You're not logged.

Login

Filter only those doubles you can observe? Yes, you can!
Register here

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

00388-2506
HJ 1991

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00388-2506 HJ 1991

00^h 38^m 48.78^s -25° 06' 28.2" P.A. 95.00 sep 47.2 mag 6.58,9.73 Sp K0 dist. 273.97 pc (893.69 l.y.)

Coord 2000	00388-2506		Discov num	HJ 1991		Comp			Coord arcsec 2000	00 38 48.78 -25 06 28.2
Date first	1830		Date last	2015		Obs	18
Pa first	93		Pa last	95		P.A. Now (θ)	95°
Sep first	40.0		Sep last	47.2		Sep. Now (ρ)	47.2"
Mag pri	6.58		Mag sec	9.73		delta mag (ΔM)	3.15		Spectral class	K0 (yellow-orange)
Pri motion ra	+057		Sec motion ra	+066
Pri motion dec	-021		Sec motion dec	-031
Notes	N (See Notes)

rPM=0.185 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	95.1		Precise sep	47.192		Constellation	Hydra		SAO	166443
HIP	3056		Tycho2	6421-00961-1		Gaia DR2	2347049823100806656		HD	3605
CD	CD-25 234		CP	CP-25 67		Distance	273.97		Distance ly	893.69

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00388-2506	HJ 1991		1998	15	95	47.1	6.58	9.73	K0	N D	003848.78-250628.2
00388-2506	HJ 1991		1999	16	95	47.2	6.58	9.73	K0	N D	003848.78-250628.2
00388-2506	HJ 1991		2010	17	95	47.2	6.58	9.73	K0	N	003848.78-250628.2

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