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Doubles in session

Current system

00250+2726
CHE 24

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

00250+2726 CHE 24

00^h 25^m 02.63^s +27° 27' 42.4" P.A. 339.00 sep 4.9 mag 13.90,14.60

Coord 2000	00250+2726		Discov num	CHE 24		Comp			Coord arcsec 2000	00 25 02.63 +27 27 42.4
Date first	1907		Date last	2015		Obs	7
Pa first	338		Pa last	339		P.A. Now (θ)	339°
Sep first	4.6		Sep last	4.9		Sep. Now (ρ)	4.9"
Mag pri	13.90		Mag sec	14.60		delta mag (ΔM)	0.7		Spectral class
Pri motion ra	+021		Sec motion ra	+000
Pri motion dec	-011		Sec motion dec	+038
Notes	N (See Notes)

rPM=1.403

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

338.8

Precise sep

4.889

Constellation

Hydra

Gaia DR2

2856237471854397568

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00250+2726	CHE 24		1997	3	340	5.0	12.45	13.85			002502.66+272641.4
00250+2726	CHE 24		1998	4	339	4.9	13.90	14.60			002502.63+272742.4
00250+2726	CHE 24		2001	5	339	4.9	13.90	14.60			002502.63+272742.4
00250+2726	CHE 24		2010	6	338	5.0	13.90	14.60		N	002502.63+272742.4
00250+2726	CHE 24		2015	7	339	4.9	13.90	14.60		N	002502.63+272742.4

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