12039+4257 LDS 4174

12^h 03^m 58.69^s +42° 56' 19.4" P.A. 226.00 sep 16.9 mag 14.06,16.50

Coord 2000	12039+4257	Discov num	LDS4174	Comp		Coord arcsec 2000	12 03 58.69 +42 56 19.4
Date first	1960	Date last	2016	Obs	13
Pa first	226	Pa last	226.4	P.A. Now (θ)	226.4°
Sep first	17.0	Sep last	16.944	Sep. Now (ρ)	16.944"
Mag pri	14.06	Mag sec	16.50	delta mag (ΔM)	2.44	Spectral class
Pri motion ra	-021	Sec motion ra	-014
Pri motion dec	-193	Sec motion dec	-196
Notes	N (See Notes)

rPM=0.039 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ursa Major

Gaia DR2

1537716425044088704

WDS 12039+4257 LDS 4174 : NOTES

discov_num	notes	refcode
LDS4174	NLTT 29456/29454	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
12039+4257	LDS4174		2000	4	226	16.9	14.06	16.50		D	120358.69+425619.4
12039+4257	LDS4174		2002	5	226	16.9	14.06	16.50		N D	120358.69+425619.4
12039+4257	LDS4174		2010	6	226	16.9	14.06	16.50		N	120358.69+425619.4
12039+4257	LDS4174		2015	7	226	16.9	14.06	16.50		N	120358.69+425619.4
12039+4257	LDS4174		2016	13	226	16.9	14.06	16.50		N	120358.69+425619.4

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

WDS 12039+4257 LDS 4174 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12039+4257 LDS 4174 : MEASURES

No records found.

WDS 12039+4257 : VIRTUAL EYEPIECE

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

WDS 12039+4257 : ALADIN DSS IMAGE @ 12^h 03^m 58.69^s +42° 56' 19.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12039+4257 LDS 4174 : 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		12039+4257	LDS4174		226	16.9
Show		12038+4238	KZA 25		287	35.5	19
Show		12021+4303	FOR 1	BC	339	227.3	19
Show		12040+4236	SKF2643		52	10.3	21
Show		12021+4303	FOR 1	AB	62	274.4	22
Show		12021+4303	FOR 1	AD	268	363.2	22
Show		12021+4303	ARN 5	AC	25	375.9	22
Show		12021+4303	HDS1690	Da,Db	86	0.6	28
Show		12051+4322	KZA 26		106	16.9	30
Show		12065+4320	KZA 27		147	36.3	38
Show		12073+4306	HJ 2596		235	34.3	39
Show		12080+4242	A 1998		349	0.3	47
Show		12028+4205	BFR 7		43	7.7	54
Show		12006+4337	STF1589		158	2.2	56
Show		11590+4240	PKO 32		233	0.3	58
Show		12044+4356	TDS8204		173	0.5	60
Show		12010+4347	A 1779		22	0.6	61
Show		12054+4154	CVR1405		88	3.7	65
Show		12013+4158	CVR 640		49	12.1	66
Show		12097+4327	UC 168		347	59.2	71
Show		11575+4251	UC 2238		44	5.1	71
Show		11577+4320	BVD 219		27	46.0	73
Show		12083+4354	ES 2641		260	16.2	76
Show		12083+4153	CBL 592		66	12.0	79
Show		12062+4139	SKF2699		357	17.3	81
Show		12026+4418	BVD 221		239	12.9	83
Show		12051+4134	HDS1703		325	0.4	84
Show		11563+4302	SKF2638		260	11.4	85
Show		12114+4334	LDS4186	AB	256	124.9	90
Show		12114+4334	LDS4186	AC	229	10.3	90
Show		11559+4309	LDS4159		273	27.3	90
Show		11583+4150	BVD 220		42	19.2	92
Show		12035+4124	BU 1323	AB	322	2.1	93
Show		12035+4124	STF1594	AC	142	11.0	93
Show		12035+4124	STF1594	AD	71	27.2	93
Show		12121+4340	DVG 37		72	38.0	99
Show		12026+4117	HDS1692		211	0.1	101
Show		12003+4124	SKF2696		60	11.1	102
Show		12091+4128	SKF2700		80	11.6	105
Show		11536+4255	STT 240		318	8.4	114
Show		11534+4317	ES 1154		338	3.5	117
Show		12068+4450	WSI 116	AB	285	4.8	118
Show		12068+4450	FAR 13	BC	280	84.3	118
Show		12001+4107	LDS5212		173	7.2	119
Show		12148+4307	UC 2302		210	65.6	120
Show		12035+4054	SKF2642		205	53.2	123
Show		12010+4058	SKF2641		66	5.4	124
Show		12112+4121	ES 1248		76	1.9	126
Show		11539+4159	CVR1390		82	3.9	126
Show		11528+4336	A 1776	AB	206	1.8	128
Show		11528+4336	A 1776	AC	205	21.7	128

WDS 12039+4257 : COMPONENTS

	A
B	pa=217.6° sep=14.74"

12039+4257 A

Componente originario normalizzato	AB		Coord arcsec 2000	120358.69+425619.4		Mag	14.06		PmRA	-21.00
PmDE	-193.0

12039+4257 B

Componente originario normalizzato	AB		Coord arcsec 2000	120357.87+425607.7		Mag	16.5		PmRA	-14.00
PmDE	-196.0		Calc delta mag	2.44		Calc coord	yes