22557-3023 LDS 5017

22^h 55^m 43.87^s -30° 22' 38.9" P.A. 163.00 sep 5.7 mag 11.71,14.40 Sp M1.5V dist. 32.31 pc (105.4 l.y.)

Coord 2000	22557-3023	Discov num	LDS5017	Comp		Coord arcsec 2000	22 55 43.87 -30 22 38.9
Date first	1960	Date last	2016	Obs	7
Pa first	157	Pa last	162.5	P.A. Now (θ)	162.5°
Sep first	7.0	Sep last	5.711	Sep. Now (ρ)	5.711"
Mag pri	11.71	Mag sec	14.40	delta mag (ΔM)	2.69	Spectral class	M1.5V (red)
Pri motion ra	+341	Sec motion ra	+391
Pri motion dec	+178	Sec motion dec	+072
Notes	N (See Notes)

rPM=0.295 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Piscis Austrinus		HIP	113221		Tycho2	7505-00499-1		Distance	32.31
Distance ly	105.4

WDS 22557-3023 LDS 5017 : NOTES

discov_num	notes	refcode
LDS5017	NLTT 55271/55272	Chm2004

REFERENCES

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

DISCOVERER

idgroup	discov	author
1	LDS	Luyten p.m. catalog (from additional DD list)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22557-3023	LDS5017		1998	2	163	5.8	11.71	14.40		D	225543.87-302238.9
22557-3023	LDS5017		1999	3	163	5.8	11.71	14.40		N D	225543.87-302238.9
22557-3023	LDS5017		2015	4	162	5.7	11.71	14.40	M1.5V	N	225543.87-302238.9
22557-3023	LDS5017		2016	6	163	5.7	11.71	14.40	M1.5V	N	225543.87-302238.9

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

WDS 22557-3023 LDS 5017 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 22557-3023 LDS 5017 : MEASURES

No records found.

WDS 22557-3023 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 22557-3023 : ALADIN DSS IMAGE @ 22^h 55^m 43.87^s -30° 22' 38.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 22557-3023 LDS 5017 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		22557-3023	LDS5017		163	5.7
Show		22541-3004	BRT3108		256	4.9	28
Show		22553-3057	BRT3109		32	3.5	35
Show		22529-3013	BRT3370		92	4.5	38
Show		22535-3054	LDS2960		240	25.6	43
Show	Fomalhaut	22577-2937	SHY 106	AB	188	999.9	52
Show		22577-2937	KAL 1	Aa,Ab	251	12.7	52
Show	Fomalhaut	22577-2937	MAM 1	AC	338	999.9	52
Show		22575-2933	LDS5991		315	28.0	55
Show		22557-3119	HUE 2		135	1.3	57
Show		22596-3057	KPP4296		58	3.0	61
Show		22587-2914	LDS5030		317	19.0	79
Show		22556-2902	SKF2106		203	136.1	81
Show		22508-3113	RST2207		59	3.0	82
Show		22556-3146	JSP 840		144	1.9	84
Show		22494-2952	SKF2105		258	76.2	88
Show		22478-3004	RST2204		113	1.0	105
Show		22485-3111	UC 4819		326	13.5	105
Show		22475-3104	RST2203		158	1.0	115
Show		23015-2848	RST1155		130	0.4	122
Show		23056-3006	LDS6003		34	272.0	127
Show		22489-2850	LDS4999		111	217.3	129
Show		22559-3232	HWE 91		250	4.9	130
Show		23060-3021	JSP 842		289	1.0	134
Show		22474-2901	LDS5976		243	231.0	135
Show		22456-3128	KPP1084	BC	1	8.6	147
Show		23012-3232	HDS3277		8	2.2	148
Show		22440-3034	UC 4797		109	17.3	153
Show		22525-3253	HJ 5367		255	4.1	156
Show		22486-3231	KPP2600		9	23.6	158
Show		22514-3251	I 1459		131	4.0	158
Show		22500-3248	HDO 301		163	0.2	164
Show		23067-3149	PRO 237		94	2.9	165
Show		22432-3112	LDS2952		23	1.5	166
Show		22578-3312	RSS 39	AB	246	59.3	172
Show		22578-3312	SHY 823	AC	6	999.9	172
Show		23085-3115	KPP4302		262	1.6	173
Show		22439-2846	BRT3106		116	2.7	182
Show		22429-3138	STN 65		31	2.8	182
Show		22450-2826	LDS2953		117	2.7	184
Show		22549-3327	RST3311		15	0.4	185
Show		22420-2933	JSP 838		228	2.9	186
Show		22449-2822	DAM 656		330	13.6	187
Show		23073-3216	PRO 238		187	30.1	187
Show		23084-2854	KPP 525		3	3.4	187
Show		23084-2849	HDS3295	AB	134	0.3	190
Show		23084-2849	SKF2108	AB,C	317	149.5	190
Show		23085-2848	SKF 313		1	14.0	191
Show		23096-3135	RST3319		249	1.3	195
Show		22419-3155	TOK 865		329	0.1	201
Show		22438-2818	RST2202		256	0.3	203

