19538+1820 BPM 1798

19^h 53^m 47.85^s +18° 20' 23.3" P.A. 315.00 sep 78.5 mag 14.61,15.15

Coord 2000	19538+1820	Discov num	BPM1798	Comp		Coord arcsec 2000	19 53 47.85 +18 20 23.3
Date first	1996	Date last	2015	Obs	9
Pa first	315	Pa last	315	P.A. Now (θ)	315°
Sep first	78.7	Sep last	78.45	Sep. Now (ρ)	78.45"
Mag pri	14.61	Mag sec	15.15	delta mag (ΔM)	0.54	Spectral class
Pri motion ra	-017	Sec motion ra	-003
Pri motion dec	-004	Sec motion dec	-031
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.977

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagitta

Gaia DR2

1821382625388585728

WDS 19538+1820 BPM 1798 : NOTES

discov_num	notes	refcode
BPM1798	[PM2000] 2066004 + [PM2000] 2065357.	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
19538+1820	BPM1798		2000	2	315	78.5	14.61	15.15		NV	195347.85+182023.3
19538+1820	BPM1798		2001	3	315	78.5	14.61	15.15		NV	195347.85+182023.3
19538+1820	BPM1798		2010	4	315	78.5	14.61	15.15		NV	195347.85+182023.3
19538+1820	BPM1798		2015	5	315	78.5	14.61	15.15		NV	195347.85+182023.3

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

WDS 19538+1820 BPM 1798 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19538+1820 BPM 1798 : MEASURES

No records found.

WDS 19538+1820 : VIRTUAL EYEPIECE

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

WDS 19538+1820 : ALADIN DSS IMAGE @ 19^h 53^m 47.85^s +18° 20' 23.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19538+1820 BPM 1798 : 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		19538+1820	BPM1798		315	78.5
Show		19535+1810	BPMA200		115	251.8	12
Show		19528+1813	TDT1821		234	2.1	16
Show		19525+1818	GRV 290		18	26.6	18
Show		19552+1823	BPM1830		308	53.5	21
Show		19526+1809	BPMA197		101	209.6	21
Show		19535+1846	MAA 2		96	1.3	26
Show		19548+1759	BPM1824		307	61.1	26
Show		19542+1755	BPM1808		195	86.6	27
Show		19540+1847	J 3028		307	4.8	27
Show		19519+1810	BPM1740		306	82.6	29
Show		19546+1753	BPMA204		20	161.1	30
Show		19518+1810	TDT1808		98	0.8	31
Show		19527+1848	J 151		196	4.2	33
Show		19515+1815	KPP 446		161	4.7	34
Show		19515+1809	BPMA195		102	177.1	35
Show		19561+1807	GCB 49		285	3.4	35
Show		19561+1808	J 499		224	2.9	35
Show		19543+1746	BPM1811		121	44.0	36
Show		19536+1745	TDT1830		155	1.3	36
Show		19543+1745	BPMA203		244	267.1	36
Show		19517+1758	BPM1731		298	108.9	37
Show		19542+1744	J 830	AB	194	3.5	38
Show		19543+1743	J 3031		133	8.6	39
Show		19528+1856	J 1177		80	1.9	39
Show		19540+1741	BPM1802	BC	281	103.7	40
Show		19540+1741	BPM1801	AB	312	26.7	40
Show		19514+1759	BPM1722		24	113.2	41
Show		19544+1741	BPM1817		40	51.6	41
Show		19534+1741	J 3025		60	5.8	41
Show		19560+1753	HO 116	AB	20	3.9	42
Show		19560+1753	HJ 2908	AC	12	18.0	42
Show		19556+1855	GWP2909		245	10.9	43
Show		19533+1740	J 3024		222	4.1	43
Show		19518+1744	BPM1736		225	113.5	46
Show		19550+1737	GRV 293		36	56.2	47
Show		19564+1751	BRT2292		341	2.1	48
Show		19564+1750	BPMA214		29	169.4	48
Show		19571+1809	BPM1855		236	108.5	48
Show		19514+1746	BPM1721		3	91.5	49
Show		19523+1737	HEI9013		330	4.2	49
Show		19567+1751	BPM1847		177	104.1	51
Show		19505+1802	TDT1796		48	1.9	51
Show		19549+1909	J 1145		312	1.5	52
Show		19505+1839	TDT1795		115	0.6	52
Show		19508+1750	BPMA190		46	173.6	53
Show		19551+1731	BPM1828		224	100.8	53
Show		19513+1741	KPP3348		353	5.7	53
Show		19557+1906	TDS1024		285	1.3	53
Show		19507+1752	BPM1696		69	39.1	54
Show		19540+1726	BPMA201		115	243.0	55

WDS 19538+1820 : COMPONENTS

	A
B	pa=316.5° sep=76.48"

19538+1820 A

Componente originario normalizzato	AB		Coord arcsec 2000	195347.85+182023.3		Mag	14.61		PmRA	-17.00
PmDE	-4.0

19538+1820 B

Componente originario normalizzato	AB		Coord arcsec 2000	195344.15+182118.8		Mag	15.15		PmRA	-3.00
PmDE	-31.0		Calc delta mag	0.54		Calc coord	yes