18278-2949 RAG 2 (HD 169830)

18^h 27^m 49.48^s -29° 49' 00.7" P.A. 265.00 sep 11.1 mag 4.69,9.35 Sp F9V dist. 36.6 pc (119.39 l.y.)

Coord 2000	18278-2949	Discov num	RAG 2	Comp		Coord arcsec 2000	18 27 49.48 -29 49 00.7
Date first	1998	Date last	2002	Obs	5
Pa first	265	Pa last	265.3	P.A. Now (θ)	265.3°
Sep first	11.0	Sep last	11.08	Sep. Now (ρ)	11.08"
Mag pri	4.69	Mag sec	9.35	delta mag (ΔM)	4.66	Spectral class	F9V (yellow-white)
Pri motion ra	-001	Sec motion ra
Pri motion dec	+015	Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 169830	Constellation	Sagittarius	SAO	186838	HIP	90485
Tycho2	6869-01277-1	Gaia DR2	4048037707717866880	HD	169830	HR	6907
CD	CD-2914965	CP	CP-29 5565	Distance	36.6	Distance ly	119.39

WDS 18278-2949 RAG 2 (HD 169830) : NOTES

discov_num	notes	refcode
GC 25175	Combined solution, based on reduction of Hipparcos intermediate
	astrometric data together with spectroscopic elements from the Geneva
	Extrasolar Planet Search Programs home page.	HaI2001
RAG 2	Primary is exoplanet host, P=225.6d	Tok2014d

REFERENCES

refcode	metd	author	reference
HaI2001	-	Han, I., Black, D., & Gatewood, G.	2001ApJ...548L..57H
HaI2001		ApJ 548, L57, 2001
Tok2014d	E2 -	Tokovinin, A.	2014AJ....147...86T
Tok2014d		AJ 147, 86, 2014

DISCOVERER

discov	author
HAI	Han, I., Black, D., & Gatewood, G.
RAG	Raghavan, D., Henry, T.J., Mason, B.D., Subasavage, J.P., Jao, W.-C., Beaulieu,
RAG	T.D., & Hambly, N.C.
RAG	Raghavan, D., McAlister, H.A., Torres, G., Latham, D.W., Mason, B.D., Boyajian,
RAG	T.S., Baines, E.K., Williams, S.J. et al.
RAG	Raghavan, D., McAlister, H.A., Henry, T.J., Latham, D.W., Marcy, G.W.,
RAG	Mason, B.D., Gies, D.R., White, R.J. & ten Brummelaar, T.A.
TOK	Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK	Martinez, M., & Mondaca, E.
TOK	Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK	Tokovinin, A. & Briceno, C.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
18278-2949	RAG 2		2000	2	270	11.0	5.91		F9V	-2914965	D	182749.48-294900.7
18278-2949	RAG 2		2002	5	265	11.1	5.96		F9V	-2914965	N	182749.48-294900.7

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

WDS 18278-2949 RAG 2 (HD 169830) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18278-2949 RAG 2 (HD 169830) : MEASURES

No records found.

WDS 18278-2949 (HD 169830) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 18278-2949 (HD 169830) : ALADIN DSS IMAGE @ 18^h 27^m 49.48^s -29° 49' 00.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18278-2949 RAG 2 (HD 169830) : 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	pa	sep	dist(')
Show		18278-2949	RAG 2		265	11.1	0
Show		18291-2955	HDS2617		25	0.8	18
Show		18274-3007	TOK 933		213	0.1	20
Show		18271-2930	B 2447		222	8.8	21
Show		18263-3008	BRT3071		323	3.5	28
Show		18287-3017	BRT3072		162	5.2	31
Show		18281-2917	AAQ 3		74	3.5	33
Show		18292-2921	B 2451		244	9.3	34
Show		18256-3013	SEE 352		70	3.4	38
Show		18267-3024	TOK 421		288	0.1	38
Show		18292-2916	B 2450		347	14.0	38
Show		18255-3015	B 939		190	5.0	40
Show		18245-2947	B 2446	AB	223	9.3	44
Show		18245-2947	BIL 7	Aa,Ab	0	0.1	44
Show		18244-2932	RSS 31		169	44.7	48
Show		18279-2848	RST2056		27	2.6	61
Show		18244-3041	B 1359		74	3.3	69
Show		18305-2848	HDS2624		230	0.1	71
Show		18233-3029	TDT 828		299	1.0	72
Show		18293-3100	LEP 122		200	7.3	74
Show		18334-3004	I 1370		187	3.8	74
Show		18265-3105	RST2053		319	0.7	78
Show		18244-3054	BRT3070		249	4.7	79
Show		18329-2906	SKF2130		134	3.0	79
Show		18317-3055	HDS2628		353	1.1	83
Show		18241-3058	BRT3069		130	5.4	85
Show		18219-2913	RST2048		233	0.3	86
Show	Kaus Media	18210-2950	SEE 350	AB	276	31.7	89
Show	Kaus Media	18210-2950	SEE 350	AC	168	43.6	89
Show	Kaus Media	18210-2950	SEE 350	AD	225	59.9	89
Show		18319-2831	RST2062		3	0.8	95
Show		18291-3123	RST2057		343	0.7	96
Show		18226-3100	SKF2023		243	5.2	99
Show		18328-3103	B 1366		313	1.2	99
Show		18239-3118	BRT3068		134	2.7	103
Show		18276-3132	B 2448		329	6.0	103
Show		18232-2825	HDS2601		221	0.2	104
Show		18352-3030	RST2066		312	0.9	106
Show		18335-2832	BRT3073		281	3.9	108
Show		18334-3111	JSP 940		24	2.0	109
Show		18296-2803	SKF2128		291	4.8	109
Show		18206-2856	BRT3066		167	2.7	109
Show		18210-2842	B 2864	BC	313	1.7	112
Show		18360-3023	SKF2024		74	22.4	112
Show		18210-2842	B 2864	A,BC	166	38.6	112
Show		18192-2941	B 2444		354	6.9	113
Show		18193-3011	BRT3065		322	3.9	114
Show		18196-2914	I 1022		242	0.8	114
Show		18332-3121	FIN 7		136	3.4	116
Show		18348-2837	B 395		278	1.3	116
Show		18344-3109	RST2065	AB	3	1.1	118

WDS 18278-2949 : COMPONENTS

	A
B	pa=265.3° sep=11.08"

18278-2949 A

Name	HD 169830		Coord arcsec 2000	182749.48-294900.7		Mag	4.69		Spectral class	F9V (yellow-white)
PmRA	-1.00		PmDE	15.0

18278-2949 B

Coord arcsec 2000

182748.63-294901.6

Mag

9.35

Delta magnitude

4.66

Coordinate calculated

yes