18420+2221 TDT 1008

18^h 41^m 58.15^s +22° 20' 55.2" P.A. 41.00 sep 2.4 mag 12.88,14.21

Coord 2000	18420+2221	Discov num	TDT1008	Comp		Coord arcsec 2000	18 41 58.15 +22 20 55.2
Date first	1991	Date last	1991	Obs	1
Pa first	41	Pa last	41	P.A. Now (θ)	41°
Sep first	2.4	Sep last	2.36	Sep. Now (ρ)	2.36"
Mag pri	12.88	Mag sec	14.21	delta mag (ΔM)	1.33	Spectral class
Pri motion ra	+007	Sec motion ra	+007
Pri motion dec	+004	Sec motion dec	+004
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Tycho2

1595-00595-1

Gaia DR2

4532014065848947712

WDS 18420+2221 TDT 1008 : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18420+2221	TDT1008		1991	1	41	2.4	12.88	14.21			184158.15+222055.2

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WDS 18420+2221 TDT 1008 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18420+2221 TDT 1008 : MEASURES

No records found.

WDS 18420+2221 : VIRTUAL EYEPIECE

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WDS 18420+2221 : ALADIN DSS IMAGE @ 18^h 41^m 58.15^s +22° 20' 55.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18420+2221 TDT 1008 : 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		18420+2221	TDT1008		41	2.4
Show		18426+2209	COU 208		304	0.3	16
Show		18406+2230	TDT 989		233	2.4	21
Show		18442+2231	COU 209	AB	38	2.1	33
Show		18442+2231	COU 209	AC	204	39.8	33
Show		18443+2224	HU 1657		244	0.3	33
Show		18408+2142	HU 324		113	0.9	43
Show		18389+2222	COU 207		298	1.6	43
Show		18428+2302	POU3495		40	5.4	43
Show		18449+2234	HDS2655		196	0.3	44
Show		18438+2309	POU3509		37	7.1	55
Show		18438+2312	POU3510		248	13.1	58
Show		18412+2318	POU3479		178	7.2	59
Show		18445+2310	POU3517		310	6.2	61
Show		18443+2315	POU3515		239	12.1	64
Show		18433+2322	POU3500		248	12.1	64
Show		18425+2116	BRT2448		294	3.8	66
Show		18388+2309	POU3451		310	7.4	66
Show		18441+2320	POU3512		54	11.6	67
Show		18438+2324	POU3508		27	11.6	68
Show		18451+2313	POU3527		266	9.4	68
Show		18426+2329	POU3493		177	6.2	69
Show		18435+2327	POU3505		258	5.0	70
Show		18400+2324	POU3460		120	11.5	70
Show		18416+2331	POU3486		349	21.1	70
Show		18402+2328	POU3464		332	9.6	71
Show		18429+2331	POU3496		52	9.7	71
Show		18412+2111	TDT 994		27	0.7	72
Show		18452+2318	WLY 13		263	11.1	73
Show		18469+2243	TDT1052		77	0.5	73
Show		18472+2213	JNN 119		270	0.4	73
Show		18455+2316	POU3532		211	9.8	75
Show		18437+2332	POU3506		84	8.9	75
Show		18366+2206	HJ 2834		246	19.7	76
Show		18453+2321	POU3530		301	11.3	77
Show		18389+2324	TDT 972		47	0.8	77
Show		18378+2310	POU3443		43	2.8	77
Show		18451+2323	POU3525		233	10.2	77
Show		18401+2335	POU3461		244	3.1	79
Show		18445+2333	POU3516		198	4.7	80
Show		18437+2337	POU3507		104	7.8	81
Show		18431+2345	POU3498		264	14.0	85
Show		18462+2323	POU3540		213	11.9	86
Show		18410+2346	POU3475		22	13.7	86
Show		18390+2337	POU3453		102	10.1	87
Show		18439+2344	POU3511		145	23.2	88
Show		18363+2143	COU 206		149	0.1	88
Show		18415+2349	POU3483		183	7.4	88
Show		18392+2341	POU3454		274	13.3	89
Show		18428+2350	POU3494		58	12.1	89
Show		18452+2338	POU3528		2	5.8	90

WDS 18420+2221 : COMPONENTS

	A
B	pa=38.8° sep=2.29"

18420+2221 A

Componente originario normalizzato	AB		Coord arcsec 2000	184158.15+222055.2		Mag	12.88		PmRA	7.00
PmDE	4.0		Tycho2	1595-00595-1

Tycho2

Tycho2	1595-00595-1	Pflag		RAmdeg	280.49228677	DEmdeg	22.34869296
PmRA	6.9	PmDE	4.2	E RAmdeg	95	E DEmdeg	77
E pmRA	2.7	E pmDE	2.6	EpRAm	1974.95	EpDEm	1980.99
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	13.837	E BTmag	0.255	VTmag	12.895
E VTmag	0.164	Prox	999	TYC		HIP
CCDM		RAdeg	280.49226861	DEdeg	22.34868333	EpRA 1990	1.50
EpDE 1990	1.68	E RAdeg	105.2	E DEdeg	82.2	Posflg
Corr	-0.1

18420+2221 B

Componente originario normalizzato	AB		Coord arcsec 2000	184158.25+222057.0		Mag	14.21		PmRA	7.00
PmDE	4.0		Calc delta mag	1.33		Calc coord	yes