20057+1719 BPM 1991

20^h 05^m 42.86^s +17° 19' 12.1" P.A. 76.00 sep 95.7 mag 14.80,15.76

Coord 2000	20057+1719	Discov num	BPM1991	Comp		Coord arcsec 2000	20 05 42.86 +17 19 12.1
Date first	1994	Date last	2015	Obs	9
Pa first	76	Pa last	75.8	P.A. Now (θ)	75.8°
Sep first	95.2	Sep last	95.714	Sep. Now (ρ)	95.714"
Mag pri	14.80	Mag sec	15.76	delta mag (ΔM)	0.96	Spectral class
Pri motion ra	-028	Sec motion ra	-003
Pri motion dec	-012	Sec motion dec	-002
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.884

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagitta

Gaia DR2

1809733467161396736

WDS 20057+1719 BPM 1991 : NOTES

discov_num	notes	refcode
BPM1991	[PM2000] 2169292 + [PM2000] 2170133.	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
20057+1719	BPM1991		2000	2	76	95.8	14.80	15.76		NV	200542.86+171912.1
20057+1719	BPM1991		2001	3	76	95.8	14.80	15.76		NV	200542.86+171912.1
20057+1719	BPM1991		2010	4	76	95.4	14.80	15.76		NV	200542.86+171912.1
20057+1719	BPM1991		2015	5	76	95.8	14.80	15.76		NV	200542.86+171912.1

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

WDS 20057+1719 BPM 1991 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20057+1719 BPM 1991 : MEASURES

No records found.

WDS 20057+1719 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20057+1719 : ALADIN DSS IMAGE @ 20^h 05^m 42.86^s +17° 19' 12.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20057+1719 BPM 1991 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20057+1719	BPM1991		76	95.7
Show		20058+1709	BPM1996		153	72.3	11
Show		20046+1729	BPM1978		315	31.2	19
Show		20044+1715	COU 325	AB	225	0.8	20
Show		20044+1715	GII 28	AB,C	107	3.8	20
Show		20073+1718	BPM2008		19	91.1	23
Show		20055+1743	SLE 682		287	11.1	25
Show		20053+1654	BPM1987		213	54.4	27
Show		20041+1704	BUP 202	CH	185	95.6	28
Show		20041+1704	STT 592	AB	291	163.2	28
Show		20041+1704	STT 592	AC	335	217.0	28
Show		20041+1704	BUP 202	AD	3	89.1	28
Show		20041+1704	BUP 202	AE	51	175.0	28
Show		20041+1704	BUP 202	AF	315	142.4	28
Show		20041+1704	LIM 3	Aa,Ab	337	0.5	28
Show		20041+1704	SBN 1	Aa,Ac	95	7.1	28
Show		20041+1704	SMR 20	AI	129	132.1	28
Show		20041+1704	TNN 14	AJ	283	3.3	28
Show		20041+1704	TNN 14	AK	162	6.2	28
Show		20041+1704	TNN 14	AL	140	9.3	28
Show		20040+1704	BPM1970		183	36.6	30
Show		20041+1704	ENG 69	BC	24	152.0	30
Show		20041+1704	STTA202	BG	230	181.4	30
Show		20041+1700	STF2622	AB	193	6.0	30
Show		20041+1700	STF2622	AC	304	17.1	30
Show		20041+1700	EGG 3	Ba,Bb	192	0.2	30
Show		20044+1742	BPM1971		74	114.0	31
Show		20042+1739	SLE 679		232	5.6	32
Show		20058+1647	BPM1995		209	82.9	33
Show		20035+1715	TDT1941		165	1.1	33
Show		20076+1700	BPMA239		355	241.0	33
Show		20081+1714	TDT2011		110	0.6	35
Show		20069+1649	TDT1989		215	1.7	36
Show		20047+1751	SLE 680	AB	309	18.0	36
Show		20047+1751	FYM 279	AC	203	5.8	36
Show		20076+1741	JEF 3		101	12.2	36
Show		20076+1655	BRT1337	AB	223	5.2	37
Show		20076+1655	SLE 684	AC	279	28.2	37
Show		20032+1712	BPM1960		348	93.0	37
Show		20070+1647	BPM2004		262	117.6	38
Show		20039+1746	BPM1969		303	74.6	38
Show		20033+1736	BPM1962		177	88.6	39
Show		20031+1656	BPM1957		81	96.1	45
Show		20064+1802	HJ 2931	AB	312	6.6	45
Show		20064+1802	DOO 80	AC	207	14.5	45
Show		20045+1638	BPM1972	AB	206	37.6	45
Show		20045+1638	BPM1973	AC	330	98.3	45
Show		20045+1638	BPM1974	AD	297	102.2	45
Show		20075+1641	J 832		86	2.9	46
Show		20070+1803	BPM2003		189	114.3	48
Show		20094+1806	DOO 81		256	9.6	48

WDS 20057+1719 : COMPONENTS

	A
B	pa=75.2° sep=91.64"

20057+1719 A

Componente originario normalizzato	AB		Coord arcsec 2000	200542.86+171912.1		Mag	14.8		PmRA	-28.00
PmDE	-12.0

20057+1719 B

Componente originario normalizzato	AB		Coord arcsec 2000	200549.05+171935.6		Mag	15.76		PmRA	-3.00
PmDE	-2.0		Calc delta mag	0.96		Calc coord	yes