175+4957 LDS3147

00^h 17^m 26.59^s +49° 57' 55.1" P.A. 236.00 sep 178.4 mag 18.20,18.80

Coord 2000	00175+4957		Discov num	LDS3147		Comp			Coord arcsec 2000	00 17 26.59 +49 57 55.1
Date first	1953		Date last	2015		Obs	10
Pa first	236		Pa last	236		P.A. Now (θ)	236°
Sep first	178.5		Sep last	178.4		Sep. Now (ρ)	178.4"
Mag pri	18.20		Mag sec	18.80		delta mag (ΔM)	0.6		Spectral class
Pri motion ra	+146		Sec motion ra	+148
Pri motion dec	+020		Sec motion dec	+018
Notes

rPM=0.019 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

236.2

Precise sep

178.398

Constellation

Cassiopeia

Gaia DR2

394415230570341248

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00175+4957	LDS3147		1960	1	237	178.0	18.20	18.80			001726.59+495755.1
00175+4957	LDS3147		2003	5	236	178.6	18.20	18.80			001726.59+495755.1
00175+4957	LDS3147		2010	6	236	178.5	18.20	18.80			001726.59+495755.1
00175+4957	LDS3147		2015	7	236	178.4	18.20	18.80			001726.59+495755.1

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