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12559+1653
BPM 599

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

12559+1653 BPM 599

12^h 55^m 52.46^s +16° 52' 30.5" P.A. 89.00 sep 51.3 mag 9.75,13.31 Sp G0 dist. 112.61 pc (367.33 l.y.)

Coord 2000	12559+1653		Discov num	BPM 599		Comp			Coord arcsec 2000	12 55 52.46 +16 52 30.5
Date first	1956		Date last	2015		Obs	12
Pa first	89		Pa last	89		P.A. Now (θ)	89°
Sep first	51.6		Sep last	51.3		Sep. Now (ρ)	51.3"
Mag pri	9.75		Mag sec	13.31		delta mag (ΔM)	3.56		Spectral class	G0 (yellow)
Pri motion ra	-107		Sec motion ra	-103
Pri motion dec	-036		Sec motion dec	-025
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.104 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	89		Precise sep	51.33		Constellation	Coma Berenices		HIP	63107
Tycho2	1449-00647-1		Gaia DR2	3934642668266423168		BD	BD+17 2561		Distance	112.61
Distance ly	367.33

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12559+1653	BPM 599		1998	2	89	51.2	9.66	13.23		NV	125552.46+165230.5
12559+1653	BPM 599		2001	3	89	51.3	9.66	13.23		NV	125552.46+165230.5
12559+1653	BPM 599		2010	4	89	51.3	9.75	13.31	G0	NV	125552.46+165230.5
12559+1653	BPM 599		2015	5	89	51.3	9.75	13.31	G0	NV	125552.46+165230.5

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