20446+1312 TDS 1098

20^h 44^m 35.65^s +13° 11' 42.9" P.A. 279.00 sep 0.9 mag 10.66,11.83

Coord 2000	20446+1312	Discov num	TDS1098	Comp		Coord arcsec 2000	20 44 35.65 +13 11 42.9
Date first	1991	Date last	1991	Obs	1
Pa first	279	Pa last	278.8	P.A. Now (θ)	278.8°
Sep first	0.9	Sep last	0.897	Sep. Now (ρ)	0.897"
Mag pri	10.66	Mag sec	11.83	delta mag (ΔM)	1.17	Spectral class
Pri motion ra	+012	Sec motion ra	+012
Pri motion dec	-006	Sec motion dec	-006
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Tycho2

1101-02049-1

Gaia DR2

1761267578722909696

WDS 20446+1312 TDS 1098 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20446+1312	TDS1098		1991	1	279	0.9	10.66	11.83			204435.65+131142.9

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WDS 20446+1312 TDS 1098 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20446+1312 TDS 1098 : MEASURES

No records found.

WDS 20446+1312 : VIRTUAL EYEPIECE

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WDS 20446+1312 : ALADIN DSS IMAGE @ 20^h 44^m 35.65^s +13° 11' 42.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20446+1312 TDS 1098 : 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		20446+1312	TDS1098		279	0.9
Show		20440+1256	DAM 218		342	5.7	18
Show		20457+1302	WFC 258		284	11.7	19
Show		20439+1255	J 1888		158	10.0	22
Show		20446+1333	YSC 242	AB	157	1.5	22
Show		20438+1330	BPM2238		50	66.9	22
Show		20450+1244	BU 64	AB	174	0.7	29
Show		20450+1244	STTA209	AC	155	97.2	29
Show		20450+1244	BU 64	AD	117	64.3	29
Show		20450+1244	D 32	CD	15	60.8	31
Show		20426+1300	GWP2988		23	19.1	32
Show		20466+1334	GWP2996		157	54.2	37
Show		20426+1335	HEI 279	BC	211	4.1	38
Show		20426+1335	HEI 279	AB	115	25.1	38
Show		20428+1244	BPM2234		331	93.5	39
Show		20471+1257	BPM2265		51	16.1	40
Show		20441+1258	J 1889		10	4.6	41
Show		20426+1244	STF2718	BC	346	167.3	41
Show		20426+1244	STF2718	AB	87	8.5	41
Show		20426+1244	STF2718	AC	346	167.2	41
Show		20460+1235	KPP 477		52	4.5	43
Show		20467+1343	BPM2262		331	74.6	44
Show		20421+1341	BPM2232		346	68.4	48
Show		20440+1225	HJ 1566	AB	16	16.9	48
Show		20440+1225	HJ 1566	AC	331	32.4	48
Show		20413+1327	BPM2228	BC	141	118.1	51
Show		20413+1327	BPM2227	AB	173	68.5	51
Show		20449+1219	B 2910	Aa,Ab	52	0.1	54
Show		20449+1219	STF2723	AB	140	1.0	54
Show		20449+1219	BU 1492	AC	30	37.0	54
Show		20458+1405	BPM2256		194	73.0	56
Show		20418+1231	STF2715		2	12.4	58
Show		20408+1332	GWP2982		31	88.8	60
Show		20442+1209	BPM2240		148	55.1	63
Show		20445+1415	BPM2244		315	57.7	64
Show		20488+1248	GWP3000		280	24.1	66
Show		20418+1404	J 2575		305	1.7	67
Show		20444+1205	A 875		208	2.5	67
Show		20405+1240	HEI 278		135	3.4	68
Show		20402+1248	BPM2223		290	95.3	69
Show		20420+1212	BPM2231		330	108.9	71
Show		20396+1310	J 912		125	1.8	73
Show		20492+1243	GWP3001		126	94.3	73
Show		20496+1322	TDT2565		136	1.4	74
Show		20481+1404	UC 4293		5	14.4	74
Show		20468+1420	BRT1347		30	3.3	76
Show		20486+1223	BPM2273		132	52.3	76
Show		20497+1331	BPM2277		190	94.4	77
Show		20446+1154	BPM2251		51	84.7	78
Show		20419+1419	HU 1199		249	0.7	78
Show		20498+1321	HJ 1578		311	11.5	78

WDS 20446+1312 : COMPONENTS

	A
B	pa=279.0° sep=0.87"

20446+1312 A

Componente originario normalizzato	AB		Coord arcsec 2000	204435.65+131142.9		Mag	10.66		PmRA	12.00
PmDE	-6.0		Tycho2	1101-02049-1

Tycho2

Tycho2	1101-02049-1	Pflag	P	RAmdeg	311.14855640	DEmdeg	13.19525398
PmRA	11.5	PmDE	-6.2	E RAmdeg	35	E DEmdeg	43
E pmRA	1.7	E pmDE	1.7	EpRAm	1986.41	EpDEm	1983.20
Num	4	Q RAmdeg	0.9	Q DEmdeg	1.4	Q pmRA	0.9
Q pmDE	1.5	BTmag	11.223	E BTmag	0.067	VTmag	10.658
E VTmag	0.062	Prox	9	TYC	T	HIP
CCDM		RAdeg	311.14856806	DEdeg	13.19526250	EpRA 1990	1.75
EpDE 1990	1.55	E RAdeg	36.2	E DEdeg	44.6	Posflg	D
Corr	-0.2

20446+1312 B

Componente originario normalizzato	AB		Coord arcsec 2000	204435.59+131143.0		Mag	11.83		PmRA	12.00
PmDE	-6.0		Tycho2	1101-02049-2		Calc delta mag	1.17		Calc coord	yes

Tycho2

Tycho2	1101-02049-2	Pflag	P	RAmdeg	311.14855640	DEmdeg	13.19525398
PmRA	11.5	PmDE	-6.2	E RAmdeg	35	E DEmdeg	43
E pmRA	1.7	E pmDE	1.7	EpRAm	1986.41	EpDEm	1983.20
Num	4	Q RAmdeg	0.9	Q DEmdeg	1.4	Q pmRA	0.9
Q pmDE	1.5	BTmag	12.506	E BTmag	0.239	VTmag	11.827
E VTmag	0.191	Prox	9	TYC		HIP
CCDM		RAdeg	311.14831528	DEdeg	13.19530056	EpRA 1990	1.75
EpDE 1990	1.54	E RAdeg	89.9	E DEdeg	111.0	Posflg	D
Corr	-0.2