19167-4553 RST 4036 (HD 179930)

19^h 16^m 42.89^s -45° 53' 21.0" P.A. 89.00 sep 0.2 mag 10.20,10.20 Sp K5/M0V dist. 16.1 pc (52.52 l.y.)

Coord 2000	19167-4553	Discov num	RST4036	Comp		Coord arcsec 2000	19 16 42.89 -45 53 21.0
Date first	1929	Date last	2023	Obs	29
Pa first	168	Pa last	88.9	P.A. Now (θ)	19.6°
Sep first	0.3	Sep last	0.169	Sep. Now (ρ)	0.201"
Mag pri	10.20	Mag sec	10.20	delta mag (ΔM)	0	Spectral class	K5/M0V (yellow-orange)
Pri motion ra	+220	Sec motion ra
Pri motion dec	-421	Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 179930	Constellation	Telescopium	HIP	94739	Tycho2	8375-01985-1
HD	179930	CD	CD-4612902	CP	CP-46 9672	Distance	16.1
Distance ly	52.52

ORBITAL ELEMENTS

Period (P)	7.68y	Periastron (T)	1995.057y	Semi-major axis (a)	0.244a
Eccentricity (e)	0.263	Inclination (i)	124.7°	Longitude of periastron (ω)	241°
Node (Ω)	200.2°	Notes	n	Reference	USN2019
Equinox	2000	Last observation	2019	Grade	2	(1=Definitive, 9=Indet.)

label	theta	rho
2000	104.2	0.167
2001	54.7	0.194
2002	18.1	0.199
2003	302.9	0.106
2004	218.5	0.206
2005	192.9	0.271
2006	171.0	0.248
2007	138.4	0.189
2008	86.7	0.170
2009	42.4	0.206
2010	3.9	0.173
2011	261.4	0.119
2012	208.5	0.238
2013	186.2	0.271
2014	162.4	0.230
2015	123.4	0.174
2016	70.5	0.179
2017	31.1	0.209
2018	343.2	0.136
2019	235.2	0.159
2020	200.7	0.259
2021	179.4	0.264
2022	152.3	0.210
2023	106.4	0.167
2024	56.3	0.193
2025	19.6	0.201
2026	308.3	0.107
2027	220.0	0.201
2028	193.7	0.270
2029	172.0	0.250
2030	140.1	0.191
2031	88.8	0.169
2032	43.9	0.204
2033	6.0	0.177
2034	265.9	0.115
2035	209.6	0.235
2036	187.0	0.272
2037	163.6	0.233
2038	125.4	0.176
2039	72.4	0.178
2040	32.5	0.209
2041	346.4	0.141
2042	237.7	0.154
2043	201.6	0.257
2044	180.3	0.265
2045	153.7	0.213
2046	108.6	0.168
2047	58.0	0.191
2048	21.1	0.203
2049	313.6	0.109
2050	221.5	0.196

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 19167-4553 RST 4036 (HD 179930) : NOTES

discov_num	notes	refcode
RST4036	Strange (but useable) reference point for the Transit Data due to
	reversed signs for proper motions in the Hipparcos Input Catalog.	Sod1999
	Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
	masses of 1.24 +/- 0.20, 1.14, and 0.60 Msun, respectively.	Mlk2012

REFERENCES

refcode	metd	author	reference
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012
Sod1999	orb -	Soderhjelm, S.	1999A&A...341..121S
Sod1999		A&A 341, 121, 1999
USN2019	orb -	Josties, J. & Mason, B.D.	2019IAUDS.199....1M
USN2019		Inf. Circ. 199, 1, 2019

