18025-3101 TDT 648 (HD 318797)

18^h 02^m 30.82^s -31° 00' 51.7" P.A. 258.00 sep 0.5 mag 10.79,10.90

Coord 2000	18025-3101	Discov num	TDT 648	Comp		Coord arcsec 2000	18 02 30.82 -31 00 51.7
Date first	1991	Date last	1991	Obs	1
Pa first	258	Pa last	258.3	P.A. Now (θ)	258.3°
Sep first	0.5	Sep last	0.53	Sep. Now (ρ)	0.53"
Mag pri	10.79	Mag sec	10.90	delta mag (ΔM)	0.11	Spectral class
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	-018	Sec motion dec	-018
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 318797		Constellation	Sagittarius		Tycho2	7391-02503-1		Gaia DR2	4043937285258830848
HD	318797

WDS 18025-3101 TDT 648 (HD 318797) : 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
18025-3101	TDT 648		1991	1	258	0.5	10.79	10.90			180230.82-310051.7

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WDS 18025-3101 TDT 648 (HD 318797) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18025-3101 TDT 648 (HD 318797) : MEASURES

No records found.

WDS 18025-3101 (HD 318797) : VIRTUAL EYEPIECE

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WDS 18025-3101 (HD 318797) : ALADIN DSS IMAGE @ 18^h 02^m 30.82^s -31° 00' 51.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18025-3101 TDT 648 (HD 318797) : 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		18025-3101	TDT 648		258	0.5
Show		18033-3112	RSS 469		291	10.5	15
Show		18048-3039	KPP2157		168	17.6	37
Show		17596-3056	TDS 895		260	1.5	38
Show		18021-3020	KPP2760		238	22.9	41
Show		17591-3107	TDT 611		95	0.9	45
Show		18059-3040	RSS 471		138	8.1	49
Show		18006-3018	NSN 134		335	47.3	50
Show		18020-3150	RST2021		218	0.9	50
Show		18013-3010	JSP 764		327	4.6	54
Show		18007-3013	RST2017		133	0.3	54
Show		17584-3039	RST2010		277	1.4	57
Show		18002-3011	TDT 625		81	0.5	58
Show		18054-3146	B 1349	AB	138	1.2	59
Show		18054-3146	B 1349	AC	294	5.8	59
Show		18060-3018	BRT3059		65	4.2	63
Show		17591-3015	PZ 6	AB	104	5.9	64
Show		17591-3015	PZ 6	AC	240	26.1	64
Show		17587-3018	DAW 74		104	1.3	66
Show		18080-3055	SKF1058		216	3.3	71
Show		17579-3143	RST2009		341	0.8	73
Show		17581-3147	TDT 601		96	0.5	74
Show		18044-3211	PRO 196		222	4.5	74
Show		18051-2955	RST2025		194	0.3	75
Show		18085-3113	PRO 197		283	7.9	77
Show		18082-3127	BRT3060		55	4.0	78
Show		17573-3021	JSP 756		68	0.6	79
Show		18047-3214	JSP 767		316	0.5	79
Show		18044-2946	SHN 226		-1	0.5	79
Show		18082-3032	SKF2063		53	7.6	80
Show		18062-3206	RST2029		110	0.4	81
Show		17568-3135	PRO 194		34	3.7	81
Show		18074-3011	B 1350		216	0.1	81
Show		17566-3136	PRO 193		268	3.1	84
Show		18089-3115	B 2855		243	6.7	84
Show		18086-3032	DAM1036		249	7.1	84
Show		17562-3131	PRO 192		34	8.5	87
Show		17559-3117	PRO 191		178	11.7	87
Show		18038-3227	RST2022		33	0.3	88
Show		17557-3034	I 1011		153	1.3	92
Show		17556-3041	RSS 465		252	11.9	92
Show		18050-2935	BLM 5	Aa,Ab	210	0.2	92
Show		18050-2935	SEE 346	AB	232	34.0	92
Show		18050-2935	SEE 346	AC	106	41.4	92
Show		18050-2935	EVS 33	AD	341	6.3	92
Show		18050-2935	EVS 33	AE	46	19.0	92
Show		18004-3232	TDT 628		102	0.8	95
Show		18097-3133	JSP 768		270	2.6	98
Show		18067-3223	RST2030		161	7.1	99
Show		18054-2930	RST2026		315	4.8	99
Show		18101-3044	BU 245		345	4.1	100

WDS 18025-3101 : COMPONENTS

	A
B	pa=256.4° sep=0.46"

18025-3101 A

Componente originario normalizzato	AB		Name	HD 318797		Coord arcsec 2000	180230.82-310051.7		Mag	10.79
PmRA	4.00		PmDE	-18.0		Tycho2	7391-02503-1		HD	318797

Tycho2

Tycho2	7391-02503-1	Pflag		RAmdeg	270.62832350	DEmdeg	-31.01437611
PmRA	4.4	PmDE	-17.9	E RAmdeg	23	E DEmdeg	33
E pmRA	2.4	E pmDE	2.3	EpRAm	1990.76	EpDEm	1989.21
Num	3	Q RAmdeg	1.4	Q DEmdeg	1.8	Q pmRA	1.5
Q pmDE	1.7	BTmag	10.820	E BTmag	0.047	VTmag	10.244
E VTmag	0.042	Prox	999	TYC	T	HIP
CCDM		RAdeg	270.62831222	DEdeg	-31.01433583	EpRA 1990	1.89
EpDE 1990	1.92	E RAdeg	23.0	E DEdeg	34.0	Posflg
Corr	-0.1

18025-3101 B

Componente originario normalizzato	AB		Coord arcsec 2000	180230.79-310051.8		Mag	10.9		PmRA	4.00
PmDE	-18.0		Calc delta mag	0.11		Calc coord	yes