20301+1103 BPM 2176

20^h 30^m 06.51^s +11° 02' 51.9" P.A. 280.00 sep 53.7 mag 15.49,15.64

Coord 2000	20301+1103	Discov num	BPM2176	Comp		Coord arcsec 2000	20 30 06.51 +11 02 51.9
Date first	1997	Date last	2015	Obs	9
Pa first	279	Pa last	279.6	P.A. Now (θ)	279.6°
Sep first	54.3	Sep last	53.667	Sep. Now (ρ)	53.667"
Mag pri	15.49	Mag sec	15.64	delta mag (ΔM)	0.15	Spectral class
Pri motion ra	-003	Sec motion ra	+006
Pri motion dec	-016	Sec motion dec	-013
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.583

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1753846394927641216

WDS 20301+1103 BPM 2176 : NOTES

discov_num	notes	refcode
BPM2176	[PM2000] 2319298 + [PM2000] 2318980.	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
20301+1103	BPM2176		2000	2	279	53.8	15.49	15.64		NV	203006.51+110251.9
20301+1103	BPM2176		2001	3	279	53.8	15.49	15.64		NV	203006.51+110251.9
20301+1103	BPM2176		2010	4	279	53.7	15.49	15.64		NV	203006.51+110251.9
20301+1103	BPM2176		2015	5	279	53.7	15.49	15.64		NV	203006.51+110251.9

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

WDS 20301+1103 BPM 2176 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20301+1103 BPM 2176 : MEASURES

No records found.

WDS 20301+1103 : VIRTUAL EYEPIECE

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WDS 20301+1103 : ALADIN DSS IMAGE @ 20^h 30^m 06.51^s +11° 02' 51.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20301+1103 BPM 2176 : 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		20301+1103	BPM2176		280	53.7
Show		20303+1054	BU 63	AB	347	0.9	10
Show		20303+1054	BU 297	AC	340	16.9	10
Show		20308+1059	BPM2179		29	77.2	11
Show		20312+1116	CHR 99	Aa,Ab	142	0.4	21
Show		20312+1116	STF2690	A,BC	255	17.8	21
Show		20312+1116	HJ 269	AD	108	23.0	21
Show		20312+1116	DA 1	BC	184	0.3	21
Show		20288+1114	UC 4195		275	70.0	23
Show		20285+1110	BPM2171		30	40.3	25
Show		20309+1126	LAU 4	AB	271	28.1	27
Show		20309+1126	STJ 5	Aa,Ab	140	0.9	27
Show		20317+1124	BPM2182		228	99.8	32
Show		20295+1033	J 3089		317	4.6	34
Show		20322+1054	LDS4848		143	251.1	34
Show		20294+1029	DAM 214		298	5.3	36
Show		20293+1029	J 3088		79	7.3	37
Show		20289+1022	J 3263		54	7.1	44
Show		20297+1018	STF2686		278	25.8	46
Show		20292+1019	J 3264		358	5.9	46
Show		20270+1116	HJ 268		248	20.5	49
Show		20298+1154	J 1243		121	3.2	52
Show		20316+1150	J 3		130	2.1	53
Show		20326+1024	J 3092		336	5.3	54
Show		20264+1103	BPM2159	AB	65	36.6	54
Show		20264+1103	BPM2160	AC	152	67.7	54
Show		20293+1155	BPM2173	AB	21	4.6	54
Show		20293+1155	BPM2173	AC	35	34.0	54
Show		20339+1106	TDT2376		76	0.8	56
Show		20263+1109	UC 4181		356	86.7	56
Show		20329+1142	J 1	AB	63	2.1	59
Show		20329+1142	UC 4212	AC	256	27.7	59
Show		20310+1200	DAM 673		251	13.3	59
Show		20260+1102	BPM2157	BC	109	117.7	60
Show		20260+1102	BPM2156	AB	73	53.8	60
Show		20313+1201	BRT1345		197	4.9	61
Show		20327+1151	BPM2184		293	59.7	62
Show		20339+1032	BPM2189		259	69.9	64
Show		20266+1148	BPM2161		343	104.2	68
Show		20324+1202	GRV 351		12	70.6	69
Show		20270+1008	J 1343		53	2.3	69
Show		20269+1013	TDT2282		258	3.1	70
Show		20345+1036	BPM2192		343	103.0	71
Show		20348+1121	J 1344		103	2.5	71
Show		20310+1213	GRV 348		81	14.8	72
Show		20345+1138	J 142		242	6.5	73
Show		20349+1120	TDT2394		2	0.5	73
Show		20279+0958	AG 256	AB	351	5.2	73
Show		20279+0958	AG 256	AC	225	99.2	73
Show		20250+1108	BPM2146		49	87.4	77
Show		20350+1134	BRT3358		288	1.9	78

WDS 20301+1103 : COMPONENTS

	A
B	pa=279.8° sep=52.70"

20301+1103 A

Componente originario normalizzato	AB		Coord arcsec 2000	203006.51+110251.9		Mag	15.49		PmRA	-3.00
PmDE	-16.0

20301+1103 B

Componente originario normalizzato	AB		Coord arcsec 2000	203002.98+110300.8		Mag	15.64		PmRA	6.00
PmDE	-13.0		Calc delta mag	0.15		Calc coord	yes