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20041+3419
SEI 834

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

20041+3419 SEI 834

20^h 04^m 04.88^s +34° 18' 53.6" P.A. 135.00 sep 21.9 mag 7.71,11.60 Sp G5II dist. 236.41 pc (771.17 l.y.)

Coord 2000	20041+3419		Discov num	SEI 834		Comp			Coord arcsec 2000	20 04 04.88 +34 18 53.6
Date first	1894		Date last	2015		Obs	9
Pa first	155		Pa last	135		P.A. Now (θ)	135°
Sep first	24.4		Sep last	21.9		Sep. Now (ρ)	21.9"
Mag pri	7.71		Mag sec	11.60		delta mag (ΔM)	3.89		Spectral class	G5II (yellow)
Pri motion ra	-037		Sec motion ra	+001
Pri motion dec	-055		Sec motion dec	-006
Notes

rPM=0.935

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	134.7		Precise sep	21.857		Constellation	Cygnus		SAO	69341
HIP	98817		Tycho2	2678-02493-1		Gaia DR2	2058567968042687104		HD	190536
BD	BD+33 3714		Distance	236.41		Distance ly	771.17

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20041+3419	SEI 834		1998	3	138	22.1	7.71	11.60	G5II	D	200404.88+341853.6
20041+3419	SEI 834		2002	4	137	21.9	7.71	11.60	G5II	D	200404.88+341853.6
20041+3419	SEI 834		2015	5	135	21.9	7.71	11.60	G5II		200404.88+341853.6

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