19498+1802 BPM 1664

19^h 49^m 46.66^s +18° 02' 01.8" P.A. 333.00 sep 44.7 mag 14.88,15.90

Coord 2000	19498+1802	Discov num	BPM1664	Comp		Coord arcsec 2000	19 49 46.66 +18 02 01.8
Date first	1996	Date last	2015	Obs	8
Pa first	333	Pa last	332.5	P.A. Now (θ)	332.5°
Sep first	44.6	Sep last	44.651	Sep. Now (ρ)	44.651"
Mag pri	14.88	Mag sec	15.90	delta mag (ΔM)	1.02	Spectral class
Pri motion ra	-057	Sec motion ra	-020
Pri motion dec	-021	Sec motion dec	-007
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.651

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagitta

Gaia DR2

1821454334168086144

WDS 19498+1802 BPM 1664 : NOTES

discov_num	notes	refcode
BPM1664	[PM2000] 2021624 + [PM2000] 2021364.	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
19498+1802	BPM1664		2000	2	333	44.6	14.88	15.90		NV	194946.66+180201.8
19498+1802	BPM1664		2001	3	333	44.6	14.88	15.90		NV	194946.66+180201.8
19498+1802	BPM1664		2010	4	332	44.9	14.88	15.90		NV	194946.66+180201.8
19498+1802	BPM1664		2015	5	332	44.7	14.88	15.90		NV	194946.66+180201.8

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

WDS 19498+1802 BPM 1664 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19498+1802 BPM 1664 : MEASURES

No records found.

WDS 19498+1802 : VIRTUAL EYEPIECE

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

WDS 19498+1802 : ALADIN DSS IMAGE @ 19^h 49^m 46.66^s +18° 02' 01.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19498+1802 BPM 1664 : 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		19498+1802	BPM1664		333	44.7
Show		19500+1757	H 4 99	AB	83	25.6	6
Show		19500+1757	H 4 99	AC	256	68.8	6
Show		19500+1757	H 4 99	AD	340	44.1	6
Show		19500+1757	ABH 126	AE	143	71.0	6
Show		19505+1802	TDT1796		48	1.9	10
Show		19502+1748	J 3017		51	5.5	16
Show		19507+1752	BPM1696		69	39.1	17
Show		19494+1745	UC 248		244	31.6	19
Show		19508+1750	BPMA190		46	173.6	19
Show		19498+1741	BPM1665		270	102.7	22
Show		19494+1740	BPM1650		316	48.4	23
Show		19502+1741	TDT1790		9	2.5	23
Show		19507+1743	BPM1698		88	68.5	24
Show		19514+1759	BPM1722		24	113.2	24
Show		19481+1803	BPM1603		109	101.8	24
Show		19498+1737	BPM1666		176	82.6	25
Show		19480+1758	BPM1599		182	48.6	26
Show		19515+1809	BPMA195		102	177.1	26
Show		19481+1814	GRV 280		228	40.0	27
Show		19479+1806	J 1187		196	1.3	28
Show		19515+1815	KPP 446		161	4.7	28
Show		19517+1758	BPM1731		298	108.9	29
Show		19514+1746	BPM1721		3	91.5	29
Show		19492+1830	GRV 283		342	34.2	30
Show		19479+1750	BPM1593		187	108.1	30
Show		19518+1810	TDT1808		98	0.8	30
Show		19513+1741	KPP3348		353	5.7	31
Show		19477+1802	BPMA175		152	225.0	31
Show		19487+1735	GWP2896		223	290.6	32
Show		19519+1810	BPM1740		306	82.6	32
Show		19508+1733	KPP 445		6	4.7	33
Show		19518+1744	BPM1736		225	113.5	35
Show		19473+1805	BPM1558		27	62.2	36
Show		19484+1834	TDT1772		139	0.6	38
Show		19505+1726	J 141		45	4.4	38
Show		19505+1839	TDT1795		115	0.6	39
Show		19497+1842	J 3344		301	9.8	41
Show		19526+1809	BPMA197		101	209.6	41
Show		19471+1750	BPM1548		22	78.3	41
Show		19497+1720	BPM1660		340	85.3	42
Show		19498+1844	J 3014		346	6.4	43
Show		19491+1720	BPM1638		12	96.4	44
Show		19525+1818	GRV 290		18	26.6	44
Show		19496+1718	GRV 286		87	29.2	44
Show		19523+1737	HEI9013		330	4.2	45
Show		19468+1751	BRT2458		331	3.2	45
Show		19528+1813	TDT1821		234	2.1	45
Show		19477+1836	J 827		35	3.2	46
Show		19486+1844	J 3011	AB	305	10.0	46
Show		19486+1844	FYM 277	AC	253	19.0	46

WDS 19498+1802 : COMPONENTS

	A
B	pa=333.7° sep=44.19"

19498+1802 A

Componente originario normalizzato	AB		Coord arcsec 2000	194946.66+180201.8		Mag	14.88		PmRA	-57.00
PmDE	-21.0

19498+1802 B

Componente originario normalizzato	AB		Coord arcsec 2000	194945.29+180241.4		Mag	15.9		PmRA	-20.00
PmDE	-7.0		Calc delta mag	1.02		Calc coord	yes