21112-0100 LDS 4867

21^h 11^m 12.44^s -01° 00' 14.1" P.A. 104.00 sep 28.6 mag 9.28,18.54 Sp F8

Coord 2000	21112-0100	Discov num	LDS4867	Comp		Coord arcsec 2000	21 11 12.44 -01 00 14.1
Date first	1960	Date last	2016	Obs	9
Pa first	103	Pa last	103.6	P.A. Now (θ)	103.6°
Sep first	29.0	Sep last	28.588	Sep. Now (ρ)	28.588"
Mag pri	9.28	Mag sec	18.54	delta mag (ΔM)	9.26	Spectral class	F8 (yellow-white)
Pri motion ra	+181	Sec motion ra	+182
Pri motion dec	+048	Sec motion dec	+047
Notes	N (See Notes)

rPM=0.008 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Aquarius		SAO	145177		Tycho2	5193-00302-1		Gaia DR2	2689078100608552960
HD	201676

WDS 21112-0100 LDS 4867 : NOTES

discov_num	notes	refcode
LDS4867	NLTT 50718/50720	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
21112-0100	LDS4867		2000	3	104	28.6	9.28	18.54	F8	D	211112.44-010014.1
21112-0100	LDS4867		2010	4	104	28.5	9.28	18.54	F8	N	211112.44-010014.1
21112-0100	LDS4867		2015	5	104	28.6	9.28	18.54	F8	N	211112.44-010014.1
21112-0100	LDS4867		2016	9	104	28.6	9.28	18.54	F8	N	211112.44-010014.1

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

WDS 21112-0100 LDS 4867 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21112-0100 LDS 4867 : MEASURES

No records found.

WDS 21112-0100 : VIRTUAL EYEPIECE

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

WDS 21112-0100 : ALADIN DSS IMAGE @ 21^h 11^m 12.44^s -01° 00' 14.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21112-0100 LDS 4867 : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21112-0100	LDS4867		104	28.6
Show		21116-0118	BAL 621	AB	136	11.3	19
Show		21116-0118	FYM 189	AC	46	12.4	19
Show		21126-0128	UC 4404		269	32.6	35
Show		21123-0142	BAL 263	AB	358	15.9	45
Show		21123-0142	LYS 37	AC	85	33.1	45
Show		21123-0142	FYM 190	AD	169	16.1	45
Show		21080-0104	J 1402		147	3.1	50
Show		21151-0117	LYS 40	AB	169	19.6	61
Show		21151-0117	LYS 40	AC	123	8.8	61
Show		21151-0117	LYS 40	AD	219	19.0	61
Show		21123-0002	KPP1761		90	13.6	65
Show		21122-0203	A 179		180	0.3	65
Show		21157-0114	STF2778	AB	284	18.4	69
Show		21157-0114	STF2778	AC	264	69.0	69
Show		21113+0011	GWP3040		290	12.7	71
Show		21103-0016	LDS4866		245	1.8	77
Show		21112-0218	BAL 262		279	17.5	77
Show		21089+0013	BU 837		181	3.4	82
Show		21058-0112	CVR 886		354	12.9	83
Show		21055-0110	BAL 617		308	14.0	87
Show		21075-0010	STF2755		79	25.4	90
Show		21133-0024	NSN 73		265	7.9	90
Show		21119+0032	ITF 212		176	2.6	93
Show		21098-0232	BAL 261		191	8.8	94
Show		21155+0008	SLW1233		19	13.5	94
Show		21176-0101	LYS 43		38	10.3	96
Show		21162-0003	LYS 41		234	6.4	99
Show		21164-0003	LYS 42	AB	188	6.2	100
Show		21164-0003	LYS 42	AC	108	55.7	100
Show		21164-0003	LYS 42	AD	170	69.9	100
Show		21073-0021	BAL 930		9	3.4	101
Show		21111+0041	SKF1774		308	1.2	101
Show		21104-0042	BAL 620		314	2.9	103
Show		21069-0020	J 1718		353	7.3	105
Show		21127-0045	J 1403		344	4.0	108
Show		21129-0045	SLW1231		211	14.0	109
Show		21093+0048	BAL1225		215	18.7	113
Show		21119-0053	UC 4401		234	25.6	114
Show		21155+0037	ITF 234		129	2.9	117
Show		21089-0052	BAL 619		127	15.9	118
Show		21075-0244	KPP 484		6	3.5	118
Show		21147-0050	LYS 39	FG	11	20.0	120
Show		21143-0052	LYS 38		23	11.8	121
Show		21147-0050	A 883	AB	264	0.1	122
Show		21147-0050	LYS 39	AF	297	185.0	122
Show		21147-0050	LYS 39	AH	126	262.6	122
Show		21147-0050	STF2775	AB,C	178	21.3	122
Show		21147-0050	STF2775	AB,D	200	170.3	122
Show		21110+0102	A 2287		38	0.1	123
Show		21043+0008	BAL 929		352	14.0	124

WDS 21112-0100 : COMPONENTS

	A
B	pa=103.6° sep=28.58"

21112-0100 A

Componente originario normalizzato	AB	Coord arcsec 2000	211112.44-010014.1	Mag	9.28	Spectral class	F8 (yellow-white)
PmRA	181.00	PmDE	48.0	SAO	145177	Tycho2	5193-00302-1
HD	201676	DM	BD-01 4115

Tycho2

Tycho2	5193-00302-1	Pflag		RAmdeg	317.80180802	DEmdeg	-1.00392156
PmRA	180.6	PmDE	48.3	E RAmdeg	15	E DEmdeg	16
E pmRA	1.0	E pmDE	1.0	EpRAm	1986.58	EpDEm	1984.47
Num	12	Q RAmdeg	0.9	Q DEmdeg	1.1	Q pmRA	0.9
Q pmDE	1.1	BTmag	9.776	E BTmag	0.032	VTmag	9.275
E VTmag	0.027	Prox	999	TYC	T	HIP
CCDM		RAdeg	317.80139861	DEdeg	-1.00403500	EpRA 1990	1.82
EpDE 1990	1.78	E RAdeg	16.5	E DEdeg	20.1	Posflg
Corr	-0.2

SAO

SAO	145177	DelFlag		RA1950		PmRA1950	0.0118
DE1950		PmDE1950	0.036	Vmag	9.1	SpType	F8
Double code		Source	31	CatNum	5385	DM	BD-01 4115
DMcomp		BDsup		HD	201676	M HD	0
GC		RA1950rad	5.53539607	DE1950rad	-0.0211163	PmRA2000	0.012
PmDE2000	0.033

21112-0100 B

Componente originario normalizzato	AB		Coord arcsec 2000	211114.29-010020.8		Mag	18.54		PmRA	182.00
PmDE	47.0		Calc delta mag	9.26		Calc coord	yes