12169-2228 LDS 399

12^h 16^m 48.60^s -22° 29' 10.7" P.A. 235.00 sep 10.7 mag 11.01,14.16 Sp K7V

Coord 2000	12169-2228	Discov num	LDS 399	Comp		Coord arcsec 2000	12 16 48.60 -22 29 10.7
Date first	1920	Date last	2016	Obs	9
Pa first	225	Pa last	235.1	P.A. Now (θ)	235.1°
Sep first	11.0	Sep last	10.715	Sep. Now (ρ)	10.715"
Mag pri	11.01	Mag sec	14.16	delta mag (ΔM)	3.15	Spectral class	K7V (yellow-orange)
Pri motion ra	-006	Sec motion ra	+002
Pri motion dec	-189	Sec motion dec	-166
Notes	N (See Notes)

rPM=0.129 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corvus

Tycho2

6108-00178-1

Gaia DR2

3514045832457321856

WDS 12169-2228 LDS 399 : NOTES

discov_num	notes	refcode
LDS 399	NLTT 30204/30203	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
12169-2228	LDS 399		2000	4	233	10.0	11.01	14.16		D	121648.60-222910.7
12169-2228	LDS 399		2010	6	236	10.2	11.01	14.16	K7V	N	121648.60-222910.7
12169-2228	LDS 399		2015	7	235	10.7	11.01	14.16	K7V	N	121648.60-222910.7
12169-2228	LDS 399		2016	9	235	10.7	11.01	14.16	K7V	N	121648.60-222910.7

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

WDS 12169-2228 LDS 399 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12169-2228 LDS 399 : MEASURES

No records found.

WDS 12169-2228 : VIRTUAL EYEPIECE

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WDS 12169-2228 : ALADIN DSS IMAGE @ 12^h 16^m 48.60^s -22° 29' 10.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12169-2228 LDS 399 : 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		12169-2228	LDS 399		235	10.7
Show		12165-2204	ARA1480		129	13.3	26
Show		12190-2253	RSS 285		311	18.1	40
Show		12206-2213	BU 605	CD	268	0.5	51
Show		12158-2321	BU 920		307	1.9	54
Show		12206-2213	BU 1245	AB	74	17.8	55
Show		12206-2213	BU 1245	A,CD	295	347.8	55
Show		12186-2139	UC 2312		69	33.4	56
Show		12122-2231	HU 133		316	1.5	64
Show		12189-2130	LDS 403		164	6.9	65
Show		12216-2220	DON1098		105	5.0	68
Show		12209-2152	DON 523		109	0.5	69
Show		12139-2133	DON 516		160	4.4	69
Show		12126-2147	LDS4190		73	33.5	73
Show		12116-2233	UC 2291		173	29.9	73
Show		12219-2140	DON 524		242	1.8	86
Show		12174-2103	DON 520		17	2.0	87
Show		12107-2213	NSN 100		357	3.3	87
Show		12168-2100	DON 519		114	0.4	89
Show		12160-2058	BRT1486		189	5.0	92
Show		12179-2401	BU 921	A,BC	221	3.4	93
Show		12179-2401	DON 521	BC	50	0.2	93
Show		12103-2203	UC 2287		233	32.6	94
Show		12229-2315	COO 285		21	7.6	96
Show		12122-2343	DON 515		40	1.3	99
Show		12235-2310	VVO 9		276	10.8	101
Show		12117-2358	HJ 4506		312	7.1	114
Show		12095-2324	WHC 10		22	12.6	116
Show		12246-2150	DON 525		80	4.5	116
Show		12215-2413	HWE 26	AB	150	4.5	123
Show		12215-2413	HWE 26	AC	207	13.2	123
Show		12215-2413	HWE 26	BC	230	11.3	123
Show		12120-2042	UC 2292		347	62.9	126
Show		12259-2221	KPP 272		253	3.8	127
Show		12149-2026	TDS8284		231	0.4	127
Show		12224-2414	B 2294		140	10.4	131
Show		12101-2401	DON 514		149	1.6	132
Show		12258-2314	TDS8378		120	1.5	133
Show		12254-2330	TDS8374		75	0.7	134
Show		12136-2017	B 2290		54	0.7	140
Show		12093-2403	ARA2177		157	13.1	140
Show		12147-2447	B 222		107	4.3	141
Show		12202-2015	B 2293		181	1.8	142
Show		12062-2247	ARA1790		152	47.6	148
Show		12235-2433	LDS 409		287	53.4	153
Show		12137-2457	HU 735		164	0.7	154
Show		12279-2311	DON 529		196	1.9	159
Show		12235-2015	HJ 4517		185	14.1	163
Show		12208-1954	SKF 433		292	6.4	166
Show		12113-1958	LDS 390		121	85.2	171
Show		12109-1959	KPP2730		137	3.5	171

WDS 12169-2228 : COMPONENTS

	A
B	pa=232.9° sep=10.17"

12169-2228 A

Componente originario normalizzato	AB		Coord arcsec 2000	121648.60-222910.7		Mag	11.01		Spectral class	K7V (yellow-orange)
PmRA	-6.00		PmDE	-189.0		Tycho2	6108-00178-1

Tycho2

Tycho2	6108-00178-1	Pflag		RAmdeg	184.20250792	DEmdeg	-22.48629985
PmRA	-8.2	PmDE	-190.0	E RAmdeg	61	E DEmdeg	68
E pmRA	2.8	E pmDE	2.9	EpRAm	1983.90	EpDEm	1982.69
Num	4	Q RAmdeg	0.0	Q DEmdeg	0.5	Q pmRA	0.0
Q pmDE	0.5	BTmag	12.405	E BTmag	0.231	VTmag	11.013
E VTmag	0.089	Prox	999	TYC	T	HIP
CCDM		RAdeg	184.20252833	DEdeg	-22.48585389	EpRA 1990	1.69
EpDE 1990	1.55	E RAdeg	65.0	E DEdeg	73.1	Posflg
Corr	0.1

12169-2228 B

Componente originario normalizzato	AB		Coord arcsec 2000	121648.01-222916.8		Mag	14.16		PmRA	2.00
PmDE	-166.0		Calc delta mag	3.15		Calc coord	yes