08169+5503 LDS 3780 BC

08^h 17^m 02.64^s +55° 03' 44.7" P.A. 110.00 sep 31.0 mag 17.30,17.50 Sp M2.4+M2.6

Coord 2000	08169+5503	Discov num	LDS3780	Comp	BC	Coord arcsec 2000	08 17 02.64 +55 03 44.7
Date first	1960	Date last	2016	Obs	11
Pa first	111	Pa last	109.6	P.A. Now (θ)	109.6°
Sep first	31.0	Sep last	31.006	Sep. Now (ρ)	31.006"
Mag pri	17.30	Mag sec	17.50	delta mag (ΔM)	0.2	Spectral class	M2.4+M2.6 (red/red)
Pri motion ra	-019	Sec motion ra	-019
Pri motion dec	-107	Sec motion dec	-107
Notes	N (See Notes)

Nature of this double is uncertain.

08169+5503 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		26752	08 16 56 +55 02 22	LDS 3780 AB	2015	7	34	99.2	9.43	17.30	7.87
Show			08 17 03 +55 03 45	LDS 3780 BC	2016	11	110	31.0	17.30	17.50	0.20		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lynx

Gaia DR2

1033059004714719872

WDS 08169+5503 LDS 3780 BC : NOTES

discov_num	notes	refcode
LDS3780	BC: SLW 231.

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
08169+5503	LDS3780	BC	1998	2	110	31.0	17.50	17.70		D	081702.64+550344.7
08169+5503	LDS3780	BC	2003	3	110	31.0	17.30	17.50		D	081702.64+550344.7
08169+5503	LDS3780	BC	2015	6	110	31.0	17.30	17.50	M2.4+M2.6	N	081702.64+550344.7
08169+5503	LDS3780	BC	2016	11	110	31.0	17.30	17.50	M2.4+M2.6	N	081702.64+550344.7

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

WDS 08169+5503 LDS 3780 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08169+5503 LDS 3780 BC : MEASURES

No records found.

WDS 08169+5503 : VIRTUAL EYEPIECE

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

WDS 08169+5503 : ALADIN DSS IMAGE @ 08^h 17^m 02.64^s +55° 03' 44.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08169+5503 LDS 3780 BC : 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		08169+5503	LDS3780	BC	110	31.0
Show		08169+5503	LDS3780	AB	34	99.2	2
Show		08136+5428	STI2203		93	6.4	47
Show		08140+5423	STI2204		210	11.0	49
Show		08243+5439	SKF 632		262	1.1	68
Show		08161+5355	STI2205		1	7.8	70
Show		08201+5611	SLW 238		158	8.1	72
Show		08102+5548	A 1335	AB	243	1.4	74
Show		08102+5548	SHY 524	AC	152	999.9	74
Show		08194+5627	STF1205		166	1.8	86
Show		08149+5339	TDS5642		114	0.5	87
Show		08095+5406	CBL 244		181	64.7	87
Show		08078+5541	SKF 570		273	1.2	88
Show		08108+5618	MLB 122		223	3.7	91
Show		08251+5603	STI2206		291	4.1	91
Show		08108+5338	CVR 75		342	113.8	102
Show		08066+5554	CRC 54		237	0.2	102
Show		08210+5328	ES 908		330	2.6	103
Show		08282+5428	LDS3791		288	3.0	103
Show		08286+5439	MLR 672		107	0.1	104
Show		08071+5407	A 1333		205	0.4	104
Show		08178+5319	HJ 2434		48	16.8	106
Show		08095+5339	MLR 698		33	1.0	108
Show		08130+5321	HJ 2430	BC	186	8.5	109
Show		08046+5445	STF1172		244	1.7	109
Show		08130+5321	HJ 2430	AB	311	19.6	109
Show		08130+5321	ABH 70	AD	72	64.5	109
Show		08196+5316	ES 714		194	7.8	110
Show		08144+5652	KPP2575		18	23.3	111
Show		08052+5422	TDS5510		97	0.6	111
Show		08136+5316	ES 71		284	3.1	112
Show		08081+5627	HDS1154	Aa,Ab	298	0.1	113
Show		08081+5627	A 1334	AB	247	4.8	113
Show		08081+5336	LDS3774		284	96.5	118
Show		08208+5657	HDS1186		167	0.1	118
Show		08220+5314	MLR 699		33	0.3	119
Show		08161+5706	BUP 113	BC	156	100.3	121
Show		08279+5347	UC 1675		82	9.5	122
Show		08161+5706	ENG 34	AB	143	127.4	123
Show		08161+5706	GIC 79	AD	148	59.9	123
Show		08072+5635	A 1332		31	4.9	124
Show		08047+5356	TDS5504		137	2.4	128
Show		08311+5551	TDS5892		14	0.5	130
Show		08021+5437	STF1165	AB	318	0.2	132
Show		08021+5437	STF1165	AB,C	277	217.5	132
Show		08196+5716	TDS5719		336	1.7	134
Show		08331+5521	STF1234	AB	65	24.7	139
Show		08298+5631	STI2208		271	7.2	139
Show		08085+5305	RAO 566		141	1.2	141
Show		08338+5541	SLW 262		92	26.0	148
Show		08130+5729	UC 1652		158	21.0	150

WDS 08169+5503 : COMPONENTS

	A	B
B	pa=33.5° sep=98.99"
C	pa=44.6° sep=101.47"	pa=121.9° sep=19.70"

08169+5503 A

Coord arcsec 2000	081656.29+550222.1	Mag	9.43	Spectral class	F8 (yellow-white)	PmRA	-68.00
PmDE	-108.0	SAO	26752	Tycho2	3799-00311-1	HD	237690
DM	BD+55 1263

Tycho2

Tycho2	3799-00311-1	Pflag		RAmdeg	124.23457253	DEmdeg	55.03949520
PmRA	-68.2	PmDE	-109.2	E RAmdeg	12	E DEmdeg	13
E pmRA	1.5	E pmDE	1.6	EpRAm	1990.03	EpDEm	1989.95
Num	8	Q RAmdeg	0.9	Q DEmdeg	1.3	Q pmRA	0.9
Q pmDE	1.3	BTmag	10.059	E BTmag	0.027	VTmag	9.434
E VTmag	0.020	Prox	999	TYC	T	HIP
CCDM		RAdeg	124.23484639	DEdeg	55.03974333	EpRA 1990	1.80
EpDE 1990	1.77	E RAdeg	13.3	E DEdeg	14.2	Posflg
Corr	0.1

SAO

SAO	26752	DelFlag		RA1950		PmRA1950	-0.0085
DE1950		PmDE1950	-0.104	Vmag	8.9	SpType	F8
Double code		Source	38	CatNum	5457	DM	BD+55 1263
DMcomp		BDsup		HD	237690	M HD	0
GC		RA1950rad	2.15135738	DE1950rad	0.96334524	PmRA2000	-0.0085
PmDE2000	-0.101

08169+5503 B

Coord arcsec 2000	081702.64+550344.7		Coord calc	081702.64+550344.7		Mag	17.3		Spectral class	M2.4 (red)
PmRA	-19.00		PmDE	-107.0		Calc delta mag	7.87

08169+5503 C

Coord arcsec 2000	081704.59+550334.3		Mag	17.5		Spectral class	M2.6 (red)		PmRA	-19.00
PmDE	-107.0		Calc delta mag	8.07		Calc coord	yes