12174-2731 UC 2308

12^h 17^m 25.91^s -27° 30' 48.8" P.A. 83.00 sep 67.4 mag 10.34,12.98 Sp K0

Coord 2000	12174-2731	Discov num	UC 2308	Comp		Coord arcsec 2000	12 17 25.91 -27 30 48.8
Date first	1998	Date last	2016	Obs	6
Pa first	83	Pa last	83.3	P.A. Now (θ)	83.3°
Sep first	67.3	Sep last	67.392	Sep. Now (ρ)	67.392"
Mag pri	10.34	Mag sec	12.98	delta mag (ΔM)	2.64	Spectral class	K0 (yellow-orange)
Pri motion ra	-094	Sec motion ra	-094
Pri motion dec	-017	Sec motion dec	-017
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Hydra		SAO	180649		Tycho2	6689-00536-1		Gaia DR2	3475775509186528768
DM	BD+07 2529

WDS 12174-2731 UC 2308 : NOTES

No records found.

DISCOVERER

discov	author
UC	USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4)
UC	Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G.,
UC	& Zacharias, M.I. (UCAC4 Catalog)
UC	Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C.,
UC	DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC	Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
12174-2731	UC 2308		1999	2	83	67.3	10.10	13.00			V	121725.91-273048.8
12174-2731	UC 2308		2000	2	83	67.4	10.10	13.00			V	121725.91-273048.8
12174-2731	UC 2308		2010	3	83	67.4	10.34	12.98	K0		V	121725.91-273048.8
12174-2731	UC 2308		2015	4	83	67.4	10.34	12.98	K0		V	121725.91-273048.8
12174-2731	UC 2308		2016	6	83	67.4	10.34	12.98	K0		V	121725.91-273048.8

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

WDS 12174-2731 UC 2308 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12174-2731 UC 2308 : MEASURES

No records found.

WDS 12174-2731 : VIRTUAL EYEPIECE

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

WDS 12174-2731 : ALADIN DSS IMAGE @ 12^h 17^m 25.91^s -27° 30' 48.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12174-2731 UC 2308 : 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		12174-2731	UC 2308		83	67.4	0
Show		12191-2726	HJ 4514		140	15.4	24
Show		12155-2738	B 223		11	1.4	27
Show		12163-2706	HJ 4509	CD	288	8.1	29
Show		12163-2706	DAW 102	AB	356	2.3	29
Show		12163-2706	HJ 4509	AC	112	28.0	29
Show		12157-2709	TDS8288		54	0.4	33
Show		12137-2719	B 221		103	0.3	52
Show		12134-2752	RST1655		55	0.5	58
Show		12199-2644	B 2292		338	12.7	58
Show		12216-2716	B 227		336	0.2	58
Show		12131-2745	TDS8270		131	0.8	60
Show		12177-2836	KPP2151		264	17.6	66
Show		12205-2829	TDS8339		93	0.6	71
Show		12121-2800	RST1653		246	1.6	78
Show		12163-2612	TDS8295		254	0.4	80
Show		12111-2743	UC 2289		140	60.5	86
Show		12167-2605	DON 518		119	0.7	87
Show		12199-2852	TDS8333		111	0.6	88
Show		12168-2859	B 224		151	0.8	89
Show		12110-2702	LDS 389		283	8.1	92
Show		12170-2903	KPP2134		272	17.4	93
Show		12239-2812	SKF1120		273	16.2	95
Show		12203-2909	RST1661		49	0.7	106
Show		12121-2856	RST1654		112	2.2	111
Show		12248-2827	BRT2993		46	4.1	113
Show		12259-2740	BUG 2		250	0.3	114
Show		12205-2920	UC 2320		79	18.6	117
Show		12211-2916	B 226		223	6.2	117
Show		12087-2804	SKF1914		265	18.8	121
Show		12258-2818	KPP2504		220	22.5	121
Show		12257-2825	STN 23	AB	298	34.4	122
Show		12257-2825	SKF1918	AC	278	8.9	122
Show		12201-2534	B 225		73	0.5	123
Show		12095-2625	NSN 99		328	7.5	125
Show		12082-2706	UC 2278	AB	328	56.3	126
Show		12082-2706	UC 2278	BC	284	27.6	127
Show		12160-2937	DAW 138		317	1.0	128
Show		12271-2726	J 1603		59	8.7	129
Show		12169-2942	LDS 400		199	6.5	133
Show		12150-2946	I 81		343	2.7	140
Show		12268-2630	UC 2340		297	10.4	140
Show		12221-2940	TDS8351		66	0.5	144
Show		12267-2850	FOX 174		311	13.9	146
Show		12071-2830	UC 2276		57	15.1	149
Show		12110-2934	BRT2991		132	5.4	150
Show		12274-2843	B 228		130	0.3	151
Show		12288-2706	B 229		278	1.0	154
Show		12059-2717	B 219		299	1.3	154
Show		12269-2904	RSS 287		42	7.6	157
Show		12137-2457	HU 735		164	0.7	162

WDS 12174-2731 : COMPONENTS

	A
B	pa=83.3° sep=67.39"

12174-2731 A

Coord arcsec 2000	121725.91-273048.8		Mag	10.34		Spectral class	K0 (yellow-orange)		PmRA	-94.00
PmDE	-17.0		SAO	119308		Tycho2	6689-00536-1		DM	BD+07 2529

Tycho2

Tycho2	6689-00536-1	Pflag		RAmdeg	184.35797608	DEmdeg	-27.51357966
PmRA	-89.9	PmDE	-21.8	E RAmdeg	19	E DEmdeg	25
E pmRA	1.6	E pmDE	1.6	EpRAm	1986.71	EpDEm	1981.54
Num	7	Q RAmdeg	1.3	Q DEmdeg	0.8	Q pmRA	1.2
Q pmDE	0.8	BTmag	11.145	E BTmag	0.052	VTmag	10.342
E VTmag	0.038	Prox	999	TYC	T	HIP
CCDM		RAdeg	184.35821000	DEdeg	-27.51352389	EpRA 1990	1.70
EpDE 1990	1.27	E RAdeg	21.4	E DEdeg	32.9	Posflg
Corr	-0.1

SAO

SAO	119308	DelFlag		RA1950		PmRA1950	0.0023
DE1950		PmDE1950	-0.047	Vmag	8.7	SpType	F2
Double code		Source	32	CatNum	6068	DM	BD+07 2529
DMcomp		BDsup		HD	106877	M HD	0
GC		RA1950rad	3.20658496	DE1950rad	0.12006471	PmRA2000	0.0025
PmDE2000	-0.043

12174-2731 B

Coord arcsec 2000	121730.94-273040.9		Mag	12.98		PmRA	-94.00		PmDE	-17.0
Delta magnitude	2.64		Coordinate calculated	yes