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Doubles in session

Current system

20140-1456
HJ 2937

Selections

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

20140-1456 HJ 2937

20^h 14^m 05.27^s -14° 55' 30.2" P.A. 89.00 sep 9.3 mag 10.70,11.50

Coord 2000	20140-1456		Discov num	HJ 2937		Comp			Coord arcsec 2000	20 14 05.27 -14 55 30.2
Date first	1831		Date last	2015		Obs	10
Pa first	91		Pa last	89		P.A. Now (θ)	89°
Sep first	3.0		Sep last	9.3		Sep. Now (ρ)	9.3"
Mag pri	10.70		Mag sec	11.50		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	+003		Sec motion ra	+008
Pri motion dec	-001		Sec motion dec	+002
Notes

rPM=0.707

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

88.8

Precise sep

9.272

Constellation

Capricornus

Gaia DR2

6874704084831891328

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20140-1456	HJ 2937		1998	5	89	9.2	10.70	11.50		D	201405.27-145530.2
20140-1456	HJ 2937		2000	6	89	9.3	10.70	11.50		D	201405.27-145530.2
20140-1456	HJ 2937		2012	7	89	9.2	10.70	11.50		D	201405.27-145530.2
20140-1456	HJ 2937		2015	9	89	9.3	10.70	11.50			201405.27-145530.2

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