20548+1642 ROE 126

20^h 55^m 11.98^s +16° 40' 45.2" P.A. 138.00 sep 9.7 mag 12.00,10.50

Coord 2000	20548+1642	Discov num	ROE 126	Comp		Coord arcsec 2000	20 55 11.98 +16 40 45.2
Date first	1918	Date last	2015	Obs	7
Pa first	150	Pa last	138	P.A. Now (θ)	138°
Sep first	6.7	Sep last	9.663	Sep. Now (ρ)	9.663"
Mag pri	12.00	Mag sec	10.50	delta mag (ΔM)	1.5	Spectral class
Pri motion ra	-026	Sec motion ra	+007
Pri motion dec	-037	Sec motion dec	-007
Notes

rPM=0.986

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Tycho2

1647-01418-1

Gaia DR2

1764406272101239168

WDS 20548+1642 ROE 126 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Roe1908	Ma -	Roe, E.D.	1908AN....178..169R
Roe1908		AN 178, 169, 1908
Roe1909	Ma -	Roe, E.D.	1909AN....181..285R
Roe1909		AN 181, 285, 1909
Roe1910a	Ma -	Roe, E.D.	1910AJ.....26...93R
Roe1910a		AJ 26, 93, 1910
Roe1910b	Ma j	Roe, E.D.	...................
Roe1910b		Journal Astronomique 1, no. 4, 25, 1910
Roe1910c	Ma -	Roe, E.D.	1910AN....183..197R
Roe1910c		AN 183, 197, 1910
Roe1910d	Ma j	Roe, E.D.	1910PA.....18..354R
Roe1910d		Popular Astronomy 18, 354, 1910
Roe1910e	Ma j	Roe, E.D.	1910PA.....18..554R
Roe1910e		Popular Astronomy 18, 554, 1910
Roe1911a	Ma -	Roe, E.D.	1911AN....187...39R
Roe1911a		AN 187, 39, 1911
Roe1911b	Ma -	Roe, E.D.	1911AN....188..373R
Roe1911b		AN 188, 373, 1911
Roe1911c	Ma -	Roe, E.D.	1911AN....190..137R
Roe1911c		AN 190, 137, 1911
Roe1911d	Ma j	Roe, E.D.	1911PA.....19..383R
Roe1911d		Popular Astronomy 19, 383, 1911
Roe1914	Ma j	Roe, E.D.	1914AN....199..169R
Roe1914		AN 199, 169, 1914
Roe1915	Ma -	Roe, E.D.	1915AN....202..99R
Roe1915		AN 202, 99, 1915
Roe1917	Ma j	Roe, E.D.	1917AN....204...21R
Roe1917		AN 204, 21, 1917
Roe1918	Ma -	Roe, E.D.	1918AJ.....31..149R
Roe1918		AJ 31, 149, 1918
Roe1919a	Ma j	Roe, E.D.	1919AJ.....32....6R
Roe1919a		AJ 32, 6, 1919
Roe1919b	Ma j	Roe, E.D.	1919AJ.....32...25R
Roe1919b		AJ 32, 25, 1919
Roe1932A	-	Roe, E.D.	1932QB821.A43......
Roe1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20548+1642	ROE 126		1918	1	150	6.7	12.00	10.50		I	205511.98+164045.2
20548+1642	ROE 126		2000	2	141	9.7	12.00	10.50			205511.98+164045.2
20548+1642	ROE 126		2001	3	141	9.7	12.00	10.50			205511.98+164045.2
20548+1642	ROE 126		2010	4	137	9.2	12.00	10.50			205511.98+164045.2
20548+1642	ROE 126		2015	4	138	9.7	12.00	10.50			205511.98+164045.2

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

WDS 20548+1642 ROE 126 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20548+1642 ROE 126 : MEASURES

No records found.

