03170+3939 LDS 2840

03^h 16^m 57.14^s +39° 39' 18.3" P.A. 321.00 sep 32.2 mag 11.02,14.20 Sp F8

Coord 2000	03170+3939	Discov num	LDS2840	Comp		Coord arcsec 2000	03 16 57.14 +39 39 18.3
Date first	1957	Date last	2017	Obs	6
Pa first	319	Pa last	321.1	P.A. Now (θ)	321.1°
Sep first	32.0	Sep last	32.224	Sep. Now (ρ)	32.224"
Mag pri	11.02	Mag sec	14.20	delta mag (ΔM)	3.18	Spectral class	F8 (yellow-white)
Pri motion ra	+066	Sec motion ra	+062
Pri motion dec	-029	Sec motion dec	-030
Notes	V (Proper motion indicates physical)

rPM=0.057 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Perseus

Tycho2

2852-00399-1

Gaia DR2

235844526900819456

275090

WDS 03170+3939 LDS 2840 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
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
03170+3939	LDS2840		1998	2	321	32.2	11.02	14.20		D	031657.14+393918.3
03170+3939	LDS2840		2002	3	321	32.2	11.02	14.20		D	031657.14+393918.3
03170+3939	LDS2840		2010	4	322	31.6	11.02	14.20			031657.14+393918.3
03170+3939	LDS2840		2017	5	321	32.2	11.02	14.20	F8	V	031657.14+393918.3

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

WDS 03170+3939 LDS 2840 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 03170+3939 LDS 2840 : MEASURES

No records found.

WDS 03170+3939 : VIRTUAL EYEPIECE

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WDS 03170+3939 : ALADIN DSS IMAGE @ 03^h 16^m 57.14^s +39° 39' 18.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 03170+3939 LDS 2840 : 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		03170+3939	LDS2840		321	32.2
Show		03191+3934	MET 26	AB	287	7.7	26
Show		03191+3934	MET 26	AC	334	10.2	26
Show		03198+3956	LDS2841		344	17.0	37
Show		03135+3938	LDS2837		194	3.0	41
Show		03208+3943	RAO 187		294	0.8	45
Show		03136+3909	STF 364		311	11.7	50
Show		03171+4029	STF 369		29	3.6	50
Show		03155+4029	SKF 266		51	2.0	53
Show		03138+3856	ITF 85	AB	229	182.8	57
Show		03138+3856	ITF 85	AC	241	234.4	57
Show		03208+4015	ALI1032		260	7.8	57
Show		03203+3857	KPP 97		205	3.7	58
Show		03138+3854	ITF 91		263	5.4	59
Show		03138+3856	UC 43	BC	274	65.8	60
Show		03211+3902	ALI 775		192	12.5	61
Show		03155+3840	AG 64		238	8.8	62
Show		03177+3838	STT 53	AB	232	0.6	62
Show		03177+3838	TOK 237	AC	180	106.6	62
Show		03177+3838	RAO 10	Ca,Cb	222	1.6	64
Show		03200+3845	BRT2205		157	5.5	65
Show	Gorgonea quarta	03113+3937	BLL 10		112	180.8	66
Show		03176+4045	GRV 170		234	14.3	67
Show		03198+4038	GRV 171		323	23.8	68
Show		03223+4010	LDS2845		116	9.2	70
Show		03227+3922	MLB 918	AB	320	6.1	70
Show		03227+3922	MLB 918	AC	125	40.8	70
Show		03218+4028	LDS2844		244	80.1	73
Show		03166+3826	TDS2512		118	0.5	73
Show		03139+4047	COU1382		243	0.9	75
Show		03115+3900	UC 963		233	49.7	75
Show		03237+3946	ALI1033		284	5.8	78
Show		03128+3836	ALI 771		193	9.1	80
Show		03247+3946	LDS2847		164	65.6	90
Show		03234+3847	ALI 776		341	13.1	92
Show		03243+4014	GMZ 17	AB	131	57.3	92
Show		03243+4014	GMZ 17	AC	36	65.3	92
Show		03245+4014	GMZ 18		284	76.5	94
Show		03159+3805	WEY 1		259	1.0	96
Show		03250+4013	HU 1058		114	0.9	99
Show		03148+3802	TDS2495		258	0.5	101
Show		03085+3910	AG 62	BC	216	23.9	103
Show		03085+3910	AG 62	AB	34	10.7	103
Show		03085+3910	ABH 18	AD	320	66.2	103
Show		03085+3910	AG 62	AC	217	13.2	103
Show		03236+3829	LDS3486		98	289.4	104
Show		03251+4028	GMZ 19		230	3.3	106
Show		03123+3808	ES 2457		19	4.2	106
Show		03254+4021	MLB 820		66	2.2	106
Show		03254+4022	GMZ 20	AB	128	9.0	107
Show		03254+4022	GMZ 20	AC	37	23.5	107

WDS 03170+3939 : COMPONENTS

	A
B	pa=328.2° sep=29.52"

03170+3939 A

Componente originario normalizzato	AB		Coord arcsec 2000	031657.14+393918.3		Mag	11.02		Spectral class	F8 (yellow-white)
PmRA	66.00		PmDE	-29.0		Tycho2	2852-00399-1		HD	275090

Tycho2

Tycho2	2852-00399-1	Pflag		RAmdeg	49.23811804	DEmdeg	39.65510632
PmRA	62.9	PmDE	-28.4	E RAmdeg	36	E DEmdeg	38
E pmRA	2.2	E pmDE	2.1	EpRAm	1984.01	EpDEm	1982.30
Num	5	Q RAmdeg	0.8	Q DEmdeg	1.0	Q pmRA	0.8
Q pmDE	1.0	BTmag	11.807	E BTmag	0.095	VTmag	11.018
E VTmag	0.082	Prox	999	TYC	T	HIP
CCDM		RAdeg	49.23792639	DEdeg	39.65515444	EpRA 1990	1.83
EpDE 1990	1.62	E RAdeg	61.6	E DEdeg	77.9	Posflg
Corr	0.0

CCDM

Ccdm	03170+3939	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.87	DDEs	18.2
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	12.3	Sp		PmNote
PmRA	72	PmDE	-21	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	03105N3917A
HIC

03170+3939 B

Componente originario normalizzato	AB		Coord arcsec 2000	031655.79+393943.4		Mag	14.2		PmRA	62.00
PmDE	-30.0		Calc delta mag	3.18		Calc coord	yes

CCDM

Ccdm	03170+3939	RComp		Comp	B	Note1
Note2		Discov num	LDS2840	DRAs	-4.57	DDEs	43.8
R dRAs	65	Year	1957	Theta	319	Rho	32.0
Obs	1	Vmag	15.5	Sp		PmNote
PmRA	72	PmDE	-21	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	03105N3917B
HIC