11254+7817 LDS 920

11^h 25^m 29.45^s +78° 15' 56.6" P.A. 328.00 sep 72.9 mag 12.19,12.63 Sp M3

Coord 2000	11254+7817	Discov num	LDS 920	Comp		Coord arcsec 2000	11 25 29.45 +78 15 56.6
Date first	1936	Date last	2016	Obs	8
Pa first	327	Pa last	328.4	P.A. Now (θ)	328.4°
Sep first	74.0	Sep last	72.909	Sep. Now (ρ)	72.909"
Mag pri	12.19	Mag sec	12.63	delta mag (ΔM)	0.44	Spectral class	M3 (red)
Pri motion ra	-638	Sec motion ra	-642
Pri motion dec	-172	Sec motion dec	-202
Notes	N (See Notes)

rPM=0.045 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Tycho2

4552-00008-1

BD+78 3815

WDS 11254+7817 LDS 920 : NOTES

discov_num	notes	refcode
LDS 920	LDS1732.
	NLTT 27306/27303	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
11254+7817	LDS 920		2000	5	328	72.5	12.19	12.56	M3	N D	112529.45+781556.6
11254+7817	LDS 920		2010	6	328	72.9	12.19	12.63	M3	N	112529.45+781556.6
11254+7817	LDS 920		2015	6	328	72.9	12.19	12.63	M3	N	112529.45+781556.6
11254+7817	LDS 920		2016	8	328	72.9	12.19	12.63	M3	N	112529.45+781556.6

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

WDS 11254+7817 LDS 920 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 11254+7817 LDS 920 : MEASURES

No records found.

WDS 11254+7817 : VIRTUAL EYEPIECE

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

WDS 11254+7817 : ALADIN DSS IMAGE @ 11^h 25^m 29.45^s +78° 15' 56.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 11254+7817 LDS 920 : 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		11254+7817	LDS 920		328	72.9
Show		11313+7814	LDS1734		208	2.8	18
Show		11200+7823	MLR 527		236	3.2	19
Show		11360+7831	LDS1737	AB	355	116.8	36
Show		11360+7831	NVL 2	AC	81	122.6	36
Show		11094+7833	WIS 180		326	436.6	52
Show		11412+7753	MLR 528		239	5.9	54
Show		11134+7737	MLR 526		312	0.7	55
Show		11228+7722	TOK 279		275	299.4	55
Show		11061+7837	LDS1726		16	18.3	63
Show		11434+7739	LOC 341		271	4.0	68
Show		11436+7902	WIS 190	AC	341	660.3	71
Show		11423+7729	TDS8002		274	1.0	71
Show		11115+7702	LDS1729		315	33.4	86
Show		11407+7939	LOC 342		297	3.1	95
Show		11171+7643	MLR 325		314	0.1	97
Show		11404+7943	LOC 345		27	1.5	98
Show		11278+7636	LOC 331		354	6.4	100
Show		11360+7634	LDS1736		177	1.8	105
Show		11137+7636	LOC 357	BC	187	13.7	107
Show		11137+7636	LOC 357	AB	13	1.0	107
Show		11137+7636	LOC 357	AC	187	12.7	107
Show		11287+8003	LOC 333		256	10.4	108
Show		11228+7625	HJ 1186		285	14.7	112
Show		11241+7623	HJ 1187	AB	179	19.2	113
Show		11241+7623	WNO 41	AC	145	30.9	113
Show		11241+7623	WNO 41	AD	9	28.4	113
Show		11241+7623	WNO 41	AE	218	39.9	113
Show		11249+7620	HJ 1188		34	20.7	116
Show		11089+7627	HU 886		350	1.2	125
Show		11237+8041	LOC 334		310	59.6	145
Show		11323+7552	TDS7911		131	1.0	147
Show		11071+7556	HJ 1183		149	20.2	153
Show		11204+7543	LDS1730		270	5.4	155
Show		11195+8053	LOC 325		68	1.6	158
Show		11303+8102	STF1539		313	19.4	167
Show		11360+7533	FMR 222	AB	90	399.0	167
Show		11360+7533	KPP3242	Aa,Ab	131	3.0	167
Show		11081+7534	TDS7689		301	0.4	172
Show		11119+7529	TDS7726		132	0.5	173
Show		11386+7511	MLR 425		247	1.9	191
Show		11378+7508	TDS7966		356	0.7	193
Show		11377+8129	TDS7964		86	2.3	196
Show		11059+7454	CRB 188		82	7.4	213
Show		11253+7433	SLW 599		130	11.8	224
Show		11058+7440	MLR 423		214	0.7	227
Show		11106+8216	TDS7713		93	2.1	243
Show		11279+7411	CLO 6		80	0.2	245
Show		11346+8238	LOC 335		181	3.2	263
Show		11083+8245	LOC 326		73	14.0	272
Show		11207+7343	CVR 605		249	18.0	273

WDS 11254+7817 : COMPONENTS

	A
B	pa=352.9° sep=62.58"

11254+7817 A

Componente originario normalizzato	AB		Coord arcsec 2000	112529.45+781556.6		Mag	12.19		Spectral class	M3 (red)
PmRA	-638.00		PmDE	-172.0		Tycho2	4552-00008-1		DM	BD+78 3815

Tycho2

Tycho2	4552-00008-1	Pflag		RAmdeg	171.37268865	DEmdeg	78.26571542
PmRA	-638.2	PmDE	-172.4	E RAmdeg	57	E DEmdeg	69
E pmRA	3.5	E pmDE	3.6	EpRAm	1989.62	EpDEm	1988.25
Num	3	Q RAmdeg	0.4	Q DEmdeg	1.0	Q pmRA	0.4
Q pmDE	1.0	BTmag	13.988	E BTmag	0.377	VTmag	12.193
E VTmag	0.159	Prox	999	TYC		HIP
CCDM		RAdeg	171.37997611	DEdeg	78.26613278	EpRA 1990	1.69
EpDE 1990	1.71	E RAdeg	96.5	E DEdeg	103.9	Posflg
Corr	-0.1

11254+7817 B

Componente originario normalizzato	AB		Coord arcsec 2000	112526.90+781658.7		Mag	12.63		PmRA	-642.00
PmDE	-202.0		Calc delta mag	0.44		Calc coord	yes