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20369+2538
BRT3360

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

20369+2538 BRT3360

20^h 36^m 53.64^s +25° 37' 36.2" P.A. 103.00 sep 4.6 mag 13.07,13.07

Coord 2000	20369+2538		Discov num	BRT3360		Comp			Coord arcsec 2000	20 36 53.64 +25 37 36.2
Date first	1904		Date last	2015		Obs	5
Pa first	90		Pa last	103		P.A. Now (θ)	103°
Sep first	2.4		Sep last	4.6		Sep. Now (ρ)	4.6"
Mag pri	13.07		Mag sec	13.07		delta mag (ΔM)	0		Spectral class
Pri motion ra	+001		Sec motion ra
Pri motion dec	+003		Sec motion dec
Notes	N B (See Notes, Blue magnitudes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

102.5

Precise sep

4.565

Constellation

Vulpecula

Gaia DR2

1855609868272744576

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20369+2538	BRT3360		1904	1	90	2.4	13.07	13.07		B	203653.64+253736.2
20369+2538	BRT3360		2002	4	103	4.5	13.07	13.07		B	203653.64+253736.2
20369+2538	BRT3360		2010	5	103	4.6	13.07	13.07		N B	203653.64+253736.2
20369+2538	BRT3360		2015	6	103	4.6	13.07	13.07		N B	203653.64+253736.2

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