20104+2548 TDT2047

20^h 10^m 21.52^s +25° 47' 32.6" P.A. 298.00 sep 0.7 mag 11.95,12.14

Coord 2000	20104+2548	Discov num	TDT2047	Comp		Coord arcsec 2000	20 10 21.52 +25 47 32.6
Date first	1991	Date last	1991	Obs	1
Pa first	298	Pa last	298	P.A. Now (θ)	298°
Sep first	0.7	Sep last	0.7	Sep. Now (ρ)	0.7"
Mag pri	11.95	Mag sec	12.14	delta mag (ΔM)	0.19	Spectral class
Pri motion ra	+017	Sec motion ra	+017
Pri motion dec	+000	Sec motion dec	+000
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	297.5		Precise sep	0.73		Constellation	Vulpecula		Tycho2	2158-00771-1
Gaia DR2	1835574434255605376		HD	339696

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20104+2548	TDT2047		1991	1	298	0.7	11.95	12.14			201021.52+254732.6

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

WDS 20104+2548 TDT2047 : NOTES

No records found.

DISCOVERER

discov	refcode	author
TDS	TDT	Tycho Double Star (from additional DD list)

WDS 20104+2548 TDT2047 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20104+2548 TDT2047 : MEASURES

No records found.

WDS 20104+2548 TDT2047 : Virtual Eyepiece

Radius:

WDS 20104+2548 TDT2047 : Aladin DSS image @ 20^h 10^m 21.52^s +25° 47' 32.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9

WDS 20104+2548 TDT2047 : 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	sep	pa	dist(')
Show		20104+2548	TDT2047		0.70	298	1
Show		20102+2536	FOX 33		1.10	102	12
Show		20104+2532	AG 400		5.50	12	17
Show		20120+2554	DOO 14		1.90	273	23
Show		20126+2539	DOO 15	BC	2.50	170	29
Show		20126+2539	OPI 22	BD	45.80	245	29
Show		20126+2539	OPI 22	BE	38.80	247	29
Show		20116+2523	POU4257		15.30	9	31
Show		20126+2539	DOO 15	AB	117.40	298	31
Show		20110+2619	KPP 3		4.50	63	33
Show		20089+2520	AG 247		39.60	30	34
Show		20126+2529	BRT3355		3.90	206	35
Show		20104+2512	POU4245		9.90	71	36
Show		20102+2510	POU4241		8.60	0	39
Show		20094+2511	TDT2031		0.60	43	40
Show		20103+2508	POU4243		8.40	99	40
Show		20119+2622	BU 982		1.20	67	41
Show		20074+2558	TDT1996		0.50	20	41
Show		20117+2512	POU4259		8.60	13	41
Show		20106+2629	TDT2050		0.60	220	42
Show		20130+2527	BKO 805		6.70	224	42
Show		20103+2506	POU4242		17.80	292	43
Show		20119+2625	HDS2879		0.30	162	43
Show		20126+2621	TDS1050		1.20	305	45
Show		20105+2503	COU 122		0.60	353	45
Show		20080+2514	POU4227		7.70	8	46
Show		20093+2503	BAR 53	AB	1	296	47
Show		20093+2503	BAR 53	AC	23.70	1	47
Show		20072+2611	A 2996		3	257	49
Show		20086+2504	POU4233		14.60	241	50
Show		20106+2455	POU4246		6	96	53
Show		20076+2505	POU4223		4.30	27	56
Show		20126+2454	POU4271		4.90	75	61
Show		20058+2536	HJ 1479		34.30	3	63
Show		20061+2613	TDT1977		0.50	311	63
Show		20144+2453	POU4300		16.60	268	63
Show		20070+2503	POU4219	BC	5.90	276	64
Show		20070+2503	LOS 4	AB	3.10	111	64
Show		20070+2503	POU4219	AC	3.10	261	64
Show		20077+2453	POU4224		7.20	48	66
Show		20153+2536	BU 983	AB	0.40	190	68
Show		20153+2536	BU 983	AC	115.70	83	68
Show		20122+2445	POU4266		6	343	68
Show		20078+2646	A 279		1.60	33	69
Show		20104+2439	A 384		1.30	357	69
Show		20088+2437	TDT2020		2.30	153	74
Show		20084+2439	TDT2014		0.60	40	74
Show		20146+2459	POU4304		17.80	325	75
Show		20110+2433	POU4251		16.40	257	75
Show		20050+2526	FMR 157		24.50	356	77
Show		20140+2449	BKO 809		6.80	183	77

20104+2548 : COMPONENTS

	A
B	pa=300.0° sep=0.67"

20104+2548 A

Coord arcsec 2000	201021.52+254732.6		Mag	11.95		PmRA	17.0		PmDE	0.0
Tycho2	2158-00771-1		Gaia DR2	1835574434255605376		HD	339696

Tycho2

TYCHO2	2158-00771-1	Pflag		RAmdeg	302.58953677	DEmdeg	25.79244282
PmRA	17.2	PmDE	-0.1	E RAmdeg	39	E DEmdeg	42
E pmRA	2.4	E pmDE	2.4	EpRAm	1988.72	EpDEm
Num	3	Q RAmdeg	0.2	Q DEmdeg	1.0	Q pmRA	0.2
Q pmDE	1.0	BTmag	11.773	E BTmag	0.061	VTmag	11.249
E VTmag	0.066	Prox	999	TYC		HYP
CCDM		RAdeg	302.58949333	DEdeg	25.79244306	EpRA 1990	1.77
EpDE 1990	1.76	E RAdeg	40.4	E DEdeg	43.1	Posflg
Corr	0.3

20104+2548 B

Coord arcsec 2000	201021.48+254732.9		Mag	12.14		PmRA	17.0		PmDE	0.0
HD	339696