DISCOVERER

discov	author
MLK	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.
USN	Franz, O.G., Gossner, J.L., Josties, F.J., Lindenblad, I.W., Mikesell, A.H.,
USN	Pub. USNO 18, Pt.1, 1963
USN	Kallarakal, V.V., Lindenblad, I.W., Josties, F.J., Riddle, R.K., Miranian, M.,
USN	Mintz, B.F., & Klugh, A.P.
USN	Harrington, R.S., Dahn, C.C., Behall, A.L., Priser, J.B., Christy, J.W., Riepe,
USN	B.Y., Ables, H.D., Guetter, H.H., et al.
USN	Dahn, C.C., Harrington, R., Riepe, B.Y., Christy, J.W., Guetter, H.H.,
USN	Behall, A.L., Walker, R.L., Hewitt, A.V., & Ables, H.D.
USN	Dahn, C.C., Harrington, R.S., Riepe, B.Y., Christy, J.W., Guetter, H.H.,
USN	Kallarakal, V.V., Miranian, M., Walker, R.L., et al.
USN	Harrington, R.S., Kallarakal, V.V., Christy, J.W., Dahn, C.C., Riepe, B.Y.,
USN	Guetter, H.H., Ables, H.D., Hewitt, A.V., et al.
USN	Dahn, C.C., Harrington, R.S., Kallarakal, V.V., Guetter, H.H., Luginbuhl, C.B.,
USN	Riepe, B.Y., Walker, R.L., Pier, J.R., et al.
USN	Harrington, R.S., Dahn, C.C., Kallarakal, V.V., Guetter, H.H., Riepe, B.Y.,
USN	Walker, R.L., Pier, J.R., Vrba, F.J., et al.
USN	Monet, D., Bird A., Canzian B., Dahn C., Guetter H., Harris H., Henden A.,
USN	Levine S., Luginbuhl C., Monet A.K.B., Rhodes A., Riepe B., et al.
USN	Harris, H.C., Dahn, C.C., Dupuy, T.J., Canzian, B., Guetter, H.H., Hartkopf, W.I.,
USN	Ireland, M.J., Leggett, S.K., Levine, S.E., Liu, M.C., Luginbuhl, C.B.,
USN	Monet, A.K.B., Stone, R.C., Subasavage, J.P., Tilleman, T., & Walker, R.L.
USN	Dahn, C.C., Harris, H.C., Subasavage, J.P., Ables, H.D., Canzian, B.J., Guetter,
USN	H.H., Harris, F.H., Henden, A.H., Leggett, S.K., Levine, S.E., Luginbuhl, C.B.,
USN	Monet, A.B., Monet, D.G., Munn, J.A., Pier, J.R., Stone, R.C., Vrba, F.J., Walker,
USN	R.L. & Tillerman, T.M.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
19167-4553	RST4036		1991	19	337	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.74-455318.0
19167-4553	RST4036		2014	21	130	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.74-455318.0
19167-4553	RST4036		2015	22	94	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.74-455318.0
19167-4553	RST4036		2017	23	15	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.89-455321.0
19167-4553	RST4036		2018	24	298	0.1	10.20	10.20	K5/M0V	-4612902	NO	191642.89-455321.0
19167-4553	RST4036		2019	25	218	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.89-455321.0
19167-4553	RST4036		2020	26	183	0.3	10.20	10.20	K5/M0V	-4612902	NO	191642.89-455321.0
19167-4553	RST4036		2021	27	166	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.89-455321.0
19167-4553	RST4036		2022	28	135	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.89-455321.0
19167-4553	RST4036		2023	29	89	0.2	10.20	10.20	K5/M0V	-4612902	NO	191642.89-455321.0

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

WDS 19167-4553 RST 4036 (HD 179930) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19167-4553 RST 4036 (HD 179930) : MEASURES

No records found.

