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Doubles in session

Current system

00431+5523
STI1418

Selections

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

00431+5523 STI1418

00^h 43^m 02.36^s +55° 23' 13.4" P.A. 268.00 sep 12.5 mag 12.30,13.30

Coord 2000	00431+5523		Discov num	STI1418		Comp			Coord arcsec 2000	00 43 02.36 +55 23 13.4
Date first	1917		Date last	2015		Obs	10
Pa first	266		Pa last	268		P.A. Now (θ)	268°
Sep first	12.0		Sep last	12.5		Sep. Now (ρ)	12.5"
Mag pri	12.30		Mag sec	13.30		delta mag (ΔM)	1		Spectral class
Pri motion ra	+002		Sec motion ra	-011
Pri motion dec	-002		Sec motion dec	+004
Notes

rPM=1.223

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

267.7

Precise sep

12.545

Constellation

Cassiopeia

Gaia DR2

418340882769921664

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00431+5523	STI1418		1999	3	267	12.4	12.30	13.30		D	004302.36+552313.4
00431+5523	STI1418		2003	4	267	12.4	12.30	13.30		D	004302.36+552313.4
00431+5523	STI1418		2011	5	268	12.8	12.30	13.30			004302.36+552313.4
00431+5523	STI1418		2015	7	268	12.5	12.30	13.30			004302.36+552313.4

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