21477+1755 LDS 4909

21^h 47^m 48.47^s +17° 54' 30.6" P.A. 66.00 sep 32.7 mag 16.59,17.97

Coord 2000	21477+1755	Discov num	LDS4909	Comp		Coord arcsec 2000	21 47 48.47 +17 54 30.6
Date first	1960	Date last	2016	Obs	8
Pa first	66	Pa last	66.3	P.A. Now (θ)	66.3°
Sep first	32.0	Sep last	32.717	Sep. Now (ρ)	32.717"
Mag pri	16.59	Mag sec	17.97	delta mag (ΔM)	1.38	Spectral class
Pri motion ra	+100	Sec motion ra	+102
Pri motion dec	-010	Sec motion dec	-020
Notes

rPM=0.098 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Gaia DR2

1774022433293917952

WDS 21477+1755 LDS 4909 : 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
21477+1755	LDS4909		1997	2	66	32.7	16.59	17.97		D	214748.47+175430.6
21477+1755	LDS4909		2010	3	66	32.8	16.59	17.97			214748.47+175430.6
21477+1755	LDS4909		2014	6	66	32.7	16.59	17.97			214748.47+175430.6
21477+1755	LDS4909		2015	7	66	32.7	16.59	17.97			214748.47+175430.6
21477+1755	LDS4909		2016	8	66	32.7	16.59	17.97			214748.47+175430.6

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

WDS 21477+1755 LDS 4909 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21477+1755 LDS 4909 : MEASURES

No records found.

WDS 21477+1755 : VIRTUAL EYEPIECE

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WDS 21477+1755 : ALADIN DSS IMAGE @ 21^h 47^m 48.47^s +17° 54' 30.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21477+1755 LDS 4909 : 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		21477+1755	LDS4909		66	32.7
Show		21479+1824	BPM2409		309	97.5	30
Show		21501+1717	COU 14		67	0.3	51
Show		21515+1806	GIC 173		140	5.7	56
Show		21427+1751	DAM 660		318	0.8	73
Show		21440+1705	LDS6358		346	64.1	74
Show		21426+1749	CBL 95		222	37.1	75
Show		21424+1750	HU 373	AB	300	0.9	78
Show		21424+1750	BU 691	AC	249	84.3	78
Show		21424+1750	BU 691	AE	80	118.8	78
Show		21424+1750	FOX9057	CD	238	14.7	79
Show		21531+1731	DAM 240	BC	73	8.7	80
Show		21531+1731	J 3150	AB	335	4.6	80
Show		21536+1735	J 288		309	6.7	85
Show		21429+1843	SLW1251		328	123.9	86
Show		21420+1728	KPP3372		244	2.0	87
Show		21417+1735	OSO 153		206	18.4	90
Show		21510+1637	GWP3102		92	28.0	91
Show		21541+1803	SKF2182		326	74.9	91
Show		21504+1626	UC 4580		88	26.3	96
Show		21527+1650	BPM2410		239	60.8	96
Show		21514+1916	WSI 24		24	14.2	96
Show		21466+1929	COU 431		184	0.5	97
Show		21450+1626	J 821		4	2.0	98
Show		21426+1900	HO 165		63	0.8	99
Show		21517+1918	BU 1506	BC	118	29.9	101
Show		21517+1918	STF2834	AB	298	4.3	101
Show		21517+1918	BU 1506	AC	116	29.7	101
Show		21420+1856	LBU 2	Aa,Ab	22	0.6	104
Show		21420+1856	STF2818	AB	24	26.8	104
Show		21420+1856	FOX9055	AC	267	76.5	104
Show		21420+1856	DAM 16	CD	90	3.5	105
Show		21557+1752	BPM2413		343	97.0	114
Show		21443+1611	UC 4542		338	15.7	116
Show		21550+1849	UC 4596		308	17.3	117
Show		21553+1842	HO 173		73	0.9	118
Show		21545+1644	HEI 191		24	6.0	118
Show		21506+1559	HJ 287		216	16.3	122
Show		21505+1953	LDS4916		298	198.7	125
Show		21465+1551	CLZ 82		324	155.2	126
Show		21451+1954	RAO 466		249	0.6	126
Show		21526+1609	J 1725		52	8.5	126
Show		21516+1950	HJ 947	AB	98	18.9	127
Show		21516+1950	HJ 947	AC	310	24.3	127
Show		21516+1950	HJ 947	BC	297	41.1	127
Show		21409+1915	HDS3086		66	1.1	128
Show		21551+1908	J 2		35	3.5	128
Show		21549+1914	AMS 2		199	7.0	128
Show		21420+1617	J 287		348	3.0	129
Show		21461+2001	HU 376		14	1.4	130
Show		21564+1712	LDS1483		292	68.7	130

WDS 21477+1755 : COMPONENTS

	A
B	pa=65.2° sep=31.39"

21477+1755 A

Componente originario normalizzato	AB		Coord arcsec 2000	214748.47+175430.6		Mag	16.59		PmRA	100.00
PmDE	-10.0

21477+1755 B

Componente originario normalizzato	AB		Coord arcsec 2000	214750.47+175443.8		Mag	17.97		PmRA	102.00
PmDE	-20.0		Calc delta mag	1.38		Calc coord	yes