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09201+2725
SLE 491

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

09201+2725 SLE 491

09^h 20^m 07.76^s +27° 25' 23.9" P.A. 244.00 sep 28.2 mag 12.85,13.36

Coord 2000	09201+2725		Discov num	SLE 491		Comp			Coord arcsec 2000	09 20 07.76 +27 25 23.9
Date first	1984		Date last	2015		Obs	8
Pa first	241		Pa last	244		P.A. Now (θ)	244°
Sep first	27.6		Sep last	28.2		Sep. Now (ρ)	28.2"
Mag pri	12.85		Mag sec	13.36		delta mag (ΔM)	0.51		Spectral class
Pri motion ra	+027		Sec motion ra	-010
Pri motion dec	-032		Sec motion dec	-013
Notes

rPM=0.993

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	243.9		Precise sep	28.181		Constellation	Hydra		Tycho2	1955-00980-1
Gaia DR2	694928976964694912

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09201+2725	SLE 491		1999	2	243	27.8	12.19	12.70		D	092007.76+272523.9
09201+2725	SLE 491		2001	3	243	27.9	12.19	12.70		D	092007.76+272523.9
09201+2725	SLE 491		2010	4	244	28.1	12.85	13.36			092007.76+272523.9
09201+2725	SLE 491		2015	5	244	28.2	12.85	13.36			092007.76+272523.9

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