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20143+5501
TDT2111

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

20143+5501 TDT2111

20^h 14^m 19.97^s +55° 01' 18.8" P.A. 154.00 sep 2.0 mag 11.48,12.51

Coord 2000	20143+5501		Discov num	TDT2111		Comp			Coord arcsec 2000	20 14 19.97 +55 01 18.8
Date first	1991		Date last	2016		Obs	3
Pa first	154		Pa last	154		P.A. Now (θ)	154°
Sep first	2.1		Sep last	2.0		Sep. Now (ρ)	2"
Mag pri	11.48		Mag sec	12.51		delta mag (ΔM)	1.03		Spectral class
Pri motion ra	+027		Sec motion ra	+027
Pri motion dec	+033		Sec motion dec	+033
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	154		Precise sep	2.018		Constellation	Cygnus		Tycho2	3941-01283-1
Gaia DR2	2185968517778768384

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20143+5501	TDT2111		1991	1	154	2.1	11.48	12.51			201419.97+550118.8
20143+5501	TDT2111		2015	2	154	2.0	11.48	12.51			201419.97+550118.8

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