20523+1144 BPM 2284

20^h 52^m 19.53^s +11° 44' 14.8" P.A. 252.00 sep 115.9 mag 14.77,15.56

Coord 2000	20523+1144	Discov num	BPM2284	Comp		Coord arcsec 2000	20 52 19.53 +11 44 14.8
Date first	1995	Date last	2015	Obs	8
Pa first	252	Pa last	251.7	P.A. Now (θ)	251.7°
Sep first	115.9	Sep last	115.895	Sep. Now (ρ)	115.895"
Mag pri	14.77	Mag sec	15.56	delta mag (ΔM)	0.79	Spectral class
Pri motion ra	-012	Sec motion ra	-011
Pri motion dec	-012	Sec motion dec	-009
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.186 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1757826657082384896

WDS 20523+1144 BPM 2284 : NOTES

discov_num	notes	refcode
BPM2284	[PM2000] 2410767 + [PM2000] 2410355.	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
20523+1144	BPM2284		2000	2	252	116.0	15.05	15.69		NV	205219.53+114414.8
20523+1144	BPM2284		2001	3	252	115.9	15.05	15.69		NV	205219.53+114414.8
20523+1144	BPM2284		2010	4	252	116.0	14.77	15.56		NV	205219.53+114414.8
20523+1144	BPM2284		2015	5	252	115.9	14.77	15.56		NV	205219.53+114414.8

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

WDS 20523+1144 BPM 2284 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20523+1144 BPM 2284 : MEASURES

No records found.

WDS 20523+1144 : VIRTUAL EYEPIECE

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WDS 20523+1144 : ALADIN DSS IMAGE @ 20^h 52^m 19.53^s +11° 44' 14.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20523+1144 BPM 2284 : 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		20523+1144	BPM2284		252	115.9
Show		20524+1200	GWP3008		252	11.1	17
Show		20519+1203	J 3245		249	3.8	19
Show		20494+1124	J 194	AB	299	0.6	48
Show		20494+1124	J 194	AB,C	17	11.6	48
Show		20495+1116	UC 4301		161	26.6	50
Show		20495+1106	BPM2276		298	107.2	57
Show		20484+1134	BPM2270		197	117.4	59
Show		20545+1054	BPM2290		243	17.0	60
Show		20496+1233	BU 1495	AB	19	52.1	63
Show		20496+1233	BU 1495	AC	86	105.5	63
Show		20496+1233	BU 1495	AD	276	189.6	63
Show		20488+1106	BPM2274			109.8	65
Show		20549+1236	BPM2292		143	61.9	65
Show		20502+1246	J 3277		326	4.1	68
Show		20486+1223	BPM2273		132	52.3	68
Show		20553+1236	BPM2295		182	40.1	68
Show		20556+1234	HJ 1592	AB	15	34.4	70
Show		20556+1234	DRS 30	Aa,Ab	116	0.2	70
Show		20571+1131	BPM2299		65	95.8	72
Show		20572+1157	TDT2655		118	0.4	73
Show		20536+1034	KPP4217		147	1.5	73
Show		20573+1200	KPP3365		169	3.6	75
Show		20492+1243	GWP3001		126	94.3	76
Show		20478+1109	BPM2267		58	48.7	76
Show		20478+1119	HJ 271		109	7.8	76
Show		20558+1047	GWP3019		124	90.5	78
Show		20499+1255	HJ 1577		245	9.4	80
Show		20523+1304	GRV 390		107	42.6	81
Show		20569+1059	HDS2985		293	0.6	82
Show		20488+1248	GWP3000		280	24.1	83
Show		20550+1259	BPM2293		25	100.2	85
Show		20541+1306	STF2734		227	24.4	86
Show		20465+1131	BPM2258		45	78.9	88
Show		20521+1014	A 1212		11	0.6	90
Show		20473+1052	LEP 97		351	14.7	91
Show		20460+1126	TDT2526		223	0.4	95
Show		20503+1317	BPM2279		146	89.2	98
Show		20567+1300	STF2736		219	5.3	100
Show		20592+1132	JCT 4		11	10.6	102
Show		20592+1129	J 913		120	2.9	102
Show		20498+1321	HJ 1578		311	11.5	103
Show	Musica	20584+1050	ENG 78	AB	162	197.5	105
Show	Musica	20584+1050	BUP 220	AC	338	129.3	105
Show	Musica	20584+1050	MUG 16	AE	194	29.2	105
Show		20585+1239	BPM2304		343	79.8	106
Show		20460+1235	KPP 477		52	4.5	106
Show		20471+1257	BPM2265		51	16.1	106
Show		20496+1322	TDT2565		136	1.4	107
Show		20584+1050	BUP 220	BC	339	326.5	108
Show		20584+1050	BUP 220	BD	224	67.4	108

WDS 20523+1144 : COMPONENTS

	A
B	pa=251.3° sep=113.71"

20523+1144 A

Componente originario normalizzato	AB		Coord arcsec 2000	205219.53+114414.8		Mag	14.77		PmRA	-12.00
PmDE	-12.0

20523+1144 B

Componente originario normalizzato	AB		Coord arcsec 2000	205212.19+114338.4		Mag	15.56		PmRA	-11.00
PmDE	-9.0		Calc delta mag	0.79		Calc coord	yes