20027+1439 BPM 1952

20^h 02^m 44.78^s +14° 39' 21.5" P.A. 8.00 sep 68.0 mag 15.42,15.58

Coord 2000	20027+1439	Discov num	BPM1952	Comp		Coord arcsec 2000	20 02 44.78 +14 39 21.5
Date first	1990	Date last	2015	Obs	8
Pa first	8	Pa last	8.3	P.A. Now (θ)	8.3°
Sep first	67.8	Sep last	68.045	Sep. Now (ρ)	68.045"
Mag pri	15.42	Mag sec	15.58	delta mag (ΔM)	0.16	Spectral class
Pri motion ra	-016	Sec motion ra	-018
Pri motion dec	-021	Sec motion dec	-025
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.145 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquila

Gaia DR2

1807275547586213120

WDS 20027+1439 BPM 1952 : NOTES

discov_num	notes	refcode
BPM1952	[PM2000] 2146127 + [PM2000] 2146206.	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
20027+1439	BPM1952		2000	2	8	67.9	15.42	15.58		NV	200244.78+143921.5
20027+1439	BPM1952		2001	3	8	68.0	15.42	15.58		NV	200244.78+143921.5
20027+1439	BPM1952		2010	4	8	68.7	15.42	15.58		NV	200244.78+143921.5
20027+1439	BPM1952		2015	5	8	68.0	15.42	15.58		NV	200244.78+143921.5

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

WDS 20027+1439 BPM 1952 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20027+1439 BPM 1952 : MEASURES

No records found.

WDS 20027+1439 : VIRTUAL EYEPIECE

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WDS 20027+1439 : ALADIN DSS IMAGE @ 20^h 02^m 44.78^s +14° 39' 21.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20027+1439 BPM 1952 : 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		20027+1439	BPM1952		8	68.0
Show		20028+1435	STF2616		268	3.4	5
Show		20038+1436	HJ 1469		215	17.6	16
Show		20029+1455	BPM1955		300	97.8	17
Show		20019+1428	BPM1936		246	93.6	18
Show		20038+1450	BPM1967		187	47.0	19
Show		20019+1458	BPM1940		79	61.6	23
Show		20029+1416	OSO 116	AB	105	4.7	24
Show		20029+1416	OSO 116	AC	226	11.2	24
Show		20029+1416	OSO 116	AD	16	16.1	24
Show		20038+1459	BU 1478		170	28.6	26
Show		20033+1504	A 1666		76	0.4	26
Show		20035+1408	BPM1965		11	62.6	33
Show		20038+1512	BPM1968		183	114.6	36
Show		20002+1454	HDS2847	Aa,Ab	54	0.4	40
Show		20002+1454	BPM1920	AB	34	77.0	40
Show		20054+1424	BPMA234		295	168.5	42
Show		19599+1444	HJ 1459	AB	293	9.1	42
Show		19599+1444	DAM 187	BC	304	10.6	42
Show		19599+1444	DAM 187	CD	272	12.3	43
Show		20053+1500	BPM1988		252	58.1	43
Show		20009+1514	TDT1914		193	0.9	44
Show		19598+1425	BPM1918		348	96.6	45
Show		20033+1354	BPM1961		41	48.1	47
Show		20052+1510	BPM1986		62	15.4	47
Show		20030+1528	D 21		211	21.3	49
Show		20013+1355	BPM1930		130	90.1	50
Show		20034+1528	STF2618		115	5.6	50
Show		20058+1507	BPM1994		170	98.9	53
Show		20033+1347	BPM1963		141	117.9	53
Show		19591+1450	BPM1902		210	107.8	54
Show		19596+1410	BPM1914		253	54.8	55
Show		20012+1530	BPMA226		31	285.6	56
Show		19592+1419	BPM1903		240	99.2	56
Show		20026+1536	TRN 5		77	3.3	57
Show		20038+1345	AG 398		220	26.8	57
Show		20010+1346	J 3042		84	5.4	58
Show		20022+1537	BPMA230		42	244.4	59
Show		19589+1421	BPM1900		47	79.8	60
Show		20058+1519	BPM1993		205	53.2	60
Show		19597+1400	BPM1915		349	54.2	60
Show		20011+1344	DAM 188		242	5.4	61
Show		20048+1346	BPM1980		57	67.6	61
Show		20058+1521	BPM1997		257	61.8	62
Show		19585+1440	DAM 186		352	4.4	63
Show		19597+1355	BPM1916		177	97.0	63
Show		20019+1541	BPM1939		213	79.6	63
Show		20070+1430	BPM2005		72	20.0	63
Show		19595+1358	BPM1911		68	52.6	64
Show		19591+1437	J 3218	AB	46	4.2	64
Show		19591+1437	FYM 301	AC	31	8.9	64

WDS 20027+1439 : COMPONENTS

	A
B	pa=8.0° sep=68.00"

20027+1439 A

Componente originario normalizzato	AB		Coord arcsec 2000	200244.78+143921.5		Mag	15.42		PmRA	-16.00
PmDE	-21.0

20027+1439 B

Componente originario normalizzato	AB		Coord arcsec 2000	200245.43+144028.8		Mag	15.58		PmRA	-18.00
PmDE	-25.0		Calc delta mag	0.16		Calc coord	yes