20542+1619 BPM 2289

20^h 54^m 10.65^s +16° 18' 43.7" P.A. 75.00 sep 96.0 mag 14.99,16.21

Coord 2000	20542+1619	Discov num	BPM2289	Comp		Coord arcsec 2000	20 54 10.65 +16 18 43.7
Date first	1989	Date last	2015	Obs	5
Pa first	75	Pa last	75.1	P.A. Now (θ)	75.1°
Sep first	95.7	Sep last	96.044	Sep. Now (ρ)	96.044"
Mag pri	14.99	Mag sec	16.21	delta mag (ΔM)	1.22	Spectral class
Pri motion ra	-007	Sec motion ra	-011
Pri motion dec	-015	Sec motion dec	-010
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.387

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1764367140655346048

WDS 20542+1619 BPM 2289 : NOTES

discov_num	notes	refcode
BPM2289	[PM2000] 2416997 + [PM2000] 2417339.	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
20542+1619	BPM2289		2000	2	75	96.0	15.23	16.07		NV	205410.65+161843.7
20542+1619	BPM2289		2001	3	75	95.6	15.23	16.07		NV	205410.65+161843.7
20542+1619	BPM2289		2010	4	75	96.2	14.99	16.21		NV	205410.65+161843.7
20542+1619	BPM2289		2015	5	75	96.0	14.99	16.21		NV	205410.65+161843.7

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WDS 20542+1619 BPM 2289 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20542+1619 BPM 2289 : MEASURES

No records found.

WDS 20542+1619 : VIRTUAL EYEPIECE

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WDS 20542+1619 : ALADIN DSS IMAGE @ 20^h 54^m 10.65^s +16° 18' 43.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20542+1619 BPM 2289 : 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		20542+1619	BPM2289		75	96.0
Show		20548+1642	ROE 126		138	9.7	27
Show		20514+1619	BPM2283		243	38.1	40
Show		20539+1700	BPM2288		339	115.1	41
Show		20522+1656	J 3116	AB	39	73.3	48
Show		20522+1656	J 3116	BC	143	6.0	48
Show		20518+1545	GWP3007		163	8.1	48
Show		20513+1647	J 3115		321	7.1	51
Show		20505+1616	KPP4216		237	1.6	54
Show		20506+1601	BPM2281		268	35.3	55
Show		20527+1528	HJ 1585		195	14.3	56
Show		20503+1630	LDS1048	AB	151	13.7	60
Show		20503+1630	LDS1048	AC	213	1.6	60
Show		20509+1544	BPM2282		160	54.6	60
Show		20585+1626	STF2738	BC	102	222.7	63
Show		20503+1649	TDT2571		258	0.8	64
Show		20585+1626	STF2738	AB	254	15.0	64
Show		20585+1626	STF2738	AC	104	209.4	64
Show		20585+1607	J 3118		73	5.7	64
Show		20501+1556	BPM2278		296	68.3	64
Show		20508+1702	CVR 875		72	20.3	66
Show		20583+1542	JNN 154	AC	216	10.5	71
Show		20527+1726	J 605	AB	241	1.7	71
Show		20527+1726	J 605	AC	161	38.1	71
Show		20555+1730	J 3328		120	4.2	73
Show		20500+1702	UC 4303		81	18.2	75
Show		20509+1517	J 3113		111	4.8	75
Show		20501+1707	HEI 183		25	0.5	76
Show		20594+1614	BPM2307		316	48.9	77
Show		20535+1734	UC 4319		158	67.6	77
Show		20573+1515	BPM2300		275	111.3	78
Show		20489+1558	BPM2275		143	74.7	79
Show		20588+1701	BPM2305		249	73.9	79
Show		20596+1642	TDT2679		61	0.6	82
Show		20485+1628	BPM2271		127	97.8	83
Show		20534+1742	BPM2286		19	97.0	85
Show		20518+1736	J 2325		260	5.4	85
Show		20499+1718	CBL 88		104	43.4	86
Show		20593+1534	STT 424	AB	307	0.5	86
Show		20593+1534	STT 424	AC	305	33.9	86
Show		20593+1534	WAL 133	AB,D	206	83.7	86
Show		20598+1649	STTA213		36	70.9	88
Show		20556+1744	BPM2297		91	30.5	88
Show		20481+1616	SKF1770		223	3.4	88
Show		20485+1545	BPM2272		333	103.7	89
Show		20538+1451	BPM2287		315	51.9	89
Show		20481+1601	BPM2269		222	81.9	90
Show		20595+1712	GRV 400		197	58.7	94
Show		20500+1732	TDS1104		299	1.9	95
Show		20504+1459	BPM2280		131	60.8	98
Show		20592+1513	BPM2306		201	37.2	98

WDS 20542+1619 : COMPONENTS

	A
B	pa=74.5° sep=92.44"

20542+1619 A

Componente originario normalizzato	AB		Coord arcsec 2000	205410.65+161843.7		Mag	14.99		PmRA	-7.00
PmDE	-15.0

20542+1619 B

Componente originario normalizzato	AB		Coord arcsec 2000	205416.84+161908.4		Mag	16.21		PmRA	-11.00
PmDE	-10.0		Calc delta mag	1.22		Calc coord	yes