WDS 20548+1642 : VIRTUAL EYEPIECE

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

WDS 20548+1642 : ALADIN DSS IMAGE @ 20^h 55^m 11.98^s +16° 40' 45.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20548+1642 ROE 126 : 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		20548+1642	ROE 126		138	9.7
Show		20539+1700	BPM2288		339	115.1	27
Show		20542+1619	BPM2289		75	96.0	27
Show		20522+1656	J 3116	BC	143	6.0	46
Show		20522+1656	J 3116	AB	39	73.3	47
Show		20555+1730	J 3328		120	4.2	49
Show		20585+1626	STF2738	BC	102	222.7	50
Show		20585+1626	STF2738	AB	254	15.0	51
Show		20585+1626	STF2738	AC	104	209.4	51
Show		20588+1701	BPM2305		249	73.9	56
Show		20513+1647	J 3115		321	7.1	58
Show		20527+1726	J 605	AB	241	1.7	58
Show		20527+1726	J 605	AC	161	38.1	58
Show		20585+1607	J 3118		73	5.7	59
Show		20514+1619	BPM2283		243	38.1	59
Show		20535+1734	UC 4319		158	67.6	59
Show		20556+1744	BPM2297		91	30.5	64
Show		20596+1642	TDT2679		61	0.6	64
Show		20594+1614	BPM2307		316	48.9	67
Show		20534+1742	BPM2286		19	97.0	67
Show		20598+1649	STTA213		36	70.9	68
Show		20508+1702	CVR 875		72	20.3	68
Show		20595+1712	GRV 400		197	58.7	70
Show		20503+1649	TDT2571		258	0.8	71
Show		20505+1616	KPP4216		237	1.6	73
Show		20503+1630	LDS1048	AB	151	13.7	74
Show		20503+1630	LDS1048	AC	213	1.6	74
Show		20518+1736	J 2325		260	5.4	74
Show		20518+1545	GWP3007		163	8.1	74
Show		20583+1542	JNN 154	AC	216	10.5	75
Show		20506+1601	BPM2281		268	35.3	78
Show		20501+1707	HEI 183		25	0.5	78
Show		20500+1702	UC 4303		81	18.2	78
Show		20589+1741	BRT2487		120	4.4	81
Show		20570+1758	COU 427		221	1.5	81
Show		20527+1528	HJ 1585		195	14.3	82
Show		20499+1718	CBL 88		104	43.4	85
Show		20571+1801	J 607		305	3.1	85
Show		20509+1544	BPM2282		160	54.6	85
Show		20593+1744	J 1716		223	6.3	86
Show		20582+1756	BPM2303		131	120.5	87
Show		20501+1556	BPM2278		296	68.3	87
Show		20593+1534	STT 424	AB	307	0.5	89
Show		20593+1534	STT 424	AC	305	33.9	89
Show		20593+1534	WAL 133	AB,D	206	83.7	89
Show		20599+1741	KPP1329		129	10.1	90
Show		20573+1515	BPM2300		275	111.3	91
Show		20500+1732	TDS1104		299	1.9	91
Show		20530+1806	UC 4316		216	48.9	92
Show		21017+1652	BPM2311	AB	110	113.7	95
Show		21007+1547	SLW1228		262	14.9	96

WDS 20548+1642 : COMPONENTS

	A
B	pa=139.2° sep=9.48"

20548+1642 A

Componente originario normalizzato	AB		Coord arcsec 2000	205511.98+164045.2		Mag	12		PmRA	-26.00
PmDE	-37.0		Tycho2	1647-01418-1

Tycho2

Tycho2	1647-01418-1	Pflag		RAmdeg	313.79992823	DEmdeg	16.67921993
PmRA	-22.0	PmDE	-34.5	E RAmdeg	75	E DEmdeg	88
E pmRA	2.0	E pmDE	2.1	EpRAm	1973.25	EpDEm	1965.22
Num	3	Q RAmdeg	1.0	Q DEmdeg	0.9	Q pmRA	0.9
Q pmDE	1.0	BTmag	13.524	E BTmag	0.332	VTmag	12.000
E VTmag	0.154	Prox	628	TYC		HIP
CCDM		RAdeg	313.79998278	DEdeg	16.67930361	EpRA 1990	1.52
EpDE 1990	1.28	E RAdeg	83.7	E DEdeg	104.0	Posflg
Corr	-0.1

20548+1642 B

Componente originario normalizzato	AB		Coord arcsec 2000	205512.41+164038.0		Mag	10.5		PmRA	7.00
PmDE	-7.0		Calc delta mag	1.5		Calc coord	yes