WDS 22557-3023 : COMPONENTS

	A
B	pa=164.8° sep=5.64"

22557-3023 A

Componente originario normalizzato	AB		Coord arcsec 2000	225543.87-302238.9		Mag	11.71		Spectral class	M1.5V (red)
PmRA	341.00		PmDE	178.0		HIP	113221		Tycho2	7505-00499-1

Tycho2

Tycho2	7505-00499-1	Pflag		RAmdeg	343.93282131	DEmdeg	-30.37745025
PmRA	340.6	PmDE	178.1	E RAmdeg	106	E DEmdeg	119
E pmRA	4.6	E pmDE	4.3	EpRAm	1984.13	EpDEm	1980.32
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	14.420	E BTmag	0.560	VTmag	12.060
E VTmag	0.189	Prox	999	TYC		HIP	113221
CCDM		RAdeg	343.93190889	DEdeg	-30.37786417	EpRA 1990	1.68
EpDE 1990	1.63	E RAdeg	111.9	E DEdeg	128.9	Posflg
Corr	0.0

Hipparcos

Catalog	H	HIP	113221	Proxy		RAhms	22 55 43.64
DEdms	-30 22 40.5	Vmag	11.71	VarFlag		R Vmag	G
RAdeg	343.932	DEdeg	-30.3779	AstroRef		Plx	31.31
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD		BD
CD		CP		Dm number		VIred	1.39
SpType		R SpType		Coord arcsec 2000	225543.64-302240.5

Hipparcos 2

HIP	113221	Sn	5	So	0	Nc	1
RArad	6.0027430933	DErad	-0.5301945841	Plx	30.95	PmRA	353.88
PmDE	187.96	E RArad	2.4	E DErad	1.8	E Plx	2.75
E pmRA	2.67	E pmDE	2.19	Hpmag	11.8066	E Hpmag	0.007
SHp	0.044	VA	0	BV	1.408	E BV	0.015
VI	1.39

CCDM

Ccdm	22557-3023	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.90	DDEs	20.7
R dRAs	40	Year		Theta		Rho
Obs	2	Vmag	11.0	Sp		PmNote
PmRA	384	PmDE	136	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	*	IDS	22502S3055A
HIC	113221

22557-3023 B

Componente originario normalizzato	AB		Coord arcsec 2000	225543.98-302244.3		Mag	14.4		PmRA	391.00
PmDE	72.0		Calc delta mag	2.69		Calc coord	yes

CCDM

Ccdm	22557-3023	RComp		Comp	B	Note1
Note2		Discov num	RSU	DRAs	1.28	DDEs	11.7
R dRAs	40	Year	1975	Theta	163	Rho	5.8
Obs		Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	*	IDS	22502S3055B
HIC	113221