12437+4942 TDS 8505 (HD 233974)

12^h 43^m 40.16^s +49° 41' 46.0" P.A. 175.00 sep 0.5 mag 10.68,10.70 Sp G0

Coord 2000	12437+4942	Discov num	TDS8505	Comp		Coord arcsec 2000	12 43 40.16 +49 41 46.0
Date first	1991	Date last	2016	Obs	2
Pa first	212	Pa last	174.6	P.A. Now (θ)	174.6°
Sep first	0.4	Sep last	0.505	Sep. Now (ρ)	0.505"
Mag pri	10.68	Mag sec	10.70	delta mag (ΔM)	0.02	Spectral class	G0 (yellow)
Pri motion ra	-041	Sec motion ra	-041
Pri motion dec	-001	Sec motion dec	-001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 233974		Constellation	Canes Venatici		SAO	44303		Tycho2	3458-00610-1
Gaia DR2	1567592561154370560		HD	233974		DM	BD+50 1944

WDS 12437+4942 TDS 8505 (HD 233974) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho 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
12437+4942	TDS8505		1991	1	212	0.4	10.68	10.70			124340.16+494146.0
12437+4942	TDS8505		2016	2	175	0.5	10.68	10.70	G0		124340.16+494146.0

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

WDS 12437+4942 TDS 8505 (HD 233974) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12437+4942 TDS 8505 (HD 233974) : MEASURES

No records found.

WDS 12437+4942 (HD 233974) : VIRTUAL EYEPIECE

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WDS 12437+4942 (HD 233974) : ALADIN DSS IMAGE @ 12^h 43^m 40.16^s +49° 41' 46.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12437+4942 TDS 8505 (HD 233974) : 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		12437+4942	TDS8505		175	0.5
Show		12439+4950	BEM 1		204	9.6	10
Show		12417+4945	CVR 662		53	14.7	20
Show		12460+4949	STF1679	AB	208	5.9	24
Show		12460+4949	STF1679	AC	37	69.1	24
Show		12407+5030	SLW 754		10	75.2	56
Show		12412+5038	CBL 392		138	13.1	62
Show		12384+4906	TDS8466		183	0.5	63
Show		12508+5022	TDS8554		34	0.4	80
Show		12463+5105	WIS 205		173	999.9	87
Show		12420+5107	ES 728		332	6.3	88
Show		12416+4814	LDS4251		169	19.8	90
Show		12524+5017	COU2188		46	0.3	91
Show		12492+5055	ES 730		63	3.6	92
Show		12378+4815	TDS8461		159	0.6	104
Show		12383+4808	TDS8464		147	0.4	108
Show		12458+5129	DAM2484		342	2.3	110
Show		12524+4828	UC 2418		268	44.0	113
Show		12523+4822	YSC 100		145	0.3	117
Show		12417+5543	SHY 236	BE	350	999.9	119
Show		12526+5103	COU2189		100	0.9	120
Show		12442+5146	RDR 5		281	2.3	124
Show		12347+4808	ES 924		218	4.1	129
Show		12544+5058	SLW 793		128	32.9	129
Show		12427+4733	TDS8493		133	0.5	130
Show		12328+4828	LDS4227		299	8.1	131
Show		12397+4737	TDS8476		94	0.6	131
Show		12303+5023	LDS3047		190	96.8	136
Show		12579+4948	HU 641		300	0.1	139
Show		12317+4824	KPP1488		61	11.2	142
Show		12496+5151	LDS3061		4	141.0	142
Show		12332+4802	TDS8432		187	2.6	144
Show		12586+4951	HEI 163		234	1.0	145
Show		12452+4717	BVD 224		125	18.4	146
Show		12586+4916	BVD 225		143	20.4	149
Show		12500+4727	TDS8543		219	0.5	150
Show		12591+5008	KPP1873		260	14.6	151
Show		12522+4733	CVR 668		100	27.0	154
Show		12482+4714	LHS2637		169	0.8	155
Show		12363+4724	TDS8454		90	0.5	157
Show		12595+4901	BEM 3		205	18.1	161
Show		12288+5056	LDS3045		169	18.0	161
Show		12271+5017	WIS 203		123	167.2	164
Show		13001+5027	LEP 135		63	4.6	165
Show		12391+4702	CFN 9		110	0.5	166
Show		12500+4708	GIC 110		218	73.1	167
Show		12421+5227	LDS3055		8	13.8	167
Show		13012+4938	OSW 54		51	83.0	170
Show		12300+5132	BUP 143	AB	157	120.6	171
Show		12300+5132	BUP 143	AC	333	217.5	171
Show		12300+5132	LEP 56	AD	182	587.7	171

WDS 12437+4942 : COMPONENTS

	A
B	pa=176.5° sep=0.50"

12437+4942 A

Componente originario normalizzato	AB	Name	HD 233974	Coord arcsec 2000	124340.16+494146.0	Mag	10.68
Spectral class	G0 (yellow)	PmRA	-41.00	PmDE	-1.0	SAO	44303
Tycho2	3458-00610-1	HD	233974	DM	BD+50 1944

Tycho2

Tycho2	3458-00610-1	Pflag		RAmdeg	190.91729096	DEmdeg	49.69606299
PmRA	-40.9	PmDE	-0.8	E RAmdeg	15	E DEmdeg	14
E pmRA	1.4	E pmDE	1.4	EpRAm	1989.08	EpDEm	1989.31
Num	7	Q RAmdeg	0.7	Q DEmdeg	1.3	Q pmRA	0.6
Q pmDE	1.3	BTmag	10.733	E BTmag	0.030	VTmag	9.996
E VTmag	0.023	Prox	999	TYC	T	HIP
CCDM		RAdeg	190.91743639	DEdeg	49.69606583	EpRA 1990	1.62
EpDE 1990	1.63	E RAdeg	15.5	E DEdeg	15.0	Posflg
Corr	-0.2

SAO

SAO	44303	DelFlag		RA1950		PmRA1950	-0.0044
DE1950		PmDE1950	0.011	Vmag	9.2	SpType	G0
Double code		Source	37	CatNum	4130	DM	BD+50 1944
DMcomp		BDsup		HD	233974	M HD	0
GC		RA1950rad	3.3220312	DE1950rad	0.8721348	PmRA2000	-0.0041
PmDE2000	0.016

12437+4942 B

Componente originario normalizzato	AB		Coord arcsec 2000	124340.16+494145.5		Mag	10.7		PmRA	-41.00
PmDE	-1.0		Calc delta mag	0.02		Calc coord	yes