20247+1747 BPMA 247

20^h 24^m 42.70^s +17° 47' 06.8" P.A. 40.00 sep 194.2 mag 14.27,15.25

Coord 2000	20247+1747	Discov num	BPMA247	Comp		Coord arcsec 2000	20 24 42.70 +17 47 06.8
Date first	1997	Date last	2015	Obs	9
Pa first	41	Pa last	40.4	P.A. Now (θ)	40.4°
Sep first	194.3	Sep last	194.201	Sep. Now (ρ)	194.201"
Mag pri	14.27	Mag sec	15.25	delta mag (ΔM)	0.98	Spectral class
Pri motion ra	+051	Sec motion ra	+049
Pri motion dec	-008	Sec motion dec	-017
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.178 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1815054347522693120

WDS 20247+1747 BPMA 247 : NOTES

discov_num	notes	refcode
BPMA247	[PM2000] 2290330 + [PM2000] 2291140.	Gvr2010

REFERENCES

refcode	metd	author	reference
Gvr2010	Pa -	Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C.	2010A&A...521A 4G
Gvr2010	+T	A&A 521, A4, 2010
Gvr2010		(Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010		catalogs, spanning years ~1900-2000)

DISCOVERER

idgroup	discov	author
1	BPM	Bordeaux PM2000 catalogue (main catalog: separation < 2')

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20247+1747	BPMA247		1997	2	41	194.5	14.27	15.25		NV	202442.70+174706.8
20247+1747	BPMA247		2001	3	41	194.4	14.27	15.25		NV	202442.70+174706.8
20247+1747	BPMA247		2010	4	41	194.2	14.27	15.25		NV	202442.70+174706.8
20247+1747	BPMA247		2015	5	40	194.1	14.27	15.25		NV	202442.70+174706.8

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

WDS 20247+1747 BPMA 247 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20247+1747 BPMA 247 : MEASURES

No records found.

WDS 20247+1747 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20247+1747 : ALADIN DSS IMAGE @ 20^h 24^m 42.70^s +17° 47' 06.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20247+1747 BPMA 247 : 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		20247+1747	BPMA247		40	194.2
Show		20263+1743	HJ 2962		103	13.4	23
Show		20235+1811	J 839		347	2.1	29
Show		20266+1736	GWP2948		182	22.1	30
Show		20269+1747	BPM2163		31	113.7	31
Show		20224+1745	BPM2132		278	95.1	33
Show		20229+1728	BPMA246		219	171.9	33
Show		20262+1721	BPM2158		251	115.1	34
Show		20270+1736	BPM2167		207	101.3	35
Show		20269+1727	BPM2164		20	110.5	37
Show		20218+1729	BPM2128		283	75.4	45
Show		20278+1805	HJL1103		82	126.5	48
Show		20215+1721	KPP1798		235	13.9	53
Show		20267+1701	BRT1342		90	5.8	55
Show		20268+1656	HO 129		163	4.7	60
Show		20231+1844	LDS5905		116	3.5	62
Show		20284+1713	HJ 2969		170	6.0	63
Show		20202+1734	BPM2116		71	70.5	66
Show		20292+1735	BPMA249		155	287.6	66
Show		20292+1728	BRT2477		155	4.0	67
Show		20267+1646	TVB 314		209	17.2	68
Show		20199+1733	HJ 2950		282	14.6	69
Show		20281+1654	HEI 180		166	1.1	73
Show		20201+1823	DAM 211	AB	166	7.0	75
Show		20201+1823	DAM 211	AC	233	7.6	75
Show		20283+1846	HO 131	AB	334	3.4	79
Show		20283+1846	HO 131	AC	69	64.4	79
Show		20283+1846	HO 131	AD	97	76.9	79
Show		20192+1753	BPM2106		39	22.5	79
Show		20298+1712	J 510		248	4.9	81
Show		20243+1909	HU 361		198	0.6	82
Show		20192+1723	J 1247		155	3.1	84
Show		20204+1825	J 3076		209	5.9	87
Show		20203+1826	J 3075		104	4.9	88
Show		20193+1705	BPM2109		198	100.7	89
Show		20276+1629	GWP2953		29	69.7	89
Show		20200+1848	HU 359		179	0.2	91
Show		20307+1718	BPM2178		217	110.0	91
Show		20243+1617	BPM2144		81	65.0	91
Show		20202+1644	SKF2134		231	66.3	91
Show		20222+1623	STF2670	AB	153	30.0	92
Show		20222+1623	ABH 139	AD	143	93.0	92
Show		20222+1623	GUI 31	AC	129	37.0	92
Show		20222+1623	STF2670	BC	77	15.9	92
Show		20305+1829	J 2313		137	6.2	93
Show		20188+1751	J 3314		70	3.4	94
Show		20219+1622	LEP 169		13	4.6	94
Show		20186+1711	BPM2101		265	58.6	95
Show		20184+1719	BPM2099		127	114.8	95
Show		20181+1736	HJ 2946		237	13.9	95
Show		20205+1634	HU 360	AB	3	0.1	95

WDS 20247+1747 : COMPONENTS

	A
B	pa=39.0° sep=190.35"

20247+1747 A

Componente originario normalizzato	AB		Coord arcsec 2000	202442.70+174706.8		Mag	14.27		PmRA	51.00
PmDE	-8.0

20247+1747 B

Componente originario normalizzato	AB		Coord arcsec 2000	202451.09+174934.7		Mag	15.25		PmRA	49.00
PmDE	-17.0		Calc delta mag	0.98		Calc coord	yes