02257+2846 UR 4 AB

02^h 25^m 40.18^s +28° 45' 58.0" P.A. 83.00 sep 6.3 mag 9.10,13.00 Sp K3: dist. 35.19 pc (114.79 l.y.)

Coord 2000	02257+2846	Discov num	UR 4	Comp	AB	Coord arcsec 2000	02 25 40.18 +28 45 58.0
Date first	1997	Date last	2016	Obs	8
Pa first	82	Pa last	82.5	P.A. Now (θ)	82.5°
Sep first	6.0	Sep last	6.254	Sep. Now (ρ)	6.254"
Mag pri	9.10	Mag sec	13.00	delta mag (ΔM)	3.9	Spectral class	K3: (yellow-orange)
Pri motion ra	+167	Sec motion ra	+172
Pri motion dec	-097	Sec motion dec	-091
Notes	V W (Proper motion indicates physical, )

rPM=0.04 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Triangulum		HIP	11317		Tycho2	1778-00038-1		BD	BD+28 413
Distance	35.19		Distance ly	114.79

WDS 02257+2846 UR 4 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
UR		USNO Robotic Astrometric Telescope (URAT)	...................
UR		(Note: A preliminary reduction of the first 2 years of URAT data is expected to be
UR		released in early 2015. However, any extraction of relative astrometry from URAT
UR		before the final data reduction would be premature. Accordingly, as was done with
UR		UCAC, no URAT-based measures will be added to the WDS database until the final
UR		version of the catalog has been released.)
UR_2015	Er j	Zacharias, N., Finch, C., Subasavage, J., Bredthauer, G., Crockett, C.,	2015AJ....150..101Z
UR_2015		Divittorio, M., Ferguson, E., Harris, F., Harris, H., Henden, A., Kilian, C.,
UR_2015		Munn, J., Rafferty, T., Rhodes, A., Schultheiss, M., Tilleman, T., & Wieder, G.
UR_2016	Er+ -	Finch, C.T. & Zacharias, N.	2016AJ....151..160F
UR_2016	+not	AJ 151, 160, 2017

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02257+2846	UR 4	AB	2015	7	83	6.2	9.10	13.00	K3:	VW	022540.18+284558.0
02257+2846	UR 4	AB	2016	8	83	6.3	9.10	13.00	K3:	VW	022540.18+284558.0

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

WDS 02257+2846 UR 4 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02257+2846 UR 4 AB : MEASURES

No records found.

