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Doubles in session

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19419+2723
STT 382

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

19419+2723 STT 382

19^h 41^m 52.62^s +27° 22' 55.7" P.A. 322.00 sep 0.3 mag 7.31,7.55 Sp B5III dist. 1000 pc (3262 l.y.)

Coord 2000	19419+2723		Discov num	STT 382		Comp			Coord arcsec 2000	19 41 52.62 +27 22 55.7
Date first	1843		Date last	2016		Obs	70
Pa first	3		Pa last	322		P.A. Now (θ)	322°
Sep first	0.4		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	7.31		Mag sec	7.55		delta mag (ΔM)	0.24		Spectral class	B5III (blue-white)
Pri motion ra	+012		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	322.1		Precise sep	0.276		Constellation	Vulpecula		SAO	87584
HIP	96903		Tycho2	2147-03302-1		HD	186179		BD	BD+27 3471
Distance	1000		Distance ly	3262

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19419+2723	STT 382		2000	73	325	0.3	7.31	7.55	B5III	D	194152.62+272255.7
19419+2723	STT 382		2008	69	323	0.3	7.31	7.55	B5III		194152.62+272255.7
19419+2723	STT 382		2009	77	325	0.3	7.31	7.55	B5III	D	194152.62+272255.7
19419+2723	STT 382		2016	70	322	0.3	7.31	7.55	B5III		194152.62+272255.7

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