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00191-7759
HDS 42

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

00191-7759 HDS 42

00^h 19^m 05.42^s -77° 59' 20.2" P.A. 40.00 sep 0.9 mag 7.89,11.08 Sp F0III dist. 226.24 pc (737.99 l.y.)

Coord 2000	00191-7759		Discov num	HDS 42		Comp			Coord arcsec 2000	00 19 05.42 -77 59 20.2
Date first	1991		Date last	2014		Obs	3
Pa first	39		Pa last	40		P.A. Now (θ)	40°
Sep first	0.9		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	7.89		Mag sec	11.08		delta mag (ΔM)	3.19		Spectral class	F0III (yellow-white)
Pri motion ra	+039		Sec motion ra	+042
Pri motion dec	+010		Sec motion dec	+012
Notes

rPM=0.083 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	39.7		Precise sep	0.905		Constellation	Hydrus		SAO	255657
HIP	1531		Tycho2	9350-01310-1		Gaia DR2	4635726741384533376		HD	1558
CP	CP-78 6		Distance	226.24		Distance ly	737.99

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00191-7759	HDS 42		1991	2	39	0.9	7.89	11.08	F0III	D	001905.42-775920.2
00191-7759	HDS 42		2014	3	40	0.9	7.89	11.08	F0III		001905.42-775920.2

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