20504+4525 LDS 5912

20^h 50^m 21.23^s +45° 24' 59.2" P.A. 252.00 sep 17.4 mag 10.72,19.00 Sp C

Coord 2000	20504+4525	Discov num	LDS5912	Comp		Coord arcsec 2000	20 50 21.23 +45 24 59.2
Date first	1960	Date last	2014	Obs	4
Pa first	249	Pa last	252.3	P.A. Now (θ)	252.3°
Sep first	16.0	Sep last	17.438	Sep. Now (ρ)	17.438"
Mag pri	10.72	Mag sec	19.00	delta mag (ΔM)	8.28	Spectral class	C (red carbon star)
Pri motion ra	-001	Sec motion ra
Pri motion dec	-007	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2163262155255760896

WDS 20504+4525 LDS 5912 : 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
20504+4525	LDS5912		1960	1	249	16.0	13.30	21.00			205019.00+452506.0
20504+4525	LDS5912		2000	2	255	16.9	10.72	19.00	C		205021.23+452459.2
20504+4525	LDS5912		2014	4	252	17.4	10.72	19.00	C		205021.23+452459.2

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

WDS 20504+4525 LDS 5912 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20504+4525 LDS 5912 : MEASURES

No records found.

WDS 20504+4525 : VIRTUAL EYEPIECE

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WDS 20504+4525 : ALADIN DSS IMAGE @ 20^h 50^m 21.23^s +45° 24' 59.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20504+4525 LDS 5912 : 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		20504+4525	LDS5912		252	17.4	1
Show		20500+4521	ES 2702		348	8.6	6
Show		20514+4519	ARG 40		250	9.2	13
Show		20492+4525	COU2646		266	0.4	13
Show		20490+4525	SMA 120		313	4.3	15
Show		20489+4537	HDS2965		282	0.1	20
Show		20504+4518	SMA 121		32	11.6	20
Show		20519+4537	SMA 122		262	7.4	21
Show		20485+4519	LDS2456		236	18.0	24
Show		20511+4459	LDS2459		228	43.7	27
Show		20494+4458	GRV 384		222	22.1	29
Show		20527+4547	TDT2597		327	1.3	33
Show		20473+4535	HO 280		75	11.7	34
Show		20535+4523	HDS2975		191	0.2	34
Show		20494+4452	TDS1103		200	0.8	35
Show		20528+4551	COU2647		225	0.4	37
Show		20542+4508	LDS5915		43	18.0	44
Show		20489+4607	HJ 1581		170	22.4	45
Show		20494+4613	ES 670		81	6.5	49
Show		20527+4607	A 750		211	0.1	49
Show		20464+4551	CVR 230		7	112.9	50
Show		20541+4507	STT 422		332	2.6	50
Show		20521+4438	HER 18		85	60.7	51
Show		20461+4452	ES 30		57	17.1	56
Show		20538+4443	LDS5914		124	6.2	57
Show		20549+4451	LDS2466		287	4.8	59
Show		20459+4448	ES 2701		81	50.9	60
Show		20525+4430	BRT2279		5	4.5	60
Show		20556+4453	COU2648		21	1.3	64
Show		20509+4421	CHN 30	AB	92	2.7	64
Show		20509+4421	CHN 30	Aa,Ab	108	0.6	64
Show		20508+4628	BRT2276	AB	254	3.7	65
Show		20508+4628	FYM 314	AC	149	9.5	65
Show		20508+4628	FYM 314	AD	86	11.2	65
Show		20506+4421	CHN 29		52	5.3	65
Show		20472+4427	COU2424		255	0.5	67
Show		20547+4614	YSC 163		101	0.7	67
Show		20440+4521	KPP3361		134	2.2	68
Show		20558+4448	ES 674		94	5.6	69
Show		20532+4423	LSC 94		183	0.3	69
Show		20501+4635	ES 671		91	1.6	70
Show		20512+4415	CHN 31		47	6.7	71
Show		20565+4452	LDS2470		306	13.5	73
Show		20436+4514	CBL 85		166	17.7	73
Show		20566+4455	TRN 30		30	3.8	73
Show		20563+4447	ES 675	BC	108	3.7	73
Show		20563+4447	ES 675	AB	272	97.4	74
Show		20539+4632	ES 673		76	5.2	75
Show		20499+4640	BU 250		7	18.3	75
Show		20456+4621	HDS2955		289	0.4	75
Show		20565+4447	TOB 203		329	15.8	76

WDS 20504+4525 : COMPONENTS

	A
B	pa=245.6° sep=12.81"

20504+4525 A

Componente originario normalizzato	AB		Coord arcsec 2000	205021.23+452459.2		Mag	10.72		Spectral class	C (red carbon star)
PmRA	-1.00		PmDE	-7.0

20504+4525 B

Componente originario normalizzato	AB		Coord arcsec 2000	205020.12+452453.9		Mag	19		Calc delta mag	8.28
Calc coord	yes