20310+1402 BPM 2180

20^h 30^m 58.25^s +14° 02' 02.0" P.A. 301.00 sep 61.2 mag 14.95,15.78

Coord 2000	20310+1402	Discov num	BPM2180	Comp		Coord arcsec 2000	20 30 58.25 +14 02 02.0
Date first	1990	Date last	2015	Obs	9
Pa first	300	Pa last	300.5	P.A. Now (θ)	300.5°
Sep first	61.1	Sep last	61.227	Sep. Now (ρ)	61.227"
Mag pri	14.95	Mag sec	15.78	delta mag (ΔM)	0.83	Spectral class
Pri motion ra	-002	Sec motion ra	-012
Pri motion dec	-002	Sec motion dec	-005
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.803

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1804354591852839168

WDS 20310+1402 BPM 2180 : NOTES

discov_num	notes	refcode
BPM2180	[PM2000] 2323697 + [PM2000] 2323379.	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
20310+1402	BPM2180		2000	2	301	61.1	15.00	15.63		NV	203058.25+140202.0
20310+1402	BPM2180		2001	3	301	61.1	15.00	15.63		NV	203058.25+140202.0
20310+1402	BPM2180		2010	4	300	61.4	14.95	15.78		NV	203058.25+140202.0
20310+1402	BPM2180		2015	5	300	61.2	14.95	15.78		NV	203058.25+140202.0

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

WDS 20310+1402 BPM 2180 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20310+1402 BPM 2180 : MEASURES

No records found.

WDS 20310+1402 : VIRTUAL EYEPIECE

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WDS 20310+1402 : ALADIN DSS IMAGE @ 20^h 30^m 58.25^s +14° 02' 02.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20310+1402 BPM 2180 : 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		20310+1402	BPM2180		301	61.2	1
Show		20306+1404	AG 408		285	5.1	6
Show		20306+1349	HDS2932		319	0.2	15
Show		20308+1347	STF2688		175	7.9	16
Show		20321+1358	HJ 1527		270	10.6	17
Show		20320+1416	HJL 282		189	74.8	22
Show		20329+1357	L 35	CD	130	0.5	29
Show		20329+1357	BU 670	AB	5	0.8	29
Show		20329+1357	A 3108	AB,CD	340	98.4	29
Show		20334+1359	J 3093		44	4.3	36
Show		20329+1336	BRT1346		205	7.9	39
Show		20316+1442	A 1676		99	1.9	42
Show		20315+1446	J 1885		353	12.0	46
Show		20284+1432	TDT2312		251	0.6	48
Show		20315+1448	J 1884		132	8.8	49
Show		20342+1333	HEI 277		247	0.7	54
Show		20340+1326	FOX 37		57	1.3	56
Show		20346+1423	BPM2194		77	81.0	58
Show		20351+1413	J 1887		278	5.4	61
Show		20267+1431	BPM2162		214	78.9	69
Show		20351+1439	BPM2198	BC	11	114.9	71
Show		20351+1439	BPM2197	AB	327	17.3	71
Show		20321+1511	A 1677		184	1.3	72
Show		20275+1454	A 1674	AB	14	0.9	72
Show		20275+1454	A 1674	AC	294	8.4	72
Show		20275+1454	A 1674	CD	171	1.3	72
Show		20295+1512	BPM2175		197	75.4	74
Show		20353+1440	DRS 32		143	13.5	74
Show		20274+1457	BRT1343		335	4.5	75
Show		20311+1248	J 562		146	2.2	76
Show		20311+1247	J 3244		153	4.4	77
Show		20270+1312	BPM2166		59	25.3	77
Show		20272+1306	BPM2169		263	28.1	79
Show		20288+1514	SLW1225		38	11.7	79
Show		20263+1445	J 3085		206	6.0	82
Show		20356+1315	BPM2201		7	74.2	82
Show		20364+1339	BPM2206		91	38.2	83
Show		20352+1457	SKF1767		246	1.5	83
Show		20363+1328	BPM2203	AB	231	51.2	85
Show		20363+1328	BPM2204	AC	356	69.3	85
Show		20324+1524	TDS1080		286	1.0	85
Show		20346+1255	BPM2193		288	103.8	85
Show		20255+1431	BPM2151		294	48.5	85
Show		20253+1420	BPM2149		339	38.5	86
Show		20279+1515	BPMA248		224	168.3	86
Show		20252+1416	BPM2148		96	68.4	86
Show		20275+1514	J 3087		329	6.2	88
Show		20307+1233	BPM2177		220	71.0	89
Show		20366+1437	A 1679		273	3.1	90
Show		20280+1244	J 1241		172	1.3	90
Show		20370+1420	J 3098		302	4.9	90

WDS 20310+1402 : COMPONENTS

	A
B	pa=301.3° sep=59.87"

20310+1402 A

Componente originario normalizzato	AB		Coord arcsec 2000	203058.25+140202.0		Mag	14.95		PmRA	-2.00
PmDE	-2.0

20310+1402 B

Componente originario normalizzato	AB		Coord arcsec 2000	203054.73+140233.1		Mag	15.78		PmRA	-12.00
PmDE	-5.0		Calc delta mag	0.83		Calc coord	yes