20446+1154 BPM 2251

20^h 44^m 36.42^s +11° 54' 20.9" P.A. 51.00 sep 84.7 mag 13.72,14.96

Coord 2000	20446+1154	Discov num	BPM2251	Comp		Coord arcsec 2000	20 44 36.42 +11 54 20.9
Date first	1996	Date last	2015	Obs	7
Pa first	51	Pa last	51.2	P.A. Now (θ)	51.2°
Sep first	84.8	Sep last	84.683	Sep. Now (ρ)	84.683"
Mag pri	13.72	Mag sec	14.96	delta mag (ΔM)	1.24	Spectral class
Pri motion ra	+002	Sec motion ra	-017
Pri motion dec	-005	Sec motion dec	-013
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.963

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1754932849853343360

WDS 20446+1154 BPM 2251 : NOTES

discov_num	notes	refcode
BPM2251	[PM2000] 2383255 + [PM2000] 2383542.	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
20446+1154	BPM2251		2000	2	51	84.8	13.89	15.06		NV	204436.42+115420.9
20446+1154	BPM2251		2001	3	50	80.9	13.89	15.06		NV	204436.42+115420.9
20446+1154	BPM2251		2015	4	51	84.7	13.72	14.96		NV	204436.42+115420.9

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WDS 20446+1154 BPM 2251 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20446+1154 BPM 2251 : MEASURES

No records found.

WDS 20446+1154 : VIRTUAL EYEPIECE

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WDS 20446+1154 : ALADIN DSS IMAGE @ 20^h 44^m 36.42^s +11° 54' 20.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20446+1154 BPM 2251 : 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		20446+1154	BPM2251		51	84.7
Show		20444+1205	A 875		208	2.5	12
Show		20442+1209	BPM2240		148	55.1	17
Show		20449+1219	B 2910	Aa,Ab	52	0.1	25
Show		20449+1219	STF2723	AB	140	1.0	25
Show		20449+1219	BU 1492	AC	30	37.0	25
Show		20429+1152	BPM2235		142	114.9	26
Show		20440+1225	HJ 1566	AB	16	16.9	31
Show		20440+1225	HJ 1566	AC	331	32.4	31
Show		20460+1126	TDT2526		223	0.4	36
Show		20465+1131	BPM2258		45	78.9	36
Show		20440+1118	UC 4272		354	60.1	38
Show		20441+1258	J 1889		10	4.6	39
Show		20419+1150	HEI 588		293	2.3	40
Show		20439+1113	BPM2239		101	71.9	43
Show		20420+1212	BPM2231		330	108.9	43
Show		20460+1235	KPP 477		52	4.5	46
Show		20414+1157	TDT2472		309	0.5	47
Show		20452+1108	BPM2254		231	96.7	48
Show		20450+1244	D 32	CD	15	60.8	49
Show		20424+1117	OSO 131	AB	222	13.0	49
Show		20424+1117	OSO 131	AC	161	14.1	49
Show		20424+1117	OSO 131	AD	37	20.6	49
Show		20424+1117	OSO 131	AE	56	24.1	49
Show		20424+1117	OSO 131	AF	174	22.9	49
Show		20450+1244	BU 64	AB	174	0.7	50
Show		20450+1244	STTA209	AC	155	97.2	50
Show		20450+1244	BU 64	AD	117	64.3	50
Show		20478+1119	HJ 271		109	7.8	53
Show		20443+1101	BPM2242		127	30.4	54
Show		20410+1206	HEI 587		36	1.2	55
Show		20418+1231	STF2715		2	12.4	56
Show		20428+1244	BPM2234		331	93.5	57
Show		20426+1244	STF2718	BC	346	167.3	58
Show		20426+1244	STF2718	AB	87	8.5	58
Show		20426+1244	STF2718	AC	346	167.2	58
Show		20484+1134	BPM2270		197	117.4	60
Show		20439+1255	J 1888		158	10.0	61
Show		20416+1058	J 192		138	5.1	61
Show		20440+1256	DAM 218		342	5.7	63
Show		20404+1143	UC 4253		315	19.7	63
Show		20486+1223	BPM2273		132	52.3	65
Show		20413+1111	BPM2229		11	85.9	65
Show		20478+1109	BPM2267		58	48.7	66
Show		20457+1302	WFC 258		284	11.7	70
Show		20402+1126	BPM2224		331	104.0	71
Show		20426+1300	GWP2988		23	19.1	73
Show		20471+1257	BPM2265		51	16.1	73
Show		20473+1052	LEP 97		351	14.7	75
Show		20417+1053	UC 4260		155	39.5	75
Show		20405+1240	HEI 278		135	3.4	76

WDS 20446+1154 : COMPONENTS

	A
B	pa=50.6° sep=83.58"

20446+1154 A

Componente originario normalizzato	AB		Coord arcsec 2000	204436.42+115420.9		Mag	13.72		PmRA	2.00
PmDE	-5.0

20446+1154 B

Componente originario normalizzato	AB		Coord arcsec 2000	204440.82+115514.0		Mag	14.96		PmRA	-17.00
PmDE	-13.0		Calc delta mag	1.24		Calc coord	yes