20538+1451 BPM 2287

20^h 53^m 47.26^s +14° 50' 46.5" P.A. 315.00 sep 51.9 mag 13.41,14.08

Coord 2000	20538+1451	Discov num	BPM2287	Comp		Coord arcsec 2000	20 53 47.26 +14 50 46.5
Date first	1991	Date last	2016	Obs	10
Pa first	315	Pa last	315	P.A. Now (θ)	315°
Sep first	51.7	Sep last	51.917	Sep. Now (ρ)	51.917"
Mag pri	13.41	Mag sec	14.08	delta mag (ΔM)	0.67	Spectral class
Pri motion ra	+024	Sec motion ra	+020
Pri motion dec	-009	Sec motion dec	+011
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.796

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1761917424453314688

WDS 20538+1451 BPM 2287 : NOTES

discov_num	notes	refcode
BPM2287	[PM2000] 2415723 + [PM2000] 2415593.	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
20538+1451	BPM2287		2000	2	315	52.0	13.41	14.08		NV	205347.26+145046.5
20538+1451	BPM2287		2001	3	315	51.9	13.41	14.08		NV	205347.26+145046.5
20538+1451	BPM2287		2010	4	315	52.0	13.41	14.08		NV	205347.26+145046.5
20538+1451	BPM2287		2015	5	315	52.0	13.41	14.08		NV	205347.26+145046.5
20538+1451	BPM2287		2016	10	315	51.9	13.41	14.08		NV	205347.26+145046.5

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

WDS 20538+1451 BPM 2287 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20538+1451 BPM 2287 : MEASURES

No records found.

WDS 20538+1451 : VIRTUAL EYEPIECE

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WDS 20538+1451 : ALADIN DSS IMAGE @ 20^h 53^m 47.26^s +14° 50' 46.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20538+1451 BPM 2287 : 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		20538+1451	BPM2287		315	51.9
Show		20554+1442	BPM2296		243	70.1	25
Show		20550+1423	BPM2294		342	59.0	33
Show		20515+1432	GRV 388		239	51.4	38
Show		20520+1422	BRT1956		197	6.4	38
Show		20529+1415	GAI9015	AB	277	1.3	38
Show		20529+1415	GAI9015	AC	167	51.8	38
Show		20527+1528	HJ 1585		195	14.3	40
Show		20541+1402	J 846		155	3.6	49
Show		20509+1517	J 3113		111	4.8	50
Show		20504+1459	BPM2280		131	60.8	51
Show		20548+1403	BPM2291		100	25.7	51
Show		20570+1426	UC 4340		2	31.5	53
Show		20573+1434	BPM2301		61	73.1	54
Show		20573+1515	BPM2300		275	111.3	57
Show		20562+1406	GRV 398		148	61.1	57
Show		20500+1432	CVR 874		82	16.7	60
Show		20528+1351	UC 4315	AB	157	14.6	62
Show		20524+1353	BPM2285		88	101.7	62
Show		20518+1545	GWP3007		163	8.1	62
Show		20580+1426	BPM2302		340	14.3	66
Show		20495+1426	BRT1955		109	5.0	67
Show		20509+1544	BPM2282		160	54.6	68
Show		20577+1402	A 1685	AB	86	0.7	76
Show		20577+1402	A 1685	AC	126	14.6	76
Show		20485+1448	J 1890		141	6.8	77
Show		20516+1340	TDT2583		98	0.6	77
Show		20485+1450	BRT1349		46	2.7	78
Show		20483+1444	LSC 93		142	0.2	81
Show		20592+1513	BPM2306		201	37.2	82
Show		20583+1542	JNN 154	AC	216	10.5	83
Show		20501+1556	BPM2278		296	68.3	85
Show		20506+1601	BPM2281		268	35.3	85
Show		20487+1407	LIT 34		206	9.5	86
Show		20598+1455	BPM2308		200	85.3	88
Show		20542+1619	BPM2289		75	96.0	89
Show		20593+1534	STT 424	AB	307	0.5	91
Show		20593+1534	STT 424	AC	305	33.9	91
Show		20593+1534	WAL 133	AB,D	206	83.7	91
Show		20477+1430	TDT2542		76	0.5	92
Show		20578+1339	FMR 162		290	13.0	93
Show		20477+1519	BPM2266		294	106.0	93
Show		20485+1545	BPM2272		333	103.7	94
Show		20481+1404	UC 4293		5	14.4	95
Show		21003+1446	GWP3026		158	55.3	95
Show		20514+1619	BPM2283		243	38.1	96
Show		20489+1558	BPM2275		143	74.7	98
Show		20505+1616	KPP4216		237	1.6	98
Show		21006+1449	BPM2309		244	10.4	100
Show		20497+1331	BPM2277		190	94.4	100
Show		20585+1607	J 3118		73	5.7	103

WDS 20538+1451 : COMPONENTS

	A
B	pa=316.0° sep=51.06"

20538+1451 A

Componente originario normalizzato	AB		Coord arcsec 2000	205347.26+145046.5		Mag	13.41		PmRA	24.00
PmDE	-9.0

20538+1451 B

Componente originario normalizzato	AB		Coord arcsec 2000	205344.81+145123.2		Mag	14.08		PmRA	20.00
PmDE	11.0		Calc delta mag	0.67		Calc coord	yes