19491+2259 CHE 151

19^h 48^m 47.36^s +22° 57' 58.7" P.A. 280.00 sep 20.9 mag 12.82,13.74

Coord 2000	19491+2259	Discov num	CHE 151	Comp		Coord arcsec 2000	19 48 47.36 +22 57 58.7
Date first	1907	Date last	2015	Obs	10
Pa first	282	Pa last	279.9	P.A. Now (θ)	279.9°
Sep first	21.5	Sep last	20.936	Sep. Now (ρ)	20.936"
Mag pri	12.82	Mag sec	13.74	delta mag (ΔM)	0.92	Spectral class
Pri motion ra	+001	Sec motion ra	-011
Pri motion dec	-002	Sec motion dec	-011
Notes	N (See Notes)

rPM=0.964

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Gaia DR2

1828202518054465536

WDS 19491+2259 CHE 151 : NOTES

discov_num	notes	refcode
CHE 151	There was an error in Chevalier's coordinates due to incorrect	Che1908
	plate center coordinates. In addition, there was a trigonometric
	error in deriving theta; the correct value is 180deg - theta.	Hrt2012b
	Berko's match to this pair was correct.	Bko2011c

REFERENCES

refcode	metd	author	reference
Bko2011c	C u	Berko, E.	...................
Bko2011c		Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Che1908	Pa -	Chevalier, Stanislas	.
Che1908		Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Hrt2012b	E2 -	Hartkopf, W.I.	...................
Hrt2012b		Webb Soc., Double Star Circ. 20, 2012

DISCOVERER

discov	author
BKO	Ladanyi, T. & Berko, E.
HRT	Hartkopf, W.I., McAlister, H.A., Mason, B.D., ten Brummelaar, T.A., Roberts, J.C.,
HRT	Jr., Turner, N.H., & Wilson, J.W.
HRT	Hartkopf, W.I., W.I., Mason, B.D., Gies, D.R., ten Brummelaar, T.,
HRT	McAlister, H.A., Moffat, A.F.J., Shara, M.M., & Wallace, D.J.
HRT	Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,
HRT	Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
HRT	Hartkopf, W.I., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., Turner, N.H.,
HRT	ten Brummelaar, T.A., Prieto, C.M., Ling, J.F., & Franz, O.G.
HRT	Mason, B.D., Henry, T.J., Soderblom. D.R., Hartkopf, W.I., Holdenreid, E.R.,
HRT	Rafferty, T.J., & Urban, S.E.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
19491+2259	CHE 151		1907	1	258	21.5	11.70	12.10				194905.38+225903.0
19491+2259	CHE 151		2008	3	280	21.3	12.00	13.70			N	194847.36+225758.7
19491+2259	CHE 151		2014	5	278	20.8	12.82	13.74			N	194847.36+225758.7
19491+2259	CHE 151		2015	7	280	21.1	12.82	13.74			N	194847.36+225758.7

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

WDS 19491+2259 CHE 151 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19491+2259 CHE 151 : MEASURES

No records found.

WDS 19491+2259 : VIRTUAL EYEPIECE

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WDS 19491+2259 : ALADIN DSS IMAGE @ 19^h 48^m 47.36^s +22° 57' 58.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19491+2259 CHE 151 : 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		19491+2259	CHE 151		280	20.9	0
Show		19484+2309	BKO 982		267	12.5	12
Show		19485+2309	CHE 149		262	16.4	14
Show		19485+2311	POU4092		114	5.9	14
Show		19483+2312	POU4084		315	9.5	16
Show		19483+2314	BKO 436		307	5.3	18
Show		19486+2315	POU4093		198	16.0	18
Show		19479+2312	BKO 981		288	8.3	19
Show		19498+2310	POU4111		279	9.2	19
Show		19492+2316	POU4103		142	8.8	19
Show		19484+2317	POU4086		242	15.3	20
Show		19495+2234	CHE 153		114	21.5	26
Show		19506+2304	BKO 989		22	3.0	26
Show		19508+2310	CHE 158		148	8.9	26
Show		19500+2317	BKO 988		170	8.9	26
Show		19503+2314	POU4115		103	10.5	26
Show		19495+2334	BKO 984		228	7.7	27
Show		19494+2233	BKO 983		300	6.3	27
Show		19507+2306	BKO 992		75	7.0	28
Show		19503+2240	BU 361	AB	348	3.6	28
Show		19503+2240	BU 361	AC	79	55.9	28
Show		19496+2324	POU4107		167	17.1	28
Show		19511+2306	CHE 162	AB	75	23.1	29
Show		19511+2306	BKO 999	AC	359	7.4	29
Show		19507+2309	BKO 991		337	9.2	29
Show		19511+2306	BKO 999	BD	170	5.8	30
Show		19495+2230	CHE 154		114	20.3	30
Show		19498+2324	J 496	AB	264	5.1	30
Show		19498+2324	J 496	AC	293	27.5	30
Show		19509+2306	BKO 995		92	6.2	30
Show		19496+2230	BKO 985		111	5.3	31
Show		19512+2306	CHE 164		108	24.4	31
Show		19513+2308	CHE 166	AB	257	11.8	32
Show		19513+2308	CHE 166	AC	15	19.5	32
Show		19513+2304	CHE 167		208	10.0	32
Show		19513+2308	BKO 997	CD	19	12.6	32
Show		19490+2227	CHE 150		88	31.1	32
Show		19513+2309	CHE 165		155	12.1	32
Show		19496+2228	BKO 986		141	4.1	33
Show		19510+2306	BKO 998	AB	47	9.5	33
Show		19510+2306	BKO 998	AC	110	10.8	33
Show		19510+2306	BKO 998	AD	161	8.9	33
Show		19512+2253	BKO1002		145	6.4	34
Show		19489+2332	POU4098		109	14.4	35
Show		19508+2234	CHE 159		224	22.3	35
Show		19509+2235	CHE 160		150	28.5	35
Show		19510+2316	BKO 996		222	5.9	35
Show		19513+2303	BKO1004		182	9.4	36
Show		19470+2323	POU4073		271	10.6	36
Show		19517+2257	CHE 170		62	14.8	36
Show		19512+2308	BKO1001		105	5.1	36

WDS 19491+2259 : COMPONENTS

	A
B	pa=279.9° sep=20.94"

19491+2259 A

Coord arcsec 2000

194847.36+225758.7

Mag

12.82

PmRA

1.00

PmDE

-2.0

19491+2259 B

Coord arcsec 2000	194845.87+225802.3		Mag	13.74		PmRA	-11.00		PmDE	-11.0
Delta magnitude	0.92		Coordinate calculated	yes