WDS 02257+2846 : VIRTUAL EYEPIECE

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WDS 02257+2846 : ALADIN DSS IMAGE @ 02^h 25^m 40.18^s +28° 45' 58.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02257+2846 UR 4 AB : 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		02257+2846	UR 4	AB	83	6.3	1
Show		02225+2830	FAR 29		193	0.1	45
Show		02291+2835	KPP1694		36	13.1	47
Show		02245+2931	MLB 517		25	4.4	48
Show		02292+2904	A 965		212	1.9	51
Show		02219+2828	UC 31		194	25.3	54
Show		02255+2745	COU 458		300	1.2	62
Show		02282+2940	YSC 1		232	0.1	64
Show		02261+2742	BRT 129		359	1.8	65
Show		02276+2954	GMZ 12		53	2.2	73
Show		02235+2953	AZC 23		147	19.0	73
Show		02282+2952	STF 269	AB	345	1.7	75
Show		02268+3003	LDS3385	AB	92	222.3	80
Show		02268+3003	UC 740	AC	125	32.5	80
Show		02212+2751	COU 457		161	0.5	81
Show		02323+2834	A 2020	AB	38	3.3	88
Show		02323+2834	GII 124	Aa,Ab	138	0.1	88
Show		02222+2730	UC 724		306	47.6	89
Show		02190+2839	HJ 1115		205	58.3	89
Show		02211+2956	A 962		67	0.9	93
Show		02189+2914	HJL1015		77	71.9	94
Show		02202+2949	A 961		273	0.3	96
Show		02265+2710	COU 459		231	1.0	97
Show		02307+2724	UC 746		217	26.3	106
Show		02184+2757	COU 354		147	0.7	108
Show		02174+2845	STF 239	EC	212	14.0	109
Show		02249+3039	HDS 314	AB	257	0.3	114
Show		02249+3039	UC 733	AC	180	20.4	114
Show		02313+2714	GRV 132		46	26.2	119
Show		02286+2649	J 647		136	4.2	123
Show		02175+2732	BRT 128		119	5.5	131
Show		02166+2945	KPP 83		249	3.6	133
Show		02274+3059	INN 1	AB	316	22.0	135
Show		02354+2800	SKF1673		211	2.9	137
Show		02160+2940	MLB 740		340	6.4	138
Show		02201+3043	TDS2209		157	2.2	138
Show		02363+2834	A 2022		325	1.0	141
Show		02361+2924	HDS 338		308	0.5	142
Show		02363+2905	GRV 135		263	20.0	142
Show		02199+3047	A 960		317	1.1	143
Show		02170+2720	KPP3484		184	2.1	144
Show		02217+2631	A 2014		30	1.2	146
Show		02235+2623	KU 76		349	32.0	146
Show		02367+2908	COU 460		105	0.1	147
Show		02174+2708	LEP 7	AB	334	5.5	147
Show		02174+2708	GIC 30	AC	177	82.1	147
Show		02157+2957	MLB 738		275	9.1	149
Show		02143+2850	MLB 682		291	5.9	150
Show		02184+2651	SKF2813		113	5.7	150
Show		02291+3112	LDS3393		352	261.4	152
Show		02270+3117	HO 216		6	1.4	153

WDS 02257+2846 : COMPONENTS

	A
B	pa=81.5° sep=5.50"

02257+2846 A

Coord arcsec 2000	022540.18+284558.0		Mag	9.1		Spectral class	K3: (yellow-orange)		PmRA	167.00
PmDE	-97.0		HIP	11317		Tycho2	1778-00038-1		BD	BD+28 413

Tycho2

Tycho2	1778-00038-1	Pflag		RAmdeg	36.41740340	DEmdeg	28.76612733
PmRA	167.3	PmDE	-97.2	E RAmdeg	10	E DEmdeg	12
E pmRA	1.6	E pmDE	1.6	EpRAm	1990.95	EpDEm	1990.32
Num	5	Q RAmdeg	1.4	Q DEmdeg	1.8	Q pmRA	1.4
Q pmDE	1.8	BTmag	10.261	E BTmag	0.028	VTmag	9.153
E VTmag	0.017	Prox	999	TYC	T	HIP	11317
CCDM		RAdeg	36.41696861	DEdeg	28.76635000	EpRA 1990	1.82
EpDE 1990	1.76	E RAdeg	10.0	E DEdeg	13.2	Posflg
Corr	-0.2

Hipparcos

Catalog	H	HIP	11317	Proxy		RAhms	02 25 40.07
DEdms	+28 45 58.9	Vmag	9.04	VarFlag		R Vmag	H
RAdeg	36.4169	DEdeg	28.7664	AstroRef		Plx	28.1
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD		BD	BD+28 413
CD		CP		Dm number	+28 413	VIred	1.01
SpType	K8	R SpType		Coord arcsec 2000	022540.07+284558.9

Hipparcos 2

HIP	11317	Sn	5	So	0	Nc	1
RArad	0.6355955548	DErad	0.5020676561	Plx	28.42	PmRA	168.87
PmDE	-98.01	E RArad	0.91	E DErad	0.66	E Plx	1.15
E pmRA	1.36	E pmDE	0.99	Hpmag	9.1869	E Hpmag	0.002
SHp	0.02	VA	0	BV	0.963	E BV	0.002
VI	1.01

02257+2846 B

Coord arcsec 2000	022540.59+284558.8		Mag	13		PmRA	172.00		PmDE	-91.0
Calc delta mag	3.9		Calc coord	yes