12015+3444 HDS 1689

12^h 01^m 28.22^s +34° 44' 08.1" P.A. 37.00 sep 0.1 mag 9.91,10.40 Sp F8 dist. 198.81 pc (648.52 l.y.)

Coord 2000	12015+3444	Discov num	HDS1689	Comp		Coord arcsec 2000	12 01 28.22 +34 44 08.1
Date first	1991	Date last	2012	Obs	4
Pa first	17	Pa last	36.9	P.A. Now (θ)	36.9°
Sep first	0.2	Sep last	0.136	Sep. Now (ρ)	0.136"
Mag pri	9.91	Mag sec	10.40	delta mag (ΔM)	0.49	Spectral class	F8 (yellow-white)
Pri motion ra	+003	Sec motion ra
Pri motion dec	+011	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ursa Major		HIP	58640		Tycho2	2529-00368-1		Gaia DR2	4028366203352254464
BD	BD+35 2302		Distance	198.81		Distance ly	648.52

WDS 12015+3444 HDS 1689 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (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
12015+3444	HDS1689		1991	1	17	0.2	9.91	10.40	F8		120128.22+344408.1
12015+3444	HDS1689		2012	3	77	0.1	9.91	10.40	F8		120128.22+344408.1

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

WDS 12015+3444 HDS 1689 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12015+3444 HDS 1689 : MEASURES

No records found.

WDS 12015+3444 : VIRTUAL EYEPIECE

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WDS 12015+3444 : ALADIN DSS IMAGE @ 12^h 01^m 28.22^s +34° 44' 08.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12015+3444 HDS 1689 : 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		12015+3444	HDS1689		37	0.1
Show		11598+3417	KPP2463		20	21.9	35
Show		12049+3437	LEP 48		296	20.0	43
Show		12051+3448	TDS8213		135	0.9	45
Show		12024+3538	STF1592		275	25.6	55
Show		12070+3421	ES 2224	AB	19	1.9	73
Show		12070+3421	SKF2582	AB,C	257	51.7	73
Show		11560+3520	CHR 258		49	0.1	77
Show		11563+3527	STT 241		147	1.8	77
Show		11583+3338	LDS5210		17	30.5	78
Show		11590+3313	TDS8148		150	0.6	97
Show		11593+3310	BU 919		15	4.9	98
Show		12036+3304	KU 101	AB	51	53.7	104
Show		12036+3304	SIN 69	AC	289	66.3	104
Show		12100+3451	SLW 688		205	11.2	106
Show		11572+3312	COU 939		27	0.3	106
Show		12032+3629	SKF2581		322	21.6	108
Show		11531+3518	UC 2229		18	49.5	109
Show		12095+3356	GRV 853		324	63.5	111
Show		12097+3536	UC 2284		308	24.7	114
Show		11536+3343	CVR1389		146	4.4	115
Show		12108+3439	RAO 273		288	0.6	116
Show		11574+3257	TDS8140		329	0.9	119
Show		12002+3644	STTA114		83	86.3	121
Show		12077+3305	RAO 272		330	0.3	126
Show		12042+3238	CVR 644		9	19.6	132
Show		12073+3253	ES 2470		138	4.0	133
Show		11580+3230	KPP 884		19	7.4	141
Show		12105+3316	CBL 376		304	13.8	144
Show		12133+3448	LDS4193		294	18.3	146
Show		12041+3707	HDS1697		289	3.5	147
Show		11504+3544	COU 964		60	1.4	147
Show		12126+3351	SKF2587		134	32.5	148
Show		12116+3605	STF1607	AB	28	27.0	148
Show		12116+3605	STF1607	AC	355	36.2	148
Show		12116+3605	STF1607	BC	310	20.4	149
Show		12126+3546	STF1613		7	1.2	150
Show		12113+3316	HJ 2600		341	11.7	150
Show		11497+3404	CVR1385		101	4.4	152
Show		11512+3322	ARG 101		273	45.8	152
Show		12112+3621	CVR1411		10	3.0	154
Show		12037+3715	CVR 642		201	10.6	154
Show		11519+3307	LEP 46		32	4.3	154
Show		11575+3709	GRV 846	AB	32	54.2	154
Show		11581+3216	BU 918	AB	236	6.9	154
Show		11581+3216	BU 918	AC	65	133.3	154
Show		11581+3216	WAL 59	AD	55	141.5	154
Show		12082+3227	HJ 844		352	12.7	162
Show		11485+3507	TDS8038		183	1.9	162
Show		11507+3312	SKF 8	AB	109	7.1	163
Show		11507+3312	RAO 579	Aa,Ab	120	0.6	163

WDS 12015+3444 : COMPONENTS

	A
B	pa=31.7° sep=0.13"

12015+3444 A

Componente originario normalizzato	AB	Coord arcsec 2000	120128.22+344408.1	Mag	9.91	Spectral class	F8 (yellow-white)
PmRA	3.00	PmDE	11.0	HIP	58640	Tycho2	2529-00368-1
BD	BD+35 2302

Tycho2

Tycho2	2529-00368-1	Pflag		RAmdeg	180.36758253	DEmdeg	34.73559844
PmRA	1.1	PmDE	10.8	E RAmdeg	7	E DEmdeg	10
E pmRA	1.2	E pmDE	1.4	EpRAm	1991.04	EpDEm	1990.33
Num	12	Q RAmdeg	1.6	Q DEmdeg	0.8	Q pmRA	1.7
Q pmDE	0.9	BTmag	9.890	E BTmag	0.020	VTmag	9.326
E VTmag	0.015	Prox	999	TYC	T	HIP	58640
CCDM	AB	RAdeg	180.36758056	DEdeg	34.73557333	EpRA 1990	1.83
EpDE 1990	1.68	E RAdeg	7.4	E DEdeg	9.6	Posflg	P
Corr	0.1

Hipparcos

Catalog	H	HIP	58640	Proxy	H	RAhms	12 01 28.22
DEdms	+34 44 08.1	Vmag	9.26	VarFlag		R Vmag	H
RAdeg	180.368	DEdeg	34.7356	AstroRef	*	Plx	5.58
CCDM	12015+3444	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	A	M HIP	AB
Theta	17	Rho	0.191	HD		BD	BD+35 2302
CD		CP		Dm number	+35 2302	VIred	0.67
SpType	F8	R SpType		Coord arcsec 2000	120128.22+344408.1

Hipparcos 2

HIP	58640	Sn	55	So	3	Nc	2
RArad	3.1480080958	DErad	0.6062501042	Plx	5.03	PmRA	1.98
PmDE	12.92	E RArad	1.08	E DErad	0.6	E Plx	1.37
E pmRA	1.32	E pmDE	0.83	Hpmag	9.3766	E Hpmag	0.0017
SHp	0.023	VA	0	BV	0.518	E BV	0.017
VI	0.59

CCDM

Ccdm	12015+3444	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.79	DDEs	8.1
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.9	Sp	F8	PmNote	*
PmRA	3	PmDE	11	Dm number	+35 2302	Cat1	BD
Name2	+35 1121	Cat2	AGK2/3	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	58640

12015+3444 B

Componente originario normalizzato	AB		Coord arcsec 2000	120128.23+344408.2		Mag	10.4		Calc delta mag	0.49
Calc coord	yes

CCDM

Ccdm	12015+3444	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	-1.78	DDEs	8.3
R dRAs	82	Year	1991	Theta	17	Rho	0.2
Obs	1	Vmag	10.4	Sp		PmNote	*
PmRA	3	PmDE	11	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	58640