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00099+1125
HJ 1939

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

00099+1125 HJ 1939

00^h 09^m 51.77^s +11° 24' 58.6" P.A. 170.00 sep 30.6 mag 8.44,11.19 Sp F5 dist. 158.73 pc (517.78 l.y.)

Coord 2000	00099+1125		Discov num	HJ 1939		Comp			Coord arcsec 2000	00 09 51.77 +11 24 58.6
Date first	1830		Date last	2015		Obs	29
Pa first	158		Pa last	170		P.A. Now (θ)	170°
Sep first	30.0		Sep last	30.6		Sep. Now (ρ)	30.6"
Mag pri	8.44		Mag sec	11.19		delta mag (ΔM)	2.75		Spectral class	F5 (yellow-white)
Pri motion ra	+041		Sec motion ra	-008
Pri motion dec	-030		Sec motion dec	-001
Notes

rPM=1.121

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	169.5		Precise sep	30.63		Constellation	Hydra		SAO	91748
HIP	797		Tycho2	0597-01618-1		Gaia DR2	2753895444937174528		HD	530
BD	BD+10 7		Distance	158.73		Distance ly	517.78

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00099+1125	HJ 1939		2000	20	168	31.4	8.37	10.30	F5	D	000951.77+112458.6
00099+1125	HJ 1939		2010	22	169	31.1	8.37	10.30	F5	D	000951.77+112458.6
00099+1125	HJ 1939		2015	24	170	30.6	8.44	11.19	F5		000951.77+112458.6

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