WDS 19167-4553 (HD 179930) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 19167-4553 (HD 179930) : ALADIN DSS IMAGE @ 19^h 16^m 42.89^s -45° 53' 21.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19167-4553 RST 4036 (HD 179930) : 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		19167-4553	RST4036		89	0.2	0
Show		19179-4547	TDT1359		248	0.5	15
Show		19164-4528	HDS2726		205	0.4	26
Show		19174-4525	B 967		332	13.0	29
Show		19203-4551	I 1398		11	0.2	38
Show		19158-4516	KPP1371		98	10.3	39
Show		19203-4533	UC 3890		266	43.5	43
Show		19178-4512	SKF1156		173	81.2	43
Show		19164-4638	TDT1337		8	1.9	45
Show		19124-4528	UC 3845		318	44.0	52
Show		19216-4545	TDS 984		305	0.8	52
Show		19141-4647	UC 3857		143	11.4	61
Show		19220-4522	SKF1089		197	14.7	64
Show		19114-4520	UC 3839		87	19.8	66
Show		19108-4635	BRT1091		1	3.3	75
Show		19111-4506	UC 3835		256	89.2	76
Show		19240-4557	I 1400	CD	220	2.4	77
Show		19240-4557	I 116	AB	24	2.7	77
Show		19240-4557	I 116	AC	190	15.9	77
Show		19094-4552	TDT1258		60	2.5	77
Show		19219-4459	SKF1088		255	5.0	78
Show		19164-4720	UC 3872		326	11.9	87
Show		19091-4630	RST1023		134	0.3	88
Show		19252-4555	UC 3927		2	44.1	89
Show		19139-4722	HJ 5092		351	18.0	93
Show		19117-4711	HDS2719		151	14.1	94
Show		19119-4434	UC 3841		317	52.1	95
Show		19074-4533	UC 3808		130	50.0	101
Show		19261-4526	UC 3933		181	70.1	103
Show	Arkab Prior	19226-4428	DUN 226		76	28.3	107
Show		19134-4412	SKF1154		336	32.5	108
Show		19072-4512	KPP3111		294	5.9	108
Show		19224-4414	UC 3909		230	83.7	117
Show		19169-4348	GKM9420	Aa,Ab	91	0.1	126
Show		19056-4505	BRT1087		306	4.4	127
Show		19215-4357	TDT1398		229	0.6	128
Show		19289-4608	BRT1097		87	3.9	128
Show		19051-4508	SKF1152		69	75.9	131
Show		19053-4501	GKM9412	Aa,Ab	60	0.1	131
Show		19292-4609	UC 3950		239	19.5	132
Show		19296-4539	UC 3952		298	8.5	136
Show		19268-4722	TDT1465		331	2.4	137
Show		19040-4520	CPO 606		117	4.4	137
Show		19288-4654	TDT1486	AB	228	0.4	140
Show		19288-4654	SKF1157	AC	91	24.4	140
Show		19283-4709	TDT1478		186	0.4	142
Show		19293-4651	RSS 528		100	17.5	143
Show		19130-4336	I 1394		190	0.4	143
Show		19031-4543	R 317	AB	287	1.7	143
Show		19031-4543	HJ 5078	AC	212	18.6	143
Show		19031-4543	B 2873	CD	268	6.2	144

WDS 19167-4553 : COMPONENTS

	A
B	pa=88.9° sep=0.17"

19167-4553 A

Name	HD 179930		Coord arcsec 2000	191642.89-455321.0		Mag	10.2		Spectral class	K5/M0V (yellow-orange)
PmRA	220.00		PmDE	-421.0

CCDM

Ccdm	19167-4553	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.94	DDEs	-23.0
R dRAs	31	Year		Theta		Rho
Obs	2	Vmag	10.3	Sp	K5	PmNote	*
PmRA	212	PmDE	-426	Dm number	-4612902	Cat1	CD
Name2		Cat2		HD	179930	M HD
ADS BDS		M ADS BDS		N IDS		IDS	19094S4603A
HIC	94739

19167-4553 B

Coord arcsec 2000

191642.91-455321.0

Mag

10.2

Coordinate calculated

yes

CCDM

Ccdm	19167-4553	RComp		Comp	B	Note1	*
Note2		Discov num	RST4036	DRAs		DDEs
R dRAs		Year	1949	Theta	043	Rho	0.2
Obs	5	Vmag	10.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19094S4603B
HIC	94739