16545+7145 TDS 842

16^h 54^m 32.37^s +71° 45' 13.1" P.A. 25.00 sep 1.6 mag 10.31,11.92

Coord 2000	16545+7145	Discov num	TDS 842	Comp		Coord arcsec 2000	16 54 32.37 +71 45 13.1
Date first	1991	Date last	2016	Obs	4
Pa first	33	Pa last	25.1	P.A. Now (θ)	25.1°
Sep first	1.4	Sep last	1.58	Sep. Now (ρ)	1.58"
Mag pri	10.31	Mag sec	11.92	delta mag (ΔM)	1.61	Spectral class
Pri motion ra	-001	Sec motion ra	-001
Pri motion dec	+016	Sec motion dec	+016
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Tycho2

4423-01979-1

Gaia DR2

1650515249927468672

WDS 16545+7145 TDS 842 : 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
16545+7145	TDS 842		2002	2	25	1.5	10.31	11.92			165432.37+714513.1
16545+7145	TDS 842		2015	3	25	1.6	10.31	11.92			165432.37+714513.1
16545+7145	TDS 842		2016	4	25	1.6	10.31	11.92			165432.37+714513.1

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WDS 16545+7145 TDS 842 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16545+7145 TDS 842 : MEASURES

No records found.

WDS 16545+7145 : VIRTUAL EYEPIECE

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WDS 16545+7145 : ALADIN DSS IMAGE @ 16^h 54^m 32.37^s +71° 45' 13.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16545+7145 TDS 842 : 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		16545+7145	TDS 842		25	1.6
Show		16529+7203	NSN 685		138	10.1	20
Show		16473+7208	CRB 196		189	50.2	41
Show		16588+7106	STF2126		133	23.0	45
Show		16446+7145	MLR 182	Aa,Ab	94	0.3	47
Show		16446+7145	UC 3219	AB	113	27.7	47
Show		16428+7122	HDS2373		181	0.2	61
Show		17060+7103	AG 352		238	1.5	70
Show		16520+7034	TOK 309		111	455.0	73
Show		16524+7030	LDS1857		1	33.3	76
Show		17086+7100	TOB 136		261	21.8	81
Show		17058+7034	LDS1860		78	101.2	90
Show		16573+7314	CRB 198		358	11.8	90
Show		17048+7306	CVR 195		65	78.5	94
Show		17126+7108	PRZ 13		138	25.1	94
Show		17138+7225	TDT 271		238	0.7	98
Show		16391+7256	LDS1853		316	7.2	100
Show		16363+7247	TDS9998		336	0.5	104
Show		17010+7327	UC 3275	AB	57	44.7	107
Show		17010+7327	UC 3275	AC	76	1.3	107
Show		16384+7020	STF2099		215	9.8	116
Show		16407+7323	MLR 197	AB	74	0.5	117
Show		16407+7323	MLR 197	AC	247	1.9	117
Show		16536+7344	UR 10		9	46.3	120
Show		16542+6944	LDS1858		188	3.7	123
Show		17036+6948	A 1146		104	0.3	126
Show		16592+7349	TDT 166		257	0.5	126
Show		16349+7019	LDS1848		207	1.7	129
Show		16584+6935	WRH 25	AB	174	0.2	132
Show		16584+6935	WRH 25	AC	342	1.3	132
Show		17013+6937	HEI 245		297	1.4	133
Show		17013+6935	HEI 244		282	2.6	135
Show		16420+7353	MLR 198		51	0.2	140
Show		17011+6929	SKF2731	AB	156	19.2	140
Show		16366+6948	BAZ 7	Da,Db	283	0.4	145
Show		16356+7343	LDS1850		101	234.1	146
Show		17132+7344	LDS5853		176	644.7	146
Show		16366+6948	BU 953	AB	90	0.5	148
Show		16366+6948	BU 953	AB,C	148	75.2	148
Show		16366+6948	BU 953	AB,D	45	146.7	148
Show		16366+6948	ABH 86	AB,E	340	77.5	148
Show		16491+7412	TDT 101		141	0.7	150
Show		16563+7417	A 1144		307	5.3	152
Show		17089+6925	STF2129	AB	206	9.8	158
Show		17089+6925	UC 3298	AC	137	27.6	158
Show		17113+6930	STF2151		350	2.5	159
Show		17071+6915	WFC 187		225	3.6	163
Show		16479+6906	LDS1855		6	6.6	165
Show		16461+6903	TDT 76		227	1.0	168
Show		16376+6919	CBL 160		125	99.2	169
Show		16493+6855	MLR 184		43	7.0	172

WDS 16545+7145 : COMPONENTS

	A
B	pa=8.3° sep=1.45"

16545+7145 A

Componente originario normalizzato	AB		Coord arcsec 2000	165432.37+714513.1		Mag	10.31		PmRA	-1.00
PmDE	16.0		Tycho2	4423-01979-1

Tycho2

Tycho2	4423-01979-1	Pflag	P	RAmdeg	253.63489093	DEmdeg	71.75364764
PmRA	-1.4	PmDE	15.7	E RAmdeg	24	E DEmdeg	22
E pmRA	2.5	E pmDE	2.5	EpRAm	1990.77	EpDEm	1990.85
Num	3	Q RAmdeg	1.5	Q DEmdeg	2.2	Q pmRA	1.4
Q pmDE	2.2	BTmag	10.695	E BTmag	0.039	VTmag	10.310
E VTmag	0.036	Prox	14	TYC	T	HIP
CCDM		RAdeg	253.63483778	DEdeg	71.75358056	EpRA 1990	1.80
EpDE 1990	1.68	E RAdeg	23.6	E DEdeg	22.1	Posflg	D
Corr	0.0

16545+7145 B

Componente originario normalizzato	AB		Coord arcsec 2000	165432.41+714514.5		Mag	11.92		PmRA	-1.00
PmDE	16.0		Tycho2	4423-01979-2		Calc delta mag	1.61		Calc coord	yes

Tycho2

Tycho2	4423-01979-2	Pflag	P	RAmdeg	253.63489093	DEmdeg	71.75364764
PmRA	-1.4	PmDE	15.7	E RAmdeg	24	E DEmdeg	22
E pmRA	2.5	E pmDE	2.5	EpRAm	1990.77	EpDEm	1990.85
Num	3	Q RAmdeg	1.5	Q DEmdeg	2.2	Q pmRA	1.4
Q pmDE	2.2	BTmag	12.496	E BTmag	0.194	VTmag	11.916
E VTmag	0.161	Prox	14	TYC		HIP
CCDM		RAdeg	253.63549417	DEdeg	71.75390194	EpRA 1990	1.79
EpDE 1990	1.67	E RAdeg	168.1	E DEdeg	161.1	Posflg	D
Corr	0.0