19540+1741 BPM 1801 AB

19^h 54^m 00.24^s +17° 40' 54.6" P.A. 312.00 sep 26.7 mag 15.35,15.56

Coord 2000	19540+1741	Discov num	BPM1801	Comp	AB	Coord arcsec 2000	19 54 00.24 +17 40 54.6
Date first	1996	Date last	2015	Obs	8
Pa first	312	Pa last	312	P.A. Now (θ)	312°
Sep first	27.0	Sep last	26.713	Sep. Now (ρ)	26.713"
Mag pri	15.35	Mag sec	15.56	delta mag (ΔM)	0.21	Spectral class
Pri motion ra	+010	Sec motion ra	+000
Pri motion dec	-015	Sec motion dec	-010
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=0.62

This double is not physical.

19540+1741 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 54 00 +17 40 55	BPM 1801 AB	2015	8	312	26.7	15.35	15.56	0.21		<===
Show			19 53 59 +17 41 13	BPM 1802 BC	2015	8	281	103.7	15.56	15.53	0.03

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagitta

Gaia DR2

1821205707097574144

WDS 19540+1741 BPM 1801 AB : NOTES

discov_num	notes	refcode
BPM1801	AB: [PM2000] 2068113 + [PM2000] 2067893.	Gvr2010
BPM1802	BC: [PM2000] 2067893+ [PM2000] 2066682 .	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
19540+1741	BPM1801	AB	1997	2	312	26.8	15.35	15.56		NV	195400.24+174054.6
19540+1741	BPM1801	AB	2001	3	312	26.9	15.35	15.56		NV	195400.24+174054.6
19540+1741	BPM1801	AB	2015	4	312	26.8	15.35	15.56		NU	195400.24+174054.6

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

WDS 19540+1741 BPM 1801 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19540+1741 BPM 1801 AB : MEASURES

No records found.

WDS 19540+1741 : VIRTUAL EYEPIECE

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

WDS 19540+1741 : ALADIN DSS IMAGE @ 19^h 54^m 00.24^s +17° 40' 54.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19540+1741 BPM 1801 AB : 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		19540+1741	BPM1801	AB	312	26.7	1
Show		19540+1741	BPM1802	BC	281	103.7	1
Show		19542+1744	J 830	AB	194	3.5	4
Show		19543+1743	J 3031		133	8.6	5
Show		19543+1746	BPM1811		121	44.0	6
Show		19544+1741	BPM1817		40	51.6	7
Show		19543+1745	BPMA203		244	267.1	7
Show		19536+1745	TDT1830		155	1.3	7
Show		19534+1741	J 3025		60	5.8	10
Show		19533+1740	J 3024		222	4.1	14
Show		19542+1755	BPM1808		195	86.6	14
Show		19540+1726	BPMA201		115	243.0	15
Show		19546+1753	BPMA204		20	161.1	15
Show		19550+1737	GRV 293		36	56.2	16
Show		19538+1725	BPM1799		249	113.0	16
Show		19551+1731	BPM1828		224	100.8	19
Show		19548+1759	BPM1824		307	61.1	22
Show		19543+1719	BPM1815		247	21.9	23
Show		19523+1737	HEI9013		330	4.2	25
Show		19525+1726	HDS2832		1	2.4	26
Show		19543+1713	COU 324		51	1.0	29
Show		19547+1714	BPM1823		294	104.0	29
Show		19549+1715	HO 115	AB	352	5.9	29
Show		19549+1715	HO 115	AC	85	49.2	29
Show		19524+1722	BPM1767		277	52.6	30
Show		19535+1810	BPMA200		115	251.8	30
Show		19551+1714	BPM1827		107	92.0	31
Show		19518+1744	BPM1736		225	113.5	31
Show		19560+1753	HO 116	AB	20	3.9	32
Show		19560+1753	HJ 2908	AC	12	18.0	32
Show		19559+1723	BPMA208	AB	125	262.2	32
Show		19522+1722	J 3023		113	5.7	34
Show		19519+1725	J 1317		59	2.6	35
Show		19519+1723	J 829		272	2.5	35
Show		19526+1809	BPMA197		101	209.6	35
Show		19564+1750	BPMA214		29	169.4	35
Show		19519+1722	J 3022		125	6.0	35
Show		19528+1813	TDT1821		234	2.1	36
Show		19522+1715	BPM1756	AB	143	78.4	36
Show		19522+1715	BPM1757	AC	221	68.9	36
Show		19564+1751	BRT2292		341	2.1	37
Show		19559+1723	BPMA209	BC	65	136.0	37
Show		19522+1715	BPM1758	BC	276	93.0	37
Show		19517+1758	BPM1731		298	108.9	37
Show		19514+1746	BPM1721		3	91.5	38
Show		19561+1807	GCB 49		285	3.4	39
Show		19513+1741	KPP3348		353	5.7	39
Show		19515+1723	BPM1726		251	110.2	40
Show		19531+1704	BPM1782		122	108.1	40
Show		19561+1808	J 499		224	2.9	40
Show		19538+1820	BPM1798		315	78.5	40

WDS 19540+1741 : COMPONENTS

	A	B
B	pa=312.3° sep=27.05"
C	pa=288.2° sep=123.12"	pa=281.8° sep=99.04"

19540+1741 A

Coord arcsec 2000

195400.24+174054.6

Mag

15.35

PmRA

10.00

PmDE

-15.0

19540+1741 B

Coord arcsec 2000	195358.84+174112.8		Coord calc	195358.84+174112.8		Mag	15.56		PmRA	0.00
PmDE	-10.0		Calc delta mag	0.21

19540+1741 C

Coord arcsec 2000	195352.06+174133.1		Mag	15.53		PmRA	1.00		PmDE	-19.0
Calc delta mag	0.18		Calc coord	yes