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20142+3750
SEI1034

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

20142+3750 SEI1034

20^h 14^m 11.65^s +37° 49' 57.6" P.A. 59.00 sep 25.9 mag 9.70,11.77 Sp B0

Coord 2000	20142+3750		Discov num	SEI1034		Comp			Coord arcsec 2000	20 14 11.65 +37 49 57.6
Date first	1896		Date last	2015		Obs	13
Pa first	61		Pa last	59		P.A. Now (θ)	59°
Sep first	24.3		Sep last	25.9		Sep. Now (ρ)	25.9"
Mag pri	9.70		Mag sec	11.77		delta mag (ΔM)	2.07		Spectral class	B0 (blue-white)
Pri motion ra	-006		Sec motion ra	+004
Pri motion dec	-008		Sec motion dec	+003
Notes

rPM=1.487

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	58.9		Precise sep	25.928		Constellation	Cygnus		SAO	69663
Tycho2	3151-00472-1		Gaia DR2	2060899551174256256		HD	228474

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20142+3750	SEI1034		1999	7	59	25.7	9.70	11.74	B0	D	201411.65+374957.6
20142+3750	SEI1034		2002	8	59	25.8	9.70	11.74	B0	D	201411.65+374957.6
20142+3750	SEI1034		2010	9	59	26.9	9.70	11.77	B0		201411.65+374957.6
20142+3750	SEI1034		2015	10	59	25.9	9.70	11.77	B0		201411.65+374957.6

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