18374-4551 DON 912 (HD 171501)

18^h 37^m 25.11^s -45° 50' 57.0" P.A. 284.00 sep 0.4 mag 10.45,10.31 Sp G5V

Coord 2000	18374-4551	Discov num	DON 912	Comp		Coord arcsec 2000	18 37 25.11 -45 50 57.0
Date first	1931	Date last	1991	Obs	3
Pa first	264	Pa last	283.6	P.A. Now (θ)	283.6°
Sep first	0.4	Sep last	0.38	Sep. Now (ρ)	0.38"
Mag pri	10.45	Mag sec	10.31	delta mag (ΔM)	0.14	Spectral class	G5V (yellow)
Pri motion ra	+028	Sec motion ra	+028
Pri motion dec	-055	Sec motion dec	-055
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 171501		Constellation	Telescopium		Tycho2	8360-02009-1		Gaia DR2	6708763556580446848
HD	171501

WDS 18374-4551 DON 912 (HD 171501) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18374-4551	DON 912		1991	3	284	0.4	10.45	10.31	G5V		183725.11-455057.0

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WDS 18374-4551 DON 912 (HD 171501) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18374-4551 DON 912 (HD 171501) : MEASURES

No records found.

WDS 18374-4551 (HD 171501) : VIRTUAL EYEPIECE

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WDS 18374-4551 (HD 171501) : ALADIN DSS IMAGE @ 18^h 37^m 25.11^s -45° 50' 57.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18374-4551 DON 912 (HD 171501) : 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		18374-4551	DON 912		284	0.4
Show		18395-4545	HU 1527		313	5.0	23
Show		18351-4606	RST 992		118	0.3	29
Show		18345-4542	I 1371		353	2.0	32
Show		18354-4522	UC 3621		63	50.4	37
Show		18396-4520	UC 3632		138	46.6	39
Show		18366-4630	UC 3626		87	31.5	41
Show		18367-4500	CPO 594		234	5.0	51
Show		18424-4603	RST 998		332	1.1	53
Show		18417-4520	TDT1003		112	7.8	55
Show		18320-4618	RSS 484		173	19.2	63
Show		18366-4444	TDT 955		231	0.5	68
Show		18375-4659	LDS 648		270	11.1	68
Show		18381-4659	SKF1422	AB	175	16.6	68
Show		18381-4659	I 1375	Ba,Bb	312	0.8	69
Show		18392-4657	I 1376		3	1.7	69
Show		18437-4611	B 1369		71	4.2	69
Show		18308-4542	UC 3599		295	8.0	70
Show		18312-4523	KPP4110		143	1.5	71
Show		18348-4658	UC 3616		95	63.6	73
Show		18374-4704	HJ 5049		246	19.3	74
Show		18397-4704	CPO 596		181	11.8	77
Show		18417-4448	TDT1002		103	0.9	78
Show		18329-4658	UC 3606		66	20.1	83
Show		18345-4433	BRT1065		155	5.3	85
Show		18340-4708	UC 3612		155	151.5	85
Show		18359-4426	HDS2638		21	7.3	87
Show		18449-4630	SKF1150		83	28.0	88
Show		18294-4619	CPO 80		38	1.7	88
Show		18290-4541	SKF1084		251	13.9	89
Show		18414-4433	CBL 172		53	36.3	90
Show		18364-4419	TSN 50		346	174.9	93
Show		18387-4419	BRT1072		80	5.3	94
Show		18296-4643	I 1367		174	0.4	96
Show		18462-4520	DON 921		129	1.1	97
Show		18304-4448	UC 3597		132	75.2	98
Show		18444-4657	HU 1528		243	3.4	99
Show		18437-4705	RST 999		257	3.6	99
Show		18325-4425	DON 908		229	2.3	101
Show		18310-4434	CPO 589		293	8.3	103
Show		18375-4736	UC 3627		151	52.7	105
Show		18339-4732	UC 3610		157	41.8	108
Show		18332-4413	CPO9269		317	4.0	108
Show		18270-4558	WFC 207		41	115.9	110
Show		18297-4438	TOI1118		132	0.2	110
Show		18362-4402	BRT1068		141	1.8	110
Show		18428-4416	LDS 649		240	130.4	111
Show		18278-4507	BRT1057		44	7.2	112
Show		18452-4709	TDT1035		209	0.4	112
Show		18416-4737	UC 3638		32	50.2	115
Show		18349-4746	UC 3617		138	36.6	119

WDS 18374-4551 : COMPONENTS

	A
B	pa=289.2° sep=0.27"

18374-4551 A

Componente originario normalizzato	AB		Name	HD 171501		Coord arcsec 2000	183725.11-455057.0		Mag	10.45
Spectral class	G5V (yellow)		PmRA	28.00		PmDE	-55.0

18374-4551 B

Componente originario normalizzato	AB	Coord arcsec 2000	183725.09-455056.9	Mag	10.31	PmRA	28.00
PmDE	-55.0	Tycho2	8360-02009-1	HD	171501	Calc delta mag	0.14
Calc coord	yes

Tycho2

Tycho2	8360-02009-1	Pflag		RAmdeg	279.35454580	DEmdeg	-45.84914330
PmRA	28.0	PmDE	-55.4	E RAmdeg	16	E DEmdeg	20
E pmRA	1.2	E pmDE	1.2	EpRAm	1987.13	EpDEm	1984.45
Num	5	Q RAmdeg	1.4	Q DEmdeg	0.9	Q pmRA	1.5
Q pmDE	0.9	BTmag	10.497	E BTmag	0.037	VTmag	9.700
E VTmag	0.028	Prox	999	TYC	T	HIP
CCDM		RAdeg	279.35445472	DEdeg	-45.84901639	EpRA 1990	1.79
EpDE 1990	1.70	E RAdeg	17.3	E DEdeg	21.8	Posflg
Corr